{"title":"SVBONY","description":"\u003cp\u003eSVBONY builds telescopes, astronomy cameras, filters and accessories for visual observers and astrophotographers. The range runs from the MK series Maksutovs and SV503 ED refractors to the SV550 APO triplets and the SV535, SV555 and SV580 astrographs, with cooled and planetary cameras, narrowband and broadband filters, guide scopes, off-axis guiders, dew heaters and power control to match.\u003c\/p\u003e\n\u003cp\u003eBrowse by family below. If you're not sure which SVBONY part fits your setup, ask us before you order and we'll confirm it.\u003c\/p\u003e","products":[{"product_id":"sv555-astrophotography-telescope-apo-54mm-f-4-5-astrograph","title":"SV555 Astrophotography Telescope APO 54mm f\/4.5 Astrograph","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNew Upgrade:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSurface Finish Upgrade\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWeight Reduction 90g+\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLens Hood from 97mm to 93mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFocus Travel 2.67mm to 3.22mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMore clear image; APO astro camera lens consists of a 3-group 5-piece petzval objective lens structure; which includes a set of triplet lens; bringing you a clearer image;\u003c\/li\u003e\n\u003cli\u003e44mm full-frame; This telephoto lens can avoid aperture blocking; whether mirrorless camera; SLR camera; or deep-sky camera; you can photograph clear image without trouble;\u003c\/li\u003e\n\u003cli\u003eMounting kit available; SV555 astrograph is equipped with a bracket and belt for EAF; you can get an accurate angle to photograph quickly and conveniently;\u003c\/li\u003e\n\u003cli\u003eSingle-speed focus; the telescope camera lens supports fine adjustment; enabling you to adjust the photography angle accurately for fast shooting;\u003c\/li\u003e\n\u003cli\u003eVarious aperture range; the astronomical photography lens can adjust the aperture from F22 to F4.5; meeting a variety of use needs; the included graded adjustment ring and scale also make it convenient for photography by preventing accidental touching;\u003c\/li\u003e\n\u003cli\u003eCompatibility; SV555 telescope camera lens features an M48x0.75 filter thread to install the 2\" filter; additionally; the V-style \u0026amp; Arca-Swiss quick-release system is compatible; flexible and easy to use; enhancing the efficiency;\u003c\/li\u003e\n\u003cli\u003eConvenient to use; the APO astro camera lens is featured with a handle; bracker; and dovetail plate; making it more convenient to use the lens when shooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGet SV555 Full Review by\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=K0xrhftRYvU\" target=\"_blank\" rel=\"noopener\"\u003e@Cuiv, The Lazy Geek\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003e \u003c\/strong\u003e\u003cstrong\u003e   \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan\u003eSV555 New Upgrade, New Experience\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cimg title=\"svbony sv555 artrograph telescope.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20250326\/6387860494034395581518285.jpg\" alt=\"svbony sv555 artrograph telescope.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe' ve updated the \u003cstrong\u003esandblasting process from a 320-grit to a 280-grit finish\u003c\/strong\u003e.This gives the new version a more refined, matte texture that not only looks better but also resists fingerprints. You'Il see a clear dlifference in the side-by-side comparison we' re showing here. Next, we've managed to\u003cstrong\u003e reduce the weight of the tube by over 90 grams\u003c\/strong\u003e. This makes the new version \u003cstrong\u003elighter \u003c\/strong\u003eand more \u003cstrong\u003eportable\u003c\/strong\u003e. The third improvement is in the reduced lens hood. The \u003cstrong\u003eouter diameter of the lens hood \u003c\/strong\u003eis\u003cstrong\u003e reduced from 97mm to 93mm \u003c\/strong\u003eand\u003cstrong\u003e the wall thickness from the 3mm to 2.5mm\u003c\/strong\u003e. This makes the hood more compact and lightweight while maintaining its functionality. Finally, we’ve increased the \u003cstrong\u003efocus travel from 2.67mm to 3.22mm\u003c\/strong\u003e. This provides a smoother and more precise focusing experience, especially for astrophotography. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"6386510247663317613099217.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241114\/6386717316224383064745589.jpg\" alt=\"6386510247663317613099217.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSvbony SV555 professional astronomical photography telescope APO is designed for deep-sky photography. Petzval objective lens structure includes a triplet lens and 2-ED glasses offering a clear image without aperture blocking. 44mm full frame has a wide field of view and provides a clearer image. EAF kit and fine adjustment make it convenient to shoot. F22 to F4.5 variable aperture meets different use needs. For photography users, SV555 will be a better choice to use.  It is going to be an ace travel lens for your journey\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"12.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510249477841506783642.jpg\" alt=\"12.jpg\"\u003e\u003c\/p\u003e\n\u003ch2\u003e \u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eTest Report Interferogram\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241018\/6386486834241502236512928.webp\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"14.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510251659207792553982.jpg\" alt=\"14.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSV555 astrophotography telescope camera lens can adjust the aperture from F22 to F4.5; professional astronomical photography lens includes a graded adjustment ring and scale; keeping the parameters the same without changing due to accidental touching; increasing the accuracy of shooting, meeting a variety of use needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"16.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510253006331907116268.jpg\" alt=\"16.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe SV555 ED APO astro camera lens uses integrated structure and light weight; increasing the ease of use when shooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"18.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510266953046968828259.jpg\" alt=\"18.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSV555 APO astro camera lens is featured with a handle; bracker; and dovetail plate; making it more convenient to use the lens when shooting. \u003c\/span\u003e\u003cspan\u003eWith a lockable 360° rotator and rotatable lens tube, the APO telephoto lens is convenient for adjusting and saving the angle. Whether daily shooting or astrophotography, you can find a suitable angle for a better shooting effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with cameras; the M72 front filter thread can be connected to the camera filter for daily photography; the design increases the flexibility and ease of the APO telephoto lens. Dual rotate design; lockable 360° rotator and lens tube help you adjust the angle accurately; astrophotography telescope offers a better photography effect to you.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"37.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510272454340885031433.jpg\" alt=\"37.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg title=\"21.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241007\/6386390716980020453879792.jpg\" alt=\"21.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIncreased image quality; SV555 APO astro camera lens consists of a 3-group 5-piece petzval objective lens structure; which includes a set of triplet lens; bringing you a clearer image. Petzval objective lens structure with triplet lens offers a flatter field of view; and improves assembly efficiency and accuracy; you can get an enhanced image quality even on the edge of star point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg title=\"23.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241007\/6386390717009110653836612.jpg\" alt=\"23.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg title=\"25.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241007\/6386390717038213782832883.jpg\" alt=\"25.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg title=\"27.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241007\/6386390717067157214060536.jpg\" alt=\"27.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg title=\"31.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241007\/6386390717096730747469774.jpg\" alt=\"31.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"33.jpg\" src=\"https:\/\/www.svbony.com\/UploadedMedia\/image\/20241021\/6386510291033527916158863.jpg\" alt=\"33.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSV555 astro APO telescope camera lens features an M48x0.75 filter thread to install the 2\" filter; additionally; the V-style \u0026amp; Arca-Swiss quick-release system is compatible; flexible and easy to use; enhancing the efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":44014095466607,"sku":"F9395A","price":726.74,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/sv555-2__15353.jpg?v=1766570903"},{"product_id":"svbony-mk127-maksutov-cassegrain-telescope","title":"SVBONY MK127 127mm f\/11.8 Maksutov-Cassegrain Telescope OTA with 0.65x Reducer","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-1-kv_20260804155236_3584.webp?v=1791651127\" alt=\"SVBONY MK127 127mm Maksutov-Cassegrain telescope with dielectric-coated optics\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe SVBONY MK127 is a 127 mm Maksutov-Cassegrain optical tube with a 1500 mm focal length at f\/11.8. It uses a Rumak-style layout with a separate secondary mirror rather than an aluminized spot on the meniscus, a 99%-reflectivity dielectric coating on the secondary, and an internal dual-speed focuser. SVBONY includes a dedicated 0.65x focal reducer that brings the system to f\/7.68, so the same tube covers high-magnification lunar and planetary work at f\/11.8 and faster imaging of smaller deep-sky targets at f\/7.68.\u003c\/p\u003e\n\u003cp\u003eThe tube is 145 mm in outer diameter and weighs 2934 g (6.47 lb), with a 210 mm Vixen-style dovetail on two mounting bases. The rear port is an SCT male thread (2\"-24 TPI), and both SCT-to-2\" and SCT-to-1.25\" (with T-thread) adapters come in the box.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is a good match if you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve the Moon, planets and double stars:\u003c\/strong\u003e 1500 mm of focal length gives high magnification with moderate-focal-length eyepieces, and the closed tube holds collimation well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage planets and the Moon:\u003c\/strong\u003e the long native focal length suits small-pixel planetary cameras without a heavy Barlow stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWant one tube for planets and small deep-sky targets:\u003c\/strong\u003e the included reducer opens the field for planetary nebulae, globular clusters and small galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel or set up quickly:\u003c\/strong\u003e at under 3 kg the MK127 rides on compact alt-az and GoTo mounts that a larger SCT would overload.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt works well as a first serious planetary scope and equally well as a grab-and-go second telescope for an experienced observer.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e127 mm aperture, 1500 mm focal length:\u003c\/strong\u003e f\/11.8 native, with 254x light-gathering power relative to the dark-adapted eye.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRumak-style separated secondary:\u003c\/strong\u003e the secondary is a separate mirror, which SVBONY uses to correct coma and astigmatism and to flatten the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDielectric secondary coating:\u003c\/strong\u003e 99% reflectivity on the secondary mirror; the primary uses a multi-coated precision aluminum coating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded 0.65x focal reducer:\u003c\/strong\u003e takes the system to f\/7.68 for a wider field and shorter exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal dual-speed focuser:\u003c\/strong\u003e a coarse knob for fast travel and a fine knob for precise focus at high power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaffled tube:\u003c\/strong\u003e anti-reflective paint on the inner wall plus a conical baffle to control stray light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory collimated:\u003c\/strong\u003e the optical axis is aligned before shipping, and no extension tube is needed to reach focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen-style dovetail:\u003c\/strong\u003e 210 mm plate on two mounting bases, removable with M5 hex screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-3-func-3_20260804182350_8937.webp?v=1791651127\" alt=\"SVBONY MK127 127mm aperture light-gathering comparison with an 80mm refractor\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-5-dual-speed_20260804183119_2412.webp?v=1791651127\" alt=\"SVBONY MK127 internal dual-speed focuser with coarse and fine focus knobs\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-7-close-up-1_20260804185711_7398.webp?v=1791651127\" alt=\"SVBONY MK127 close-up of focuser and rear cell construction\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-7-close-up-2_20260804185711_7556.webp?v=1791651127\" alt=\"SVBONY MK127 close-up of dovetail mounting bases and tube details\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eLight enters through a full-aperture meniscus corrector, reflects off the spherical primary, and returns through a central hole in the primary after bouncing off the secondary. In a classic Gregory Maksutov the secondary is an aluminized spot on the back of the meniscus. The MK127 uses a separate secondary mirror (a Rumak arrangement), which gives the designer an extra surface to work with. SVBONY uses that freedom for a flatter field with lower coma and astigmatism, which matters most once a camera sensor is in the focal plane.\u003c\/p\u003e\n\u003cp\u003eAs a reflecting design, the MK127 brings all colours to the same focus, so the Moon's limb and bright planets show none of the violet fringing an achromatic refractor produces. The 40.6 mm secondary is coated with a 99%-reflectivity dielectric stack, and the tube is internally blackened and fitted with a conical baffle for contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-6-optical-path_20260804183119_3329.webp?v=1791651127\" alt=\"SVBONY MK127 Maksutov-Cassegrain optical path diagram\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-3-func-1_20260804182210_8685.webp?v=1791651128\" alt=\"SVBONY MK127 Rumak optical system with separated secondary mirror\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-3-func-2_20260804182351_0588.webp?v=1791651127\" alt=\"SVBONY MK127 lunar detail comparison showing low chromatic aberration versus a refractor\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary observing:\u003c\/strong\u003e high-contrast views of Jupiter's cloud belts, Saturn's rings, Mars at opposition and lunar craters. SVBONY lists 254x as a fully usable magnification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar imaging:\u003c\/strong\u003e at f\/11.8 the native focal length pairs naturally with small-pixel planetary cameras such as the SVBONY SC715C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall deep-sky imaging:\u003c\/strong\u003e with the 0.65x reducer at f\/7.68, planetary nebulae (Ring, Dumbbell, Helix), globular clusters and compact galaxies such as M51.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble stars:\u003c\/strong\u003e long focal length and high image scale for splitting close pairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel and quick sessions:\u003c\/strong\u003e a closed tube that arrives collimated and needs no collimation in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-4-065x_20260804183119_1618.webp?v=1791651127\" alt=\"SVBONY MK127 included 0.65x focal reducer taking the telescope from f\/11.8 to f\/7.68\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear thread:\u003c\/strong\u003e SCT male, 2\"-24 TPI, so standard SCT visual backs, diagonals and T-adapters thread on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded adapters:\u003c\/strong\u003e SCT to 2\" for 2\" diagonals and accessories, and SCT to 1.25\" with T-thread for 1.25\" diagonals or direct camera connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus with the reducer:\u003c\/strong\u003e 55 mm from the reducer to the sensor. Without the reducer, no specific backfocus applies; the internal focuser simply brings the image to focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReducer:\u003c\/strong\u003e the 0.65x reducer is dedicated to the MK127 and is not designed for other brands of telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Vixen-style 210 mm dovetail. At 2934 g plus diagonal and eyepiece (or camera), the tube sits comfortably within the payload of most compact alt-az and small equatorial mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual accessories:\u003c\/strong\u003e a 1.25\" or 2\" star diagonal and eyepieces are needed for visual use. The SVBONY SV188P diagonal and SV191 zoom eyepiece suit the MK127 well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging accessories:\u003c\/strong\u003e for guided deep-sky work, the SVBONY SV106 guide scope or the SV238 off-axis guider with SV226P filter drawer fit the MK127 imaging train.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you want to check a specific camera, filter or guider combination against the 55 mm backfocus, send us your setup and we will work out the spacing with you.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-12-size_20260804185712_4444.webp?v=1791651127\" alt=\"SVBONY MK127 dimensional drawing with measurements\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x MK127 Maksutov-Cassegrain optical tube\u003c\/li\u003e\n\u003cli\u003e1 x 0.65x focal reducer\u003c\/li\u003e\n\u003cli\u003e1 x SCT to 2\" adapter\u003c\/li\u003e\n\u003cli\u003e1 x SCT to 1.25\" adapter with T-thread\u003c\/li\u003e\n\u003cli\u003e1 x 1.25\" dust plug\u003c\/li\u003e\n\u003cli\u003e1 x metal objective lens cover\u003c\/li\u003e\n\u003cli\u003e1 x Vixen-style dovetail plate, 210 mm\u003c\/li\u003e\n\u003cli\u003e2 x dovetail mounting bases\u003c\/li\u003e\n\u003cli\u003e10 x screws\u003c\/li\u003e\n\u003cli\u003e1 x user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSVBONY also supplies a storage bag with the telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-11-box_20260804185712_3669.webp?v=1791651127\" alt=\"SVBONY MK127 package contents including 0.65x reducer, SCT adapters and dovetail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical tube only:\u003c\/strong\u003e no mount, tripod, finder, diagonal or eyepiece is included. The Vixen-style dovetail fits most small mounts, and the add-ons on this page cover the visual and imaging accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong focal ratio:\u003c\/strong\u003e at f\/11.8 the field of view is narrow, which suits planets and small objects. The included reducer widens it to f\/7.68 for imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool-down:\u003c\/strong\u003e like any closed-tube Maksutov, the MK127 gives its sharpest views once the optics reach ambient temperature, so setting it out a little before observing helps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew:\u003c\/strong\u003e the front meniscus is exposed to the night sky, and on humid Ontario nights a dew heater keeps it clear through long sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The tube is collimated at the factory, the dovetail drops into any Vixen-style saddle, and the SCT adapters thread on by hand. Add a diagonal and eyepiece and it is ready to observe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the MK127 need an extension tube to reach focus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. SVBONY confirms it reaches focus without one, as with the rest of the MK series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 0.65x focal reducer included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It ships with the telescope as a standard accessory and is designed specifically for the MK127.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat backfocus does the reducer need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e55 mm from the reducer to the camera sensor. Without the reducer there is no fixed backfocus figure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the highest useful magnification?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSVBONY rates 254x as fully usable. On nights of steady seeing that is enough for fine planetary detail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it for visual observing or imaging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBoth. SVBONY optimized the design primarily for photography, and it performs well visually with a standard diagonal and eyepieces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the dovetail be removed or replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The supplied 210 mm plate is held with M5 hex screws and comes off with an S4 hex wrench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the outer diameter of the tube?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e145 mm, which is the figure to use when choosing a dew shield or heater strip.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a 127 mm, 1500 mm f\/11.8 Maksutov-Cassegrain with a separated dielectric secondary, dual-speed focuser and an included 0.65x reducer, ready for lunar and planetary observing and imaging at native focal length and for small deep-sky targets at f\/7.68. Add a mount, a diagonal and an eyepiece or camera, and it is complete.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eOptical Diagram Reports\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSVBONY publishes spot diagrams at native f\/11.8 and at f\/7.6 with the 0.65x reducer, along with optical surface test data.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-8-f118_20260804185711_9196.webp?v=1791651127\" alt=\"SVBONY MK127 spot diagram at native f\/11.8 without reducer\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-8-f76_20260804185711_8300.webp?v=1791651128\" alt=\"SVBONY MK127 spot diagram at f\/7.6 with the 0.65x focal reducer\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-9-data_20260804185712_1938.webp?v=1791651127\" alt=\"SVBONY MK127 optical surface wavefront test data\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720856895599,"sku":"F9382C","price":584.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mk127-f9382c-1_20251125135022_8600.webp?v=1791651282"},{"product_id":"svbony-sc715c-colour-planetary-camera","title":"SVBONY SC715C Colour Planetary Camera (Sony IMX715, USB 3.0)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SC715C is an uncooled one-shot-colour astronomy camera built around the Sony IMX715 STARVIS 2 sensor. The 1\/2.8″ sensor (6.39 mm diagonal) delivers 3840 x 2160 pixels at 1.45 µm with 0.41–2.29 e⁻ read noise and 12-bit output over USB 3.0. It is designed for high-frame-rate lunar and planetary imaging and doubles as a guide camera through its ST4 port. The body weighs 147 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image the Moon and planets with a long-focal-length telescope such as a Maksutov or SCT, want a small-pixel colour camera that resolves fine planetary detail without a long Barlow, or need a light camera that can also guide a deep-sky rig.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX715 STARVIS 2 sensor:\u003c\/strong\u003e 8.4 MP, 3840 x 2160, 1.45 µm pixels for a fine image scale at long focal lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow read noise:\u003c\/strong\u003e 0.41–2.29 e⁻, with 72.8 dB dynamic range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 with FPGA processing:\u003c\/strong\u003e high frame rates for lucky imaging, with an onboard buffer to keep focusing and zooming responsive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST4 autoguider port:\u003c\/strong\u003e drives mount corrections directly when used as a guide camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure range:\u003c\/strong\u003e 0.1 ms to 1000 s, with 1x1 and 2x2 binning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSandblasted, anodized aluminium body:\u003c\/strong\u003e 147 g, with a rear 1\/4″ tripod thread.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCamera Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe IMX715 is a rolling-shutter colour CMOS sensor from Sony's STARVIS 2 line. Its 1.45 µm pixels sample finely, so at around 1500 mm focal length a planet's disk spans many pixels without extra amplification. Read noise as low as 0.41 e⁻ allows very short sub-exposures that freeze atmospheric seeing, which is the basis of lucky imaging: capture thousands of frames, then stack the sharpest. The camera has no cooling, which suits short planetary exposures, and it records 12-bit data.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary imaging:\u003c\/strong\u003e Jupiter, Saturn, Mars and Venus at high frame rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar imaging:\u003c\/strong\u003e close-up crater and terrain detail, or mosaics with a shorter scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar imaging:\u003c\/strong\u003e with a proper full-aperture solar filter on the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding:\u003c\/strong\u003e via ST4 or software guiding through PHD2.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront connection:\u003c\/strong\u003e M42 x 0.75 male thread, with adapters for 1.25″ barrel, M42 female, CS and C mount included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e the 1.25″ nosepiece takes standard 1.25″ filters such as the SVBONY 1.25″ UV\/IR cut filter, which keeps infrared from softening colour images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e USB 3.0 Type-B to a computer running capture software such as SharpCap or FireCapture; ST4 cable included for guiding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith the SVBONY MK127:\u003c\/strong\u003e thread the SCT-to-1.25″ adapter onto the telescope and slide the camera in on its 1.25″ nosepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSC715C camera\u003c\/li\u003e\n\u003cli\u003eM42 to 1.25″ adapter\u003c\/li\u003e\n\u003cli\u003eM42 to M42 adapter\u003c\/li\u003e\n\u003cli\u003eC-CS 5 mm adapter\u003c\/li\u003e\n\u003cli\u003eM42 to C-mount adapter\u003c\/li\u003e\n\u003cli\u003eDust cap\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eCleaning cloth\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer required:\u003c\/strong\u003e the camera runs from capture software on a laptop or PC over USB 3.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncooled:\u003c\/strong\u003e it is optimized for short planetary and lunar exposures rather than long deep-sky integrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall sensor:\u003c\/strong\u003e the 1\/2.8″ chip has a narrow field, which suits planets and lunar detail rather than wide nebula framing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging only:\u003c\/strong\u003e it has no application for eyepiece viewing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Install the capture software, connect the USB 3.0 cable, and slide the camera into the telescope on the included 1.25″ adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used as a guide camera?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It has an ST4 port and works with guiding software such as PHD2.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need a filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA UV\/IR cut filter is a common pairing for colour planetary and lunar images, since it keeps infrared light out of the colour channels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit a Maksutov or SCT?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Any telescope that accepts a 1.25″ barrel or an M42 thread can take it.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a compact colour planetary camera with a Sony IMX715 sensor, 1.45 µm pixels and sub-electron read noise, ready for high-frame-rate lunar and planetary work on a long-focal-length telescope and able to double as a guide camera.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720859025519,"sku":"W9305A","price":305.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9305A-0_20251210140956_4642.webp?v=1791651337"},{"product_id":"svbony-1-25-uv-ir-cut-filter","title":"SVBONY 1.25″ UV\/IR Cut Filter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY 1.25″ UV\/IR cut filter passes visible light and blocks ultraviolet and infrared. It is built on optical-glass substrate with optical coatings and threads into any standard 1.25″ filter thread, from camera nosepieces to eyepieces and diagonals. It ships in a plastic storage case.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image with a colour CMOS, planetary or modified camera and want to keep infrared and ultraviolet light out of your colour data, or if you want a clear protective window in front of a 1.25″ camera sensor.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV and IR blocking:\u003c\/strong\u003e removes the wavelengths that colour sensors record but that do not belong in a natural-colour image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighter star images:\u003c\/strong\u003e cutting infrared reduces the bloated stars and soft halos that IR focus shift causes in refractors and many camera trains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical-glass substrate:\u003c\/strong\u003e coated optical glass for clean transmission across the visible band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective window:\u003c\/strong\u003e can stay in place permanently as a dust shield in front of a camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1.25″ filter thread:\u003c\/strong\u003e fits camera nosepieces, eyepieces and diagonals with 1.25″ filter threads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar imaging\u003c\/strong\u003e with colour cameras such as the SVBONY SC715C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadband deep-sky imaging\u003c\/strong\u003e with colour CMOS or modified cameras in a 1.25″ train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor protection\u003c\/strong\u003e in front of a 1.25″ camera nosepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e standard 1.25″ filter thread, the same thread used on 1.25″ eyepieces, diagonals and camera nosepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e colour CMOS astronomy cameras, DSLRs used with a 1.25″ adapter, and modified webcams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith the SVBONY MK127 and SC715C:\u003c\/strong\u003e thread it onto the SC715C's 1.25″ nosepiece before inserting the camera into the telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e this is the 1.25″ version. 2″ imaging trains need a 2″ filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished data:\u003c\/strong\u003e SVBONY does not publish a transmission curve or cut-off wavelengths for this filter. If you need those figures for a specific application, get in touch and we will look into it with you.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into the front of a camera nosepiece or any 1.25″ filter thread by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need it with a mono camera?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMono cameras usually use dedicated L, R, G and B filters with their own UV\/IR blocking. A UV\/IR cut filter is mainly for colour cameras.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it stay on the camera all the time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY designs it to serve as a permanent protective window.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ coated optical-glass filter that blocks UV and infrared, for cleaner colour and tighter stars from colour cameras, and a simple way to protect a camera sensor.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720863875183,"sku":"F9127A","price":22.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9127a-1_20250807103731_7612_20260810142830_2656.webp?v=1791651386"},{"product_id":"svbony-sv106-60mm-guide-scope","title":"SVBONY SV106 60mm f\/4 Guide Scope with Helical Focuser","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV106 is a 60 mm f\/4 achromatic guide scope with a 240 mm focal length and a helical focuser with 8 mm of travel. The focuser collar does not rotate as it moves, so an attached guide camera keeps its orientation while you focus. Tube rings and a dovetail rail are included, and the 1.25″ holder also accepts an eyepiece, so the SV106 works as a straight-through finder as well. It weighs 790 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are autoguiding a deep-sky imaging telescope and want a short, fast guide scope that gathers plenty of guide stars, or if you want one scope that serves as both guider and finder.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 mm, 240 mm, f\/4:\u003c\/strong\u003e a wide, bright guide field for finding guide stars quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-rotating helical focuser:\u003c\/strong\u003e 8 mm of fine travel without turning the camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescoping drawtube:\u003c\/strong\u003e 35 mm of coarse adjustment before the helical stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression-ring holder:\u003c\/strong\u003e grips a 1.25″ camera or eyepiece without marring it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully multi-coated achromat:\u003c\/strong\u003e blackened lens edges for contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium tube:\u003c\/strong\u003e 66 mm tube diameter, 69 mm dew cap, 270 mm overall length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRings and dovetail included:\u003c\/strong\u003e ready to mount on your imaging telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378019382528839531909186.jpg?v=1791651294\" alt=\"SVBONY SV106 60mm guide scope specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding:\u003c\/strong\u003e paired with a guide camera such as the SVBONY SC715C or SV905C under PHD2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinder scope:\u003c\/strong\u003e with a 1.25″ eyepiece for straight-through star hopping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field imaging:\u003c\/strong\u003e short focal length for very wide star fields with a small camera.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera connection:\u003c\/strong\u003e 1.25″ compression-ring holder, plus male T-threads on the focuser collar for guide cameras with female T-threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focal length:\u003c\/strong\u003e 220 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e included tube rings and dovetail rail. If you want to confirm the fit to a particular finder shoe or saddle on your telescope, send us the model and we will check it with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith the SVBONY MK127:\u003c\/strong\u003e use it alongside the telescope for guided imaging with the 0.65x reducer, mounted on the rings and dovetail.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide camera sold separately:\u003c\/strong\u003e the SV106 is the optics and focuser; a guide camera or eyepiece is needed to use it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAchromat:\u003c\/strong\u003e as a two-element guide scope it is optimized for guiding and finding rather than colour-critical imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the rings and dovetail to your telescope, slide a guide camera into the 1.25″ holder, rack the drawtube to rough focus, and finish with the helical focuser.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the camera turn while focusing?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The helical focuser collar is non-rotating, so the guide camera stays in the same orientation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used as a finder?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Insert a 1.25″ eyepiece for a straight-through finder view.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat focal length does it give?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e240 mm at f\/4, with a 220 mm back focal length.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 60 mm f\/4 guide scope with a non-rotating helical focuser, rings and dovetail included, that adds autoguiding to an imaging rig and doubles as a finder with an eyepiece.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720864956527,"sku":"F9177B","price":106.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250928091321_3352_20260810152154_1805.webp?v=1791651416"},{"product_id":"svbony-sv182-6x30-right-angle-finder","title":"SVBONY SV182 6x30 Right-Angle Correct-Image Finder Scope with Bracket","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV182 is a 6x30 finder scope with a 90° eyepiece and an upright, correctly oriented image. The fully multi-coated two-element achromatic objective gives a 7.5° field with a single crosshair reticle, 15 mm of eye relief and a 5 mm exit pupil. A spring-loaded X-Y bracket makes alignment with your main telescope straightforward. It weighs 295 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if your telescope points high in the sky, as Maksutovs and SCTs often do, and you want to aim it without bending under a straight-through finder, or if you prefer a finder view that matches star charts and daytime landmarks the right way up.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90° viewing angle:\u003c\/strong\u003e look down into the finder rather than sighting along the tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect image:\u003c\/strong\u003e upright and not mirror-reversed, so the view matches the sky and the landscape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6x30, 7.5° field:\u003c\/strong\u003e 120 mm focal length, 5 mm exit pupil and 15 mm eye relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully multi-coated achromat:\u003c\/strong\u003e two-element 30 mm objective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle crosshair:\u003c\/strong\u003e non-illuminated reticle for centring targets.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpring-loaded X-Y alignment and adjustable focus.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar hopping\u003c\/strong\u003e to planets, clusters and nebulae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAligning GoTo mounts\u003c\/strong\u003e on bright alignment stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaytime aiming\u003c\/strong\u003e at landmarks to align the finder with the main scope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e supplied with its bracket. If you want to confirm it suits the finder shoe on your telescope, send us the model and we will check it with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith the SVBONY MK127:\u003c\/strong\u003e the MK127 does not include a finder, and the SV182's right-angle eyepiece suits a scope pointed high toward the planets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e the crosshair is not illuminated; it shows best against a lightly lit sky or on bright stars.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the bracket, aim the main telescope at a distant landmark or the Moon, and use the two alignment screws to bring the crosshair onto the same target.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the image upright?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It is a correct-image finder, upright and not reversed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a right-angle finder?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhen a telescope points high, a straight-through finder puts the eyepiece close to the tube and low. The 90° eyepiece of the SV182 keeps the viewing position comfortable.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 6x30 right-angle finder with an upright, correct image, 7.5° field and crosshair, for comfortable aiming of a telescope that points high.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720866398319,"sku":"W9141B","price":61.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9141B-0_20260408151702_2495.webp?v=1791651444"},{"product_id":"svbony-sv191-zoom-eyepiece","title":"SVBONY SV191 7.2-21.6mm 1.25″ Zoom Eyepiece","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV191 is a 1.25″ zoom eyepiece that covers 7.2 mm to 21.6 mm in one continuous 3x range. The apparent field widens from 42° at the long end to 65° at the short end, eye relief stays at 18–20 mm throughout, and the optics are a fully multi-coated 7-element, 4-group design with blackened lens edges. It weighs 167 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want to move from a finding view to a high-power planetary view without swapping eyepieces, observe with glasses, or want one compact eyepiece for travel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.2–21.6 mm continuous zoom:\u003c\/strong\u003e dial in the magnification that suits the seeing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42°–65° apparent field:\u003c\/strong\u003e the field widens as you zoom to higher power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18–20 mm eye relief:\u003c\/strong\u003e comfortable with eyeglasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7 elements in 4 groups:\u003c\/strong\u003e fully multi-coated, with blackened lens edges for contrast.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMetal twist-up eyecup.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.25″ barrel with M28.5 x 0.6 filter thread.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383866315859845905171996.jpg?v=1791651294\" alt=\"SVBONY SV191 zoom eyepiece installation diagram\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar observing:\u003c\/strong\u003e zoom in until the seeing limits the view, then back off slightly for the sharpest image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble stars and clusters\u003c\/strong\u003e across a range of magnifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel kits\u003c\/strong\u003e where one eyepiece replaces several.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel:\u003c\/strong\u003e 1.25″, fits any 1.25″ diagonal or focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e M28.5 x 0.6 thread for standard 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith the SVBONY MK127:\u003c\/strong\u003e at 1500 mm focal length the SV191 gives about 69x to 208x, a range that covers most lunar and planetary nights. A 1.25″ diagonal such as the SV188P sits between the eyepiece and the telescope's SCT-to-1.25″ adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eNarrower field at low power:\u003c\/strong\u003e at 21.6 mm the apparent field is 42°, so wide-field sweeping is better served by a dedicated low-power wide-angle eyepiece.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It slides into any 1.25″ diagonal or focuser. Turn the zoom barrel to change magnification and refocus slightly as needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with glasses?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Eye relief is 18–20 mm across the zoom range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it take filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Standard 1.25″ filters thread into its M28.5 x 0.6 filter thread.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 7.2–21.6 mm 1.25″ zoom eyepiece with long eye relief and a field that widens to 65°, covering low to high power in one compact eyepiece.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720868003951,"sku":"W9150A","price":95.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9150a-0_20251231153302_1233.webp?v=1791651468"},{"product_id":"svbony-sv188p-1-25-dielectric-mirror-diagonal","title":"SVBONY SV188P 1.25″ 90° Dielectric Mirror Diagonal","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV188P is a 1.25″ 90° star diagonal with a dielectric-coated mirror rated at 99% reflectivity. The aluminium-alloy body has a 1.25″ nosepiece with an M28.5 x 0.6 filter thread and a 1.25″ eyepiece clamp with a brass compression ring and brass thumbscrew. The mirror is 11 mm thick, and the diagonal weighs 125 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe through a refractor, Maksutov or SCT and want a comfortable viewing position for objects high in the sky, with a bright, high-reflectivity mirror in the light path.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e99% reflectivity dielectric mirror:\u003c\/strong\u003e bright images with minimal light loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90° viewing angle:\u003c\/strong\u003e comfortable posture when the telescope points high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass compression ring and thumbscrew:\u003c\/strong\u003e holds the eyepiece securely without scratching the barrel or letting it rotate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM28.5 x 0.6 filter thread\u003c\/strong\u003e on the nosepiece for standard 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium alloy body\u003c\/strong\u003e with M4 set screws.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing\u003c\/strong\u003e of the Moon, planets, double stars and deep-sky objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfortable high-altitude viewing\u003c\/strong\u003e with refractors and catadioptric telescopes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNosepiece:\u003c\/strong\u003e 1.25″ barrel, fits any 1.25″ focuser or visual back.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece side:\u003c\/strong\u003e 1.25″ clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e M28.5 x 0.6 thread on the nosepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaksutov and SCT use:\u003c\/strong\u003e these telescopes need a 1.25″ visual back. The SVBONY MK127 includes its SCT-to-1.25″ adapter, so the SV188P slides straight in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage orientation:\u003c\/strong\u003e like all mirror diagonals, the view is upright but reversed left to right, which is standard for astronomical observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e this listing is the 1.25″ version. 2″ eyepieces need a 2″ diagonal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Slide the nosepiece into the focuser or visual back, tighten the set screw, and insert a 1.25″ eyepiece into the brass compression ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a dielectric mirror?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA dielectric coating reflects 99% of visible light, more than a standard aluminized mirror, which gives a slightly brighter image.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work on a Maksutov such as the MK127?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, through the telescope's SCT-to-1.25″ adapter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ 90° diagonal with a 99% reflectivity dielectric mirror and a brass compression clamp, for bright, comfortable visual observing.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720868855919,"sku":"F9171D","price":61.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9171d-1_20251124095503_3109.webp?v=1791651491"},{"product_id":"svbony-sv238-off-axis-guider","title":"SVBONY SV238 Off-Axis Guider (OAG) with 8x14mm Prism","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV238 is an off-axis guider that picks off a small part of your imaging telescope's light with an 8 x 14 mm prism and sends it to a 1.25″ guide-camera port. Guiding through the main optics removes the flexure that can creep in between a separate guide scope and the imaging telescope. The CNC-machined aluminium body is 12.5 mm thick, the prism height is adjustable, and the telescope side takes M54 or M48 x 0.75 threads, with adapters down to M42 included. SVBONY rates it for sensors up to APS-C.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image deep-sky targets at long focal lengths, where small amounts of guide-scope flexure show up as elongated stars, or if you image through a Maksutov or SCT, whose moving primary mirror makes off-axis guiding the reliable choice.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 x 14 mm prism with adjustable height:\u003c\/strong\u003e a large pick-off area for finding guide stars, positioned to stay clear of the main sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual helical focuser on the guide port:\u003c\/strong\u003e focuses the guide camera independently and locks firmly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.5 mm body thickness:\u003c\/strong\u003e leaves room in a 55 mm backfocus budget for a filter drawer and camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM54 \/ M48 telescope side:\u003c\/strong\u003e 4 mm (M48 x 0.75) and 5 mm (M54 x 0.75) connections, with M54–M42 and M48–M42 adapters included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew-connection main-camera side:\u003c\/strong\u003e bolts directly to cameras and filter drawers through M2.5 and M3 holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined aluminium:\u003c\/strong\u003e resists thermal deformation through a night of imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eMechanical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SV238's optical thickness is 16.5 mm with the M48 adapter and 17.5 mm with the M54 adapter. In SVBONY's example train, a camera with 17.5 mm of flange depth, the 21 mm SV226P filter drawer and the SV238 with its M48 adapter add up to the 55 mm backfocus that most reducers and flatteners need. The recommended assembly order is telescope, then reducer or flattener, then OAG, then filter drawer or wheel, then camera, so the guide camera sees unfiltered light even when you image in narrowband.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-focal-length deep-sky imaging\u003c\/strong\u003e where a guide scope would flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaksutov and SCT imaging,\u003c\/strong\u003e including the SVBONY MK127 with its 0.65x reducer and M42 adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband imaging,\u003c\/strong\u003e with the OAG ahead of the filter so the guide camera keeps full-spectrum light.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain cameras listed by SVBONY:\u003c\/strong\u003e SV605CC, SV405CC, SV605MC, ZWO ASI533MC Pro, ASI260C Pro, ASI2600MC, ASI662MC, Altair 294C, 533M and 26C, Player One Uranus-C Pro, ATR294C and QHY5III585M.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide cameras listed by SVBONY:\u003c\/strong\u003e SV905C, ZWO ASI120MM Mini, ASI220MM Mini, ASI290MM Mini and GPM662M. Recommended guide-sensor size is 1\/3″ to 1\/1.8″.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter drawers:\u003c\/strong\u003e the SVBONY SV226P (M42, 21 mm) bolts directly to the SV238. The SV226 M54 drawer is the larger-format option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescopes named by SVBONY:\u003c\/strong\u003e SV555, SV503 and SV550 with flattener, and MK105 and MK127 with the M42 adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBackfocus is the figure that ties an OAG train together. Send us your telescope, corrector, filter and camera, and we will work out the spacing with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOff-axis guider\u003c\/li\u003e\n\u003cli\u003eM54 threaded ring\u003c\/li\u003e\n\u003cli\u003eM48 adapter ring\u003c\/li\u003e\n\u003cli\u003eM54–M42 adapter ring\u003c\/li\u003e\n\u003cli\u003eM48–M42 adapter ring\u003c\/li\u003e\n\u003cli\u003e12 x M2.5 x 8 hex socket screws\u003c\/li\u003e\n\u003cli\u003e16 x M3 x 12 hex socket screws\u003c\/li\u003e\n\u003cli\u003eM2 and M2.5 hex wrenches\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor size:\u003c\/strong\u003e rated up to APS-C. Full-frame trains need a larger prism and M54 or M68 threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide camera sold separately,\u003c\/strong\u003e along with the main camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter drawer recommended:\u003c\/strong\u003e SVBONY pairs the SV238 with a filter drawer, and the SV226P is its matched M42 option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging only:\u003c\/strong\u003e it has no application in a visual train with an eyepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt takes one careful session. Focus the main camera first, then slide the guide camera in its 1.25″ port until guide stars are tightest, adjust the prism height, and lock it. After that, the focus stays set for that imaging train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy use an OAG instead of a guide scope?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAn OAG guides through the same optics as the imaging camera, so mirror shift and flexure between two separate scopes no longer affect tracking. That matters most at long focal lengths and on Maksutovs and SCTs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if I can't find a guide star?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRotate the OAG to a different quadrant, adjust prism height, and use 1–3 second guide exposures with higher gain or 2x2 binning.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the prism shadow the main sensor?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn sensors up to APS-C it is positioned to stay clear. If a shadow appears, retracting the prism 0.5–1 mm resolves it.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 12.5 mm off-axis guider with an 8 x 14 mm adjustable prism, M54\/M48\/M42 connections and a helical 1.25″ guide port, for flexure-free guiding through your imaging telescope with sensors up to APS-C.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720870592623,"sku":"W9196A","price":141.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/SV238-W9196A-0_20251210130619_4898.webp?v=1791651537"},{"product_id":"svbony-sv226p-filter-drawer-for-oag","title":"SVBONY SV226P M42 Filter Drawer for SV238 OAG (1.25″ and 2″)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV226P is a filter drawer designed to bolt directly to the SV238 off-axis guider. One drawer holds either a 1.25″ or a 2″ filter, held by H-type magnets and a side-locking screw that also seals against light leaks. It is machined in one piece from aluminium, is 21 mm thick, has an M42 camera-side thread, and includes an M42-to-M48 adapter. Twelve M2.5 threaded points attach it rigidly to the OAG.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/9_20260129115803_4154.webp?v=1791651293\" alt=\"SVBONY SV226P filter drawer specifications: thickness, threads, material and filter sizes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are building an imaging train around the SVBONY SV238 OAG and want to swap filters quickly without removing the camera, whether you image in broadband or narrowband.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ and 2″ in one drawer:\u003c\/strong\u003e no extra holders needed when you change filter size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual retention:\u003c\/strong\u003e H-type magnets plus a side-lock screw that keeps the drawer seated and light-tight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 M2.5 mounting points:\u003c\/strong\u003e a rigid connection to the SV238, keeping the guide-camera relationship stable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21 mm thickness, M42 camera side:\u003c\/strong\u003e with an included M42-to-M48 adapter, and M28.5 support for 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOne-piece CNC aluminium body.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6_20260129115747_1597.webp?v=1791651294\" alt=\"SVBONY SV226P filter drawer with included M42 to M48 adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband and broadband deep-sky imaging\u003c\/strong\u003e with quick filter changes behind an OAG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact OAG imaging trains\u003c\/strong\u003e on refractors and Maksutovs, including the SVBONY MK127 with its reducer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for:\u003c\/strong\u003e the SVBONY SV238 off-axis guider.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera side:\u003c\/strong\u003e native M42 female thread; M42-to-M48 adapter included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus:\u003c\/strong\u003e 21 mm. In SVBONY's example, a camera with 17.5 mm of flange depth, the SV226P and the SV238 with its M48 adapter total 55 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSV226P vs SV226:\u003c\/strong\u003e the SV226P has the mounting holes needed to bolt to the SV238. The plain SV226 M42 drawer cannot attach to the OAG.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/7_20260129115753_9528.webp?v=1791651293\" alt=\"SVBONY SV226P filter drawer installation with SV238 off-axis guider and camera\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/8_20260129115758_7792.webp?v=1791651293\" alt=\"SVBONY SV226P filter drawer dimensional drawing in millimetres\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/10_20260129115809_1053.webp?v=1791651293\" alt=\"SVBONY SV226P versus SV226 filter drawer comparison chart\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eIf you are combining the SV226P with a different camera or corrector, send us your setup and we will confirm the spacing with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for the SV238:\u003c\/strong\u003e its mounting pattern matches that OAG. For a drawer without an OAG, the standard SV226 is the alternative.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFilters sold separately.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging only:\u003c\/strong\u003e it has no application in a visual train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It bolts to the camera side of the SV238 with the M2.5 screws supplied with the OAG, and the camera threads onto its M42 side.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use 1.25″ and 2″ filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The same drawer accepts either size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow thick is it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e21 mm, which is the figure to include in your backfocus total.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 21 mm, one-piece aluminium filter drawer that bolts to the SVBONY SV238 OAG, takes 1.25″ or 2″ filters, and keeps an OAG imaging train compact and light-tight.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67720872460399,"sku":"W9184D","price":64.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260129115627_2332.webp?v=1791651565"},{"product_id":"svbony-sv241-pro-astro-power-controller-usb-hub-dew-control-ascom","title":"SVBONY SV241 Pro Astro Power Controller (USB Hub, Dew Control, ASCOM)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260720150459_0111.webp?v=1791667878\" alt=\"SVBONY SV241 Pro astro power controller key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV241 Pro is a compact power and USB distribution box for a telescope imaging rig. From a single 12V DC input (10A max) it supplies one always-on 12V output, five individually switchable 12V outputs (6A max each), a regulated 0–15V adjustable output (3A max), two PWM-controlled RCA dew heater ports, and a USB hub with two USB 3.0 and four USB 2.0 ports. It connects to your computer over USB 3.0 Type-B, runs under ASCOM with NINA integration, and reports voltage, current, temperature and humidity. The housing measures 100.5 x 87.5 x 24.5 mm and weighs approximately 210 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260720150459_0184.webp?v=1791667878\" alt=\"SVBONY SV241 Pro remote control of outputs and sensors in NINA\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-8_20250902135518_2041.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro NINA software control panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-3_20250826191326_5973.jpg?v=1791667878\" alt=\"SVBONY SV241 Pro switchable 12V and adjustable outputs\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you run a computer-controlled imaging setup — cooled camera, mount, focuser, filter wheel, guide camera and dew heaters — and want power, USB and dew control in one box on the telescope, switched and monitored from your capture software. It suits portable rigs and permanent observatory setups alike.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven 12V DC outputs:\u003c\/strong\u003e one always-on port plus five switchable ports, each rated to 6A, for cameras, mounts and motorized accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable 0–15V output:\u003c\/strong\u003e a regulated, switchable port rated to 3A for devices that need a voltage other than 12V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo PWM dew heater ports:\u003c\/strong\u003e RCA outputs at 12V 6A, controlled independently, so the main scope and guide scope heaters can run at different levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic dew control:\u003c\/strong\u003e an SHT40 temperature and humidity sensor (5–85% RH) and a separate temperature probe feed dew-point difference, constant-temperature or manual heating modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in USB hub:\u003c\/strong\u003e two USB 3.0 and four USB 2.0 ports, each supplying 5V 2.5A with 2.75A overcurrent protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage and current monitoring:\u003c\/strong\u003e readouts available in software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection circuitry:\u003c\/strong\u003e ESD, reverse polarity, backflow, filtering, fusible link, under- and over-voltage, over-current and short-circuit protection, with automatic restart after an overload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSettings retention:\u003c\/strong\u003e custom settings are kept through power-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e M4 and 1\/4″-20 UNC screw holes for fixing the box to a dovetail, tube ring or pier plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus LED:\u003c\/strong\u003e lights steadily when the unit is ready.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-5_20250826191326_5981.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro USB hub ports with 5V 2.5A output and protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-6_20250826191326_5979.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro USB 3.0 and USB 2.0 hub layout\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-7_20250826191326_5986.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro temperature and humidity sensor interfaces\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep-sky imaging rigs:\u003c\/strong\u003e power a cooled camera, mount, focuser and filter wheel from one 12V supply while routing their USB connections through a single cable to the computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew management:\u003c\/strong\u003e drive dew heaters on the main telescope and the guide scope with automatic dew-point control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote and observatory operation:\u003c\/strong\u003e switch devices on and off and watch power draw from NINA or another ASCOM client.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable management:\u003c\/strong\u003e mounting the box on the telescope shortens cable runs and reduces snag points as the mount slews.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-4_20250902135904_3267.jpg?v=1791667878\" alt=\"SVBONY SV241 Pro dual PWM dew heater outputs 12V 6A\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9193b-1_20250830162617_2773.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro built-in circuit protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-9_20250826191326_5969.jpg?v=1791667878\" alt=\"SVBONY SV241 Pro status LED indicator\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e takes 12V DC up to 10A through a 5.5 x 2.5 mm barrel connector; the supply is sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew heaters:\u003c\/strong\u003e the two heater outputs are RCA connectors, so heaters with a matching RCA plug connect directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e ASCOM drivers with NINA integration; SVBONY also lists INDI availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB:\u003c\/strong\u003e the hub uplinks to your computer over USB 3.0 Type-B. USB 3.0 ports suit imaging cameras; USB 2.0 ports suit guide cameras, focusers and filter wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal load:\u003c\/strong\u003e the 10A input rating is the ceiling for everything connected at once — worth adding up when a cooled camera and two dew heaters run together.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837-10_20250826191326_5979.jpg?v=1791667879\" alt=\"SVBONY SV241 Pro M4 and 1\/4-20 mounting holes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260720150459_0289.webp?v=1791667879\" alt=\"SVBONY SV241 Pro settings retained after power-off\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20260720150459_0425.webp?v=1791667878\" alt=\"SVBONY SV241 Pro dimensions and specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply not listed:\u003c\/strong\u003e SVBONY does not list a power supply or cables in the package; a 12V DC supply sized to your total load is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e rated for -10°C to 50°C and 5–85% RH non-condensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis listing is the single SV241 Pro.\u003c\/strong\u003e SVBONY also offers two-unit and SV241 Pro plus SV241 bundles on its page; get in touch if you need more than one unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the box on the telescope, connect a 12V supply and the USB 3.0 cable to your computer, install the ASCOM driver, and connect it in NINA or your preferred ASCOM software. Devices then plug into the DC, USB and RCA ports.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it control two dew heaters at different levels?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The two RCA outputs are independent, each with PWM control and dew-point, constant-temperature or manual modes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it power a cooled camera?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Each 12V output is rated to 6A, within the 10A total input.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it remember my settings?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Custom settings are retained after the box is powered off.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work outside NINA?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt uses ASCOM drivers, so ASCOM-compatible software can control it, and SVBONY lists INDI availability.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 210 g power, USB and dew control hub that puts seven 12V outputs, an adjustable 0–15V port, two PWM dew heater channels and a six-port USB hub on the telescope, all switched and monitored from ASCOM software.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721421357167,"sku":"W9193B","price":242.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9193b_20260209092554_6302.webp?v=1791665116"},{"product_id":"svbony-sv165-30mm-f-4-mini-guide-scope-with-helical-focuser","title":"SVBONY SV165 30mm f\/4 Mini Guide Scope with Helical Focuser","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210301339345582639.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm f\/4 mini guide scope key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV165 is a 30 mm f\/4 mini guide scope for autoguiding a deep-sky imaging rig. Its fully multi-coated achromatic objective gives a 120 mm focal length, and a helical focuser with 45 mm of travel brings the guide camera to focus. The camera end accepts 1.25″ nosepieces and M42 x 0.75 threads, with 26 mm of back focus. The aluminium tube has a sandblasted, oxidized finish, measures 112 mm long, and the scope weighs 342 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210352814645426311.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope overview for autoguiding\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210383610409199797.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope overview for deep-sky imaging rigs\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image deep-sky targets on an equatorial mount and want a light, compact guide scope that adds little weight to the rig, or if you travel with a small imaging setup and need guiding without a bulky second telescope.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 mm f\/4 achromat:\u003c\/strong\u003e 120 mm focal length, fully multi-coated, for a wide guiding field with plenty of guide-star choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelical focuser:\u003c\/strong\u003e 45 mm of travel for fine, repeatable focus on guide stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual camera interface:\u003c\/strong\u003e 1.25″ slip-fit and M42 x 0.75 thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing bracket with dovetail:\u003c\/strong\u003e two-ring bracket with nylon-tipped thumbscrews for aiming the scope, on a dovetail base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNC 1\/4-20 mounting thread:\u003c\/strong\u003e for attaching to other mounting hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact aluminium body:\u003c\/strong\u003e 45 mm tube, 48 mm dew cap, 112 mm overall length, 342 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210415586416130148.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope key features and design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210447102954270378.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope helical focuser and camera interface features\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210477003807333462.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope ring bracket and dovetail design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe objective is a fully multi-coated 30 mm achromat working at f\/4. A 120 mm focal length paired with a small-pixel guide camera gives an image scale suited to guiding imaging telescopes of short to moderate focal length, and the fast focal ratio keeps guide stars bright at short guide exposures. The 26 mm back focus places the focal plane close to the end of the focuser, which suits dedicated guide cameras.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210506115595024038.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm f\/4 guide scope optical design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210536910214483817.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope multi-coated achromatic objective\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding\u003c\/strong\u003e deep-sky astrophotography with software such as PHD2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable and travel imaging rigs\u003c\/strong\u003e where weight and length matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-exposure imaging\u003c\/strong\u003e on equatorial mounts that benefit from guided correction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210565170762001478.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope recommended uses for autoguiding\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210593306237187127.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope on a portable imaging rig\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide cameras:\u003c\/strong\u003e SVBONY pairs it with the SV305 Pro and other guiding cameras; any camera with a 1.25″ nosepiece or M42 x 0.75 thread fits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e the supplied ring bracket and dovetail fit a finder-style dovetail shoe; a UNC 1\/4-20 thread is also provided.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus:\u003c\/strong\u003e 26 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210621374469176651.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope camera and mounting compatibility\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210649413383639855.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope specifications and back focus\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV165 30 mm f\/4 mini guide scope\u003c\/li\u003e\n\u003cli\u003eTwo-ring bracket with dovetail\u003c\/li\u003e\n\u003cli\u003eTwo nylon-tipped thumbscrews\u003c\/li\u003e\n\u003cli\u003eScrew tool\u003c\/li\u003e\n\u003cli\u003eDust cover\u003c\/li\u003e\n\u003cli\u003eLens cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378423210679720818872180.jpg?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope package contents\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387013801407853357560252.gif?v=1791667864\" alt=\"SVBONY SV165 30mm guide scope animated product view\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide camera sold separately:\u003c\/strong\u003e this listing is the guide scope alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece use:\u003c\/strong\u003e SVBONY notes that an extension tube is needed to reach focus with an eyepiece; the scope is designed around a guide camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDovetail shoe:\u003c\/strong\u003e your telescope or mounting plate needs a finder-style shoe or a 1\/4-20 attachment point.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Slide the dovetail into a finder shoe, insert or thread the guide camera, and focus on a bright star with the helical focuser, then lock it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich guide cameras fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCameras with a 1.25″ nosepiece or an M42 x 0.75 thread, including the SVBONY SV305 Pro.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat focal length of main telescope does it suit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIts 120 mm focal length suits guiding short and moderate focal-length imaging telescopes, such as small refractors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it as a finder?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eVisual use needs an extension tube to reach focus with an eyepiece, per SVBONY.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 342 g, 30 mm f\/4 guide scope with a 120 mm focal length, helical focuser and 1.25″\/M42 camera fit, ready to guide a compact imaging rig once a guide camera is added.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721421521007,"sku":"W9125A","price":64.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9125a-1_20250806150319_0790_20260814162528_0004.webp?v=1791665151"},{"product_id":"svbony-sv172-usb-dew-heater-strip-240mm-320mm-400mm","title":"SVBONY SV172 USB Dew Heater Strip (240mm \/ 320mm \/ 400mm)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873580379129561241302.jpg?v=1791667879\" alt=\"SVBONY SV172 USB dew heater strip key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV172 is a USB-powered dew heater strip that wraps around a telescope dew shield, objective cell or camera lens and keeps the front optic a few degrees above the dew point. It runs from 5V on a USB Type-A plug, is 50 mm wide, and has a three-level heat regulator. This listing offers three heater lengths — 240 mm, 320 mm and 400 mm — drawing 7.25–7.75 W, 9–9.25 W and 9.5–9.75 W respectively, each on a 1.8 m nylon-braided power cable.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873582249460235580739.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip feature overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873584601396784965436.jpg?v=1791667878\" alt=\"SVBONY SV172 dew heater strip features and design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe or image with a small to mid-size refractor or a camera lens on nights when dew forms, and want a heater that runs from a USB power bank, USB hub or power box without a separate controller.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V USB power:\u003c\/strong\u003e runs from a USB Type-A port on a power bank, power box or hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree heat levels:\u003c\/strong\u003e strong, medium and weak settings on the inline regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 mm width:\u003c\/strong\u003e narrow enough to sit behind the front optic without intruding into the light path or causing vignetting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayered construction:\u003c\/strong\u003e imitation OK cloth, SBR, Black-T, aluminium film and PU layers spread heat evenly and hold it against the tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy fibre heating wire with silicone insulation:\u003c\/strong\u003e fast, continuous warming with insulation against internal shorts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.8 m nylon power cable:\u003c\/strong\u003e enough reach from the telescope to a mount-mounted power source.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873585598942285020782.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip layered construction\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873588089023027252244.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip three-level heat regulator\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eChoosing a Length\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe heater length is the heated section that wraps the optic; the total length adds the strap ends. SVBONY lists these fits for its own telescopes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e240 mm (W9132A):\u003c\/strong\u003e total length 320 mm, 1.45–1.55 A. Sized for camera lenses and compact optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e320 mm (W9132B):\u003c\/strong\u003e total length 400 mm, 1.8–1.95 A. SVBONY lists it for the SV503 70ED.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 mm (W9132C):\u003c\/strong\u003e total length 480 mm, 1.9–2.2 A. SVBONY lists it for the SV48P 90, SV503 80ED and SV550 80APO.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor other telescopes, measure the circumference where the strip will sit and compare it with the heater length. Send us the measurement and we will help you pick the right size.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386460961147008016980763.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip 240mm, 320mm and 400mm length options\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractor dew prevention:\u003c\/strong\u003e keeps the objective clear through long imaging sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera lenses:\u003c\/strong\u003e wide-field and Milky Way imaging with DSLR or mirrorless lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide scopes and finders:\u003c\/strong\u003e the shorter strip suits smaller tubes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873595320571498871201.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip on telescope and camera lens\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower source:\u003c\/strong\u003e any USB Type-A port able to supply the listed current — up to 2.2 A for the 400 mm strip. A USB power bank or a powered USB port on a power box covers this.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarger telescopes:\u003c\/strong\u003e SVBONY offers the SV172 430mm PWM strip and the 12V SV192 for larger tubes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873596609512076956267.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip compatibility and specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385873592057677726239389.jpg?v=1791667879\" alt=\"SVBONY SV172 dew heater strip usage and compatibility\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593884511263513318599.webp?v=1791665047\" alt=\"SVBONY SV172 dew heater strip comparison chart of 240mm, 320mm, 400mm and 430mm PWM versions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB current:\u003c\/strong\u003e some computer USB ports supply less than the strip draws; a power bank or a power box USB port rated at 2A or more runs it at full output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController:\u003c\/strong\u003e heat is set with the three-level inline regulator; this strip has no PWM input for automatic controllers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Wrap the strip around the dew shield or lens barrel just behind the front optic, fasten the strap, plug it into a USB port and pick a heat level.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich length do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMatch the heater length to the circumference of your dew shield or lens. SVBONY lists the 320 mm for the SV503 70ED and the 400 mm for the SV48P 90, SV503 80ED and SV550 80APO.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it run from a power bank?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It plugs into a standard USB Type-A port.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work on a camera lens?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists it as compatible with DSLR camera lenses.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 50 mm wide, 5V USB dew heater strip in three heater lengths with a three-level regulator, for keeping refractors, guide scopes and camera lenses clear of dew.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"240mm","offer_id":67721422602351,"sku":"W9132A","price":23.0,"currency_code":"CAD","in_stock":true},{"title":"320mm","offer_id":67721422635119,"sku":"W9132B","price":24.21,"currency_code":"CAD","in_stock":true},{"title":"400mm","offer_id":67721422667887,"sku":"W9132C","price":23.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806104316_4178_20260820163541_0262.webp?v=1791665177"},{"product_id":"svbony-sv230-8-20mm-aspheric-zoom-eyepiece","title":"SVBONY SV230 8-20mm Aspheric Zoom Eyepiece (1.25″ and 2″)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-1_20250905190206_8933.jpg?v=1791667829\" alt=\"SVBONY SV230 8-20mm aspheric zoom eyepiece key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV230 is an 8–20 mm click-stop zoom eyepiece with both 1.25″ and 2″ barrels. The apparent field runs from 72° at 8 mm to 57° at 20 mm, eye relief is 17–19 mm, and the optics are a fully multi-coated 9-element, 6-group design that includes double-sided aspheric lenses to control edge distortion. It weighs 500 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-13_20250905190937_1492.jpg?v=1791667829\" alt=\"SVBONY SV230 continuous zoom from 8mm to 20mm\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-3_20250905190338_3816.jpg?v=1791667829\" alt=\"SVBONY SV230 panoramic wide-angle field of view\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-4_20250905190405_2845.jpg?v=1791667830\" alt=\"SVBONY SV230 apparent field from 72 to 57 degrees across the zoom\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want one eyepiece that covers medium to high power across the planets, the Moon and brighter deep-sky objects, observe with glasses, or use both 1.25″ and 2″ diagonals.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8–20 mm zoom with click-stops:\u003c\/strong\u003e repeatable magnification steps that are easy to find in the dark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72° to 57° apparent field:\u003c\/strong\u003e the field widens toward the high-power end, where a wide view helps keep a planet in the eyepiece on an undriven mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9 elements in 6 groups, including aspherics:\u003c\/strong\u003e double-sided aspheric glass reduces distortion at the field edge; all optics are fully multi-coated with blackened lens edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17–19 mm eye relief:\u003c\/strong\u003e with an adjustable rubber eyecup, usable with eyeglasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParfocal across the zoom range:\u003c\/strong\u003e focus holds as you zoom, with at most a small touch-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ and 2″ barrels:\u003c\/strong\u003e both included, stainless steel, threaded M28.5 x 0.6 and M48 x 0.75 for filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDioptrx compatible:\u003c\/strong\u003e SVBONY lists Dioptrx mounting as supported.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-14_20250905191014_1481.jpg?v=1791667829\" alt=\"SVBONY SV230 long eye relief for eyeglass wearers\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-16_20250905191043_9860.jpg?v=1791667830\" alt=\"SVBONY SV230 adjustable rubber eyecup\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-15_20250905191027_4634.jpg?v=1791667829\" alt=\"SVBONY SV230 rubber eyecup detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eZoom eyepieces trade some field width for convenience, and edge sharpness is where simpler designs give ground. The SV230 uses nine elements in six groups, with double-sided aspheric lenses that SVBONY specifies to suppress distortion toward the field edge. Because the apparent field grows as focal length shortens, the true field shrinks less than it would with a fixed-field zoom when you step up in power.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-9_20250905190716_8424.jpg?v=1791667829\" alt=\"SVBONY SV230 aspheric lens design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-11_20250905190845_5122.jpg?v=1791667830\" alt=\"SVBONY SV230 fully multi-coated optics\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-12_20250905190912_0739.jpg?v=1791667829\" alt=\"SVBONY SV230 blackened lens edges\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar observing:\u003c\/strong\u003e step up through the click-stops until the seeing sets the limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClusters and brighter deep-sky objects:\u003c\/strong\u003e the 20 mm end gives a moderate-power starting view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble stars:\u003c\/strong\u003e fine-tune magnification to split a pair.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-10_20250905190829_2113.jpg?v=1791667829\" alt=\"SVBONY SV230 parfocal zoom\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrels:\u003c\/strong\u003e 1.25″ and 2″ barrels are both included, so it fits either size of diagonal or focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e M28.5 x 0.6 thread on the 1.25″ barrel and M48 x 0.75 on the 2″ barrel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera projection:\u003c\/strong\u003e SVBONY notes an M43 T-mount connection through an M43-T adapter, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e divide your telescope's focal length by the eyepiece focal length. On a 1000 mm telescope the SV230 gives 50x at 20 mm and 125x at 8 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-5_20250905190503_9665.jpg?v=1791667829\" alt=\"SVBONY SV230 dual 1.25 inch and 2 inch interfaces\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-7_20250905190610_2790.jpg?v=1791667829\" alt=\"SVBONY SV230 1.25 inch and 2 inch barrels\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9185a-8_20250905190656_2263.jpg?v=1791667829\" alt=\"SVBONY SV230 astigmatism corrector support and M43 T-mount\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and weight:\u003c\/strong\u003e at 500 g and 60 mm outer diameter it is a substantial eyepiece; balance on lighter alt-az mounts may need adjusting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera adapter:\u003c\/strong\u003e the M43-T adapter for camera projection is not included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Choose the 1.25″ or 2″ barrel to suit your diagonal, insert it, and turn the zoom ring to a click-stop. Focus holds across the range with at most a small adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with glasses?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Eye relief is 17–19 mm and the rubber eyecup adjusts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it take filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. 1.25″ filters thread onto the 1.25″ barrel (M28.5 x 0.6) and 2″ filters onto the 2″ barrel (M48 x 0.75).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does it differ from the SV215?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SV230 covers 8–20 mm with a field up to 72° and longer eye relief; the SV215 covers the shorter 3–8 mm planetary range in a 1.25″ barrel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: an 8–20 mm click-stop zoom eyepiece with aspheric optics, a 72° to 57° field and 17–19 mm eye relief, supplied with both 1.25″ and 2″ barrels.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721422864495,"sku":"W9185A","price":427.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9185A-0_20251210141527_5819.webp?v=1791665183"},{"product_id":"svbony-sv165-40mm-f-4-mini-guide-scope","title":"SVBONY SV165 40mm f\/4 Mini Guide Scope","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327453447745001266222.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm f\/4 mini guide scope key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV165 40 mm is a compact f\/4 guide scope for autoguiding deep-sky imaging rigs. Its two-element, fully multi-coated objective gives a 160 mm focal length. Focus is set with a front-part focuser that has a scale and locking ring, with 15 mm of travel, and the camera end accepts 1.25″ nosepieces and T2 threads with 12.5 mm of back focus. The aluminium body measures 179 x 114 x 59 mm and weighs 449.8 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327455350751352047176.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327456996883403520596.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope overview for autoguiding\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327460209399597199415.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope overview for deep-sky imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image deep-sky targets with a telescope of up to 700 mm focal length and want a guide scope with a little more aperture than the 30 mm version, for more guide-star choice in sparse fields, while keeping weight under half a kilogram.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 mm f\/4 objective:\u003c\/strong\u003e two-element, fully multi-coated, 160 mm focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront focuser with scale and locking ring:\u003c\/strong\u003e 15 mm of travel; the scale lets you return to a known focus position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ and T2 camera interface\u003c\/strong\u003e with 12.5 mm back focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix-point guide ring:\u003c\/strong\u003e adjusts alignment of the guide scope relative to the main telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium body\u003c\/strong\u003e with a sandblasted, oxidized finish; 449.8 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327461724778903271809.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope key features and design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327463293662172879623.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope front focuser with scale and locking ring\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327464630691928962058.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope six-point guide ring\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA two-element, fully multi-coated 40 mm objective at f\/4 gives 160 mm of focal length. The extra aperture over a 30 mm guide scope collects more light per guide star, while the fast focal ratio keeps guide exposures short. SVBONY rates it for main telescopes with focal lengths up to 700 mm, a range where a 160 mm guide focal length keeps the guiding image scale close enough to the imaging scale for accurate corrections.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327466423697405197872.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm f\/4 guide scope optical design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327468437875912385236.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope two-element multi-coated objective\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327469841101124034156.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope 160 mm focal length guiding\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding\u003c\/strong\u003e deep-sky astrophotography with PHD2 or similar software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding refractors and short reflectors\u003c\/strong\u003e up to 700 mm focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact imaging rigs\u003c\/strong\u003e where weight on the main telescope matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327471357848308092657.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope recommended uses for autoguiding\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327481209681613042972.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope on a compact imaging rig\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327482965948628795181.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope guiding refractors up to 700 mm\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain telescope:\u003c\/strong\u003e SVBONY specifies it for telescopes with focal lengths within 700 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide cameras:\u003c\/strong\u003e the 1.25″ and M42 interface accepts guide cameras such as the SVBONY SV305 Pro and ZWO, QHY and Orion models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocusing:\u003c\/strong\u003e SVBONY notes that T2 extension tubes can assist in reaching focus with some cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus:\u003c\/strong\u003e 12.5 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327484640307203064516.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope camera compatibility\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327485985944692052208.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope specifications and back focus\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381327487280810042364104.jpg?v=1791667876\" alt=\"SVBONY SV165 40mm guide scope dimensions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide camera sold separately:\u003c\/strong\u003e this listing is the guide scope alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal-length range:\u003c\/strong\u003e it is specified for main telescopes up to 700 mm; longer focal lengths are usually better served by an off-axis guider. Get in touch if you would like help choosing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage contents:\u003c\/strong\u003e SVBONY does not publish a contents list for this model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the scope, insert or thread the guide camera, focus on a bright star using the front focuser, and lock it with the locking ring. The focus scale lets you return to the same position next session.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it different from the SV165 30 mm?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt has 40 mm of aperture and 160 mm focal length versus 30 mm and 120 mm, and a front-part focuser with a scale instead of a helical focuser.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat telescopes does it suit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY specifies main telescopes with focal lengths up to 700 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich guide cameras fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCameras with a 1.25″ nosepiece or T2\/M42 thread, including the SVBONY SV305 Pro and ZWO, QHY and Orion guide cameras.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 40 mm f\/4 guide scope with 160 mm focal length, a scaled front focuser and 1.25″\/T2 camera fit, for guiding imaging telescopes up to 700 mm focal length once a guide camera is added.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721422995567,"sku":"W9125B","price":84.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9125b-1_20250908151840_0858_20260814153638_0182.webp?v=1791665185"},{"product_id":"svbony-sv605cc-cooled-colour-astronomy-camera-sony-imx533","title":"SVBONY SV605CC Cooled Colour Astronomy Camera (Sony IMX533)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-1_20251027115920_1089.jpg?v=1791667825\" alt=\"SVBONY SV605CC cooled colour camera key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV605CC is a cooled one-shot-colour astronomy camera built around the Sony IMX533 sensor. The square 1″-format chip (15.968 mm diagonal) records 3008 x 3008 pixels at 3.76 µm, with a 50 ke⁻ full well, 0.91 peak QE and 14-bit output. A two-stage TEC cooler takes the sensor down to 30 °C below ambient for long deep-sky exposures, and a 256 MB DDR3 buffer sits behind the USB 3.0 interface.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-2_20251027115930_8922.jpg?v=1791667825\" alt=\"SVBONY SV605CC product overview panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-3_20251027115938_2130.jpg?v=1791667825\" alt=\"SVBONY SV605CC product overview feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image nebulae, galaxies and star clusters with a small to mid-sized refractor or reflector and want a cooled colour camera with a square field, so framing works without rotating the camera. It also suits imaging from suburban or city skies with a dual-band narrowband filter, where the cooled sensor keeps noise down across long integrations.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX533 colour CMOS:\u003c\/strong\u003e 9.0 MP, 3008 x 3008, 3.76 µm pixels on a square 1″ sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage TEC cooling:\u003c\/strong\u003e sensor cooled to 30 °C below ambient, with temperature shown in the capture software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp-glow suppression:\u003c\/strong\u003e SVBONY designs the camera to suppress residual sensor glow that otherwise costs signal-to-noise in long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14-bit ADC, 50 ke⁻ full well:\u003c\/strong\u003e wide tonal range for bright star cores and faint nebulosity in the same frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e256 MB DDR3 buffer and USB 3.0 Type-B:\u003c\/strong\u003e up to 20 fps at full resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure range:\u003c\/strong\u003e 0.05 ms to 2000 s, with ROI and binning from BIN1 to BIN4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR-coated optical glass window\u003c\/strong\u003e in front of the sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-4_20251027115944_5834_20260714094833_3311.webp?v=1791667825\" alt=\"SVBONY SV605CC key features panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-5_20251027115954_1614.jpg?v=1791667825\" alt=\"SVBONY SV605CC key features and design panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-6_20251027120000_3391.jpg?v=1791667825\" alt=\"SVBONY SV605CC cooling and design feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCamera Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe IMX533 is a rolling-shutter colour sensor with a 1:1 aspect ratio. Its 3.76 µm pixels give a balanced image scale on common imaging focal lengths of roughly 400–1000 mm, and the 15.968 mm diagonal is small enough for most flatteners and reducers to cover cleanly. SVBONY lists read noise at 1.0–3.3 e⁻, with lower noise in high-conversion-gain mode. The cooler lowers dark current for consistent calibration frames, and the 14-bit ADC records 16,384 levels per pixel.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-7_20251027120007_1199_20260714114812_6819.webp?v=1791667826\" alt=\"SVBONY SV605CC IMX533 camera design panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-8_20251027120013_5197.jpg?v=1791667825\" alt=\"SVBONY SV605CC IMX533 sensor design panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-9_20251027120019_6324_20260714114714_4092.webp?v=1791667825\" alt=\"SVBONY SV605CC camera design detail panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep-sky imaging:\u003c\/strong\u003e emission nebulae, galaxies and clusters in colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-band narrowband imaging:\u003c\/strong\u003e H-alpha and OIII with a dual-band filter from light-polluted skies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronically assisted astronomy:\u003c\/strong\u003e live stacking in SharpCap and similar software.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-10_20251027120025_9747_20260714095525_1826.webp?v=1791667825\" alt=\"SVBONY SV605CC recommended uses panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-11_20251027120042_3560.jpg?v=1791667825\" alt=\"SVBONY SV605CC deep-sky imaging uses panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront interface:\u003c\/strong\u003e SVBONY lists 2″, 1.25″ and M42 x 0.75 connection options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus:\u003c\/strong\u003e SVBONY publishes the back focus as “6.5mm\/17.5”. With a flattener or reducer that needs 55 mm, the remaining distance is made up with M42 spacers — send us your telescope, corrector and filter setup and we will work out the spacer stack with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware and platforms:\u003c\/strong\u003e Windows, Linux, macOS, Chrome OS and Raspberry Pi; SharpCap, N.I.N.A. and AstroDMx Capture are supported.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e a UV\/IR cut filter or a dual-band filter such as the SVBONY SV220 can sit in the imaging train ahead of the camera.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-12_20251027120048_1835.jpg?v=1791667825\" alt=\"SVBONY SV605CC compatibility and interface panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198k-13_20251027120418_7253.jpg?v=1791667825\" alt=\"SVBONY SV605CC compatibility and accessory panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer or controller required:\u003c\/strong\u003e the camera runs from capture software over USB 3.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e SVBONY lists operating current under 300 mA and standby current under 30 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRolling shutter, colour sensor:\u003c\/strong\u003e designed for imaging, with no application in visual observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis listing is the camera only;\u003c\/strong\u003e the filter and adapter bundles SVBONY offers are separate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Install the driver and capture software, connect USB 3.0 and power, then thread or slide the camera into your imaging train. Setting the back-focus distance for a flattener is the one step that takes measuring, and we are happy to help with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow cold does it get?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY specifies cooling to 30 °C below ambient with its two-stage TEC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with a dual-band filter in the city?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY designs the SV605CC for use with dual narrowband filters under urban skies.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a square sensor?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA 1:1 frame fits round and compact targets well and gives the same field in both axes, so camera rotation matters less when framing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work on a Raspberry Pi?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists Raspberry Pi and Linux support alongside Windows, macOS and Chrome OS.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a cooled colour deep-sky camera with a square Sony IMX533 sensor, 3.76 µm pixels, 50 ke⁻ full well and 14-bit output, cooled to 30 °C below ambient for long, low-noise integrations.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721424371823,"sku":"F9198K","price":669.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/sv605cc-f9198k-1_20251125133808_8644.webp?v=1791665192"},{"product_id":"svbony-sv220-2-7nm-h-alpha-oiii-dual-band-filter","title":"SVBONY SV220 2″ 7nm H-Alpha \u0026 OIII Dual-Band Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369372334549875781772.jpg?v=1791667852\" alt=\"SVBONY SV220 7nm H-alpha and OIII dual-band filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV220 is a 2″ dual-band narrowband filter with two 7 nm passbands, one centred on OIII at 500.7 nm and one on H-alpha at 656.3 nm. SVBONY rates peak transmission above 90% at OIII and above 94% at H-alpha, with OD5 blocking across a 300–1100 nm working range. The filter is built on a 1.80 mm substrate with a 44 mm clear aperture, 60\/40 surface quality and 1\/4λ parallelism, mounted in an M48 x 0.75 cell. It weighs 12.5 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369375177755491276519.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter bringing out deep-sky nebula detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369376798699968785762.jpg?v=1791667852\" alt=\"SVBONY SV220 OIII and H-alpha 7nm passbands reducing light pollution\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image emission nebulae with a one-shot-colour camera, especially from a suburban or city backyard, or when the Moon is up. Because both emission lines pass in a single exposure, a colour camera records hydrogen and oxygen detail together without a filter wheel.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387244835527968301332234.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter key features and design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 7 nm passbands:\u003c\/strong\u003e isolates OIII (500.7 nm) and H-alpha (656.3 nm) emission and rejects most of the spectrum between and around them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh line transmission:\u003c\/strong\u003e T\u0026gt;90% at OIII and T\u0026gt;94% at H-alpha.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOD5 blocking:\u003c\/strong\u003e suppresses mercury-vapour and sodium-vapour street lighting, airglow from atmospheric neutral oxygen, and general sky glow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical quality:\u003c\/strong\u003e 60\/40 surface quality and 1\/4λ surface parallelism on a 1.80 mm substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2″ M48 x 0.75 cell:\u003c\/strong\u003e 44 mm clear aperture for larger sensors and 2″ imaging trains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369380564452768498194.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter OD5 blocking and optical quality\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369382041458956095111.jpg?v=1791667852\" alt=\"SVBONY SV220 nebula imaging from light-polluted city or under a full moon\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369384090793743066059.jpg?v=1791667851\" alt=\"SVBONY SV220 dual-band filter recommended uses for emission nebulae\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae:\u003c\/strong\u003e hydrogen regions such as the North America, Rosette and Heart nebulae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae and supernova remnants:\u003c\/strong\u003e targets where OIII and H-alpha structure carry the image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-polluted or moonlit imaging:\u003c\/strong\u003e narrow passbands keep the sky background dark from urban sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBicolour (HOO) processing:\u003c\/strong\u003e the two lines can be separated from colour-camera data in processing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369386228837255680093.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter nebula imaging applications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369387402006221181094.jpg?v=1791667852\" alt=\"SVBONY SV220 2-inch M48 filter compatibility\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369389728950705111721.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter use with colour cameras and imaging trains\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M48 x 0.75, the standard 2″ filter thread, for 2″ filter drawers, filter wheels, camera adapters and 2″ nosepieces with filter threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e designed as an OSC (one-shot-colour) filter; it also works with mono cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal ratio:\u003c\/strong\u003e SVBONY rates it for telescopes at f\/4 and slower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSHO colour with a colour camera:\u003c\/strong\u003e SVBONY pairs it with the SV220 2″ 7nm SII \u0026amp; OIII filter, which supplies the sulphur data for a Hubble-palette blend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter drawers:\u003c\/strong\u003e the SVBONY SV226 filter drawers take 2″ M48 filters for quick swapping without removing the camera.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369391629416504375686.jpg?v=1791667852\" alt=\"SVBONY SV220 2-inch filter compatibility and accessory details\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369393049881724054907.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter details to know before ordering\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369394335091831892928.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter construction details\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging only:\u003c\/strong\u003e the filter is designed for cameras and has no application for eyepiece viewing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a solar filter:\u003c\/strong\u003e it provides no protection for observing or imaging the Sun.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast optics:\u003c\/strong\u003e narrowband passbands shift toward shorter wavelengths in a steep light cone, which can clip the H-alpha line. SVBONY specifies f\/4 or slower, which excludes f\/2 systems such as RASA-type astrographs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e this listing is the 2″ M48 version. SVBONY also makes a 1.25″ SV220 with an M28.5 x 0.6 thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle thread:\u003c\/strong\u003e the cell is threaded on one side.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369395503526377102669.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter cell and thread details\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369396725901629739765.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter performance data\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6381369398047470475187046.jpg?v=1791667852\" alt=\"SVBONY SV220 dual-band filter specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into any M48 x 0.75 filter thread or drops into a 2″ filter drawer slot, and focus is set as usual with the filter in place.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with a DSLR or colour astronomy camera?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It is designed for one-shot-colour sensors, which record H-alpha in the red channel and OIII in the green and blue channels in a single exposure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work on my f\/2 astrograph?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY specifies f\/4 or slower. Below that, band shift can push the H-alpha line outside the passband. If you are unsure where your system sits, send us the telescope and reducer details and we will check it with you.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does it compare with a broadband light-pollution filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA broadband filter passes several wide windows and suits galaxies and star fields. The SV220's 7 nm passbands pass far less sky glow and suit emission nebulae, at the cost of star colour.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″ M48 dual-band filter with 7 nm H-alpha and OIII passbands and OD5 blocking, for colour-camera nebula imaging from bright skies on telescopes at f\/4 and slower.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721425649775,"sku":"W9172B","price":173.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9172B_20260623173702_8974_20260806133410_4267.webp?v=1791665208"},{"product_id":"svbony-sv172-430mm-usb-dew-heater-strip-with-pwm-function","title":"SVBONY SV172 430mm USB Dew Heater Strip with PWM Function","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593858452197608290352.webp?v=1791667878\" alt=\"SVBONY SV172 430mm PWM dew heater strip key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV172 430mm is the longest strip in the SV172 USB dew heater line and the only one with PWM heating. It has a 430 mm heated section (550 mm overall), runs from 5V on a USB Type-A plug at 2 A and 10 W, and pulses its heating element rather than running it continuously, which gives finer temperature control and lower average power draw. The power cord is a 1.2 m silicone cable.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9132d-2_20250908152427_3631.jpg?v=1791665209\" alt=\"SVBONY SV172 430mm PWM dew heater strip product view\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you use a 100–105 mm class refractor or Maksutov and want a dew heater that runs from a USB power bank, hub or power box. SVBONY lists it for the MK105, SV48P 102 and SV503 102ED.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM heating:\u003c\/strong\u003e intermittent pulsed heating holds the optic above the dew point without overheating it, uses less energy than continuous heating, and responds faster to temperature changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e430 mm heated length:\u003c\/strong\u003e covers the larger dew shields of 100 mm class telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V USB power:\u003c\/strong\u003e 2 A, 10 W from a USB Type-A port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayered construction:\u003c\/strong\u003e imitation OK cloth, SBR, Black-T, aluminium film and a pure cotton layer for even heat spread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone power cord:\u003c\/strong\u003e 1.2 m, stays flexible in cold weather.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593859737905857818151.webp?v=1791665048\" alt=\"SVBONY SV172 430mm PWM dew heater strip layered material construction diagram\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593861506668261493133.webp?v=1791667878\" alt=\"SVBONY SV172 430mm PWM heating function\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593862561301567461301.webp?v=1791667879\" alt=\"SVBONY SV172 430mm dew heater strip hot-stamped logo detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractor and Maksutov dew prevention:\u003c\/strong\u003e keeps the objective or corrector clear through long sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered field setups:\u003c\/strong\u003e PWM heating stretches power bank run time compared with continuous heating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera lenses:\u003c\/strong\u003e SVBONY lists the SV172 line as compatible with cameras as well as telescopes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593863941933202083148.webp?v=1791667878\" alt=\"SVBONY SV172 430mm dew heater strip compatible with telescope and camera\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY-listed telescopes:\u003c\/strong\u003e MK105, SV48P 102, SV503 102ED.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther telescopes:\u003c\/strong\u003e measure the circumference where the strip will sit and compare it with the 430 mm heated length. Send us the measurement and we will confirm the fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower source:\u003c\/strong\u003e a USB Type-A port able to supply 2 A, such as a power bank or a power box USB port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmaller tubes:\u003c\/strong\u003e the standard SV172 comes in 240, 320 and 400 mm heater lengths.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384593884511263513318599.webp?v=1791665047\" alt=\"SVBONY SV172 dew heater strip comparison chart of 240mm, 320mm, 400mm and 430mm PWM versions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9132d-3_20250908152429_1851.jpg?v=1791665210\" alt=\"SVBONY SV172 430mm PWM dew heater strip detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB current:\u003c\/strong\u003e the strip draws 2 A; some computer USB ports supply less, while a power bank or power box USB port rated at 2 A or more runs it at full output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable length:\u003c\/strong\u003e the 1.2 m cord is shorter than the 1.8 m cord on the other SV172 strips, so a power source mounted on the telescope or mount suits it best.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Wrap the strip around the dew shield just behind the front optic, fasten the strap and plug it into a USB port.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does PWM add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePWM pulses the heater on and off rather than running it continuously. That holds the temperature more precisely, reduces energy use and helps extend the heating element's life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does it differ from the 400 mm SV172?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is 30 mm longer in the heated section, adds PWM heating, draws 2 A \/ 10 W, and uses a 1.2 m silicone cord with a cotton layer in the strip.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich telescopes does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY lists the MK105, SV48P 102 and SV503 102ED.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 430 mm, 5V USB dew heater strip with PWM heating, sized for 100 mm class refractors and Maksutovs and efficient enough to run from a power bank.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721425780847,"sku":"W9132D","price":25.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9132d-1_20250908152425_2948_20260820161429_3924.webp?v=1791665209"},{"product_id":"svbony-sv405cc-cooled-colour-osc-camera-sony-imx294","title":"SVBONY SV405CC Cooled Colour OSC Camera (Sony IMX294)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/F9198F-0_20251210142315_8232.webp?v=1791665235\" alt=\"SVBONY SV405CC cooled colour OSC astronomy camera\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV405CC is a cooled one-shot-colour astronomy camera using the Sony IMX294 back-illuminated sensor. The 4\/3″ chip measures 19.2 x 13 mm (23.2 mm diagonal) and records 4144 x 2822 pixels at 4.63 µm, with 1.2 e⁻ read noise, a 63 ke⁻ full well, 0.75 peak QE and 14-bit output. Two-stage TEC cooling takes the sensor to 30 °C below ambient, and a 256 MB DDR3 buffer supports USB 3.0 transfer.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-1_20251027110810_3219.jpg?v=1791665236\" alt=\"SVBONY SV405CC product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image extended nebulae and large galaxies with a short to mid focal-length refractor and want a cooled colour camera with a large sensor and wide field. The 4.63 µm pixels pair well with faster telescopes and longer focal lengths where smaller pixels would oversample.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX294 back-illuminated sensor:\u003c\/strong\u003e 11.7 MP, 4144 x 2822, 4.63 µm pixels on a 4\/3″ format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage TEC cooling:\u003c\/strong\u003e sensor cooled to 30 °C below ambient to cut dark current on long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow read noise and HCG mode:\u003c\/strong\u003e 1.2 e⁻ read noise; high-conversion-gain mode switches on automatically at gain 120 and above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63 ke⁻ full well, 14-bit ADC:\u003c\/strong\u003e wide dynamic range for bright cores and faint outer structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 Type-B with 256 MB DDR3 buffer:\u003c\/strong\u003e 19 fps at full resolution in RAW8, 16 fps in RAW16.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure range:\u003c\/strong\u003e 0.05 ms to 2000 s.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1600x837_20251027111400_5716.jpg?v=1791667816\" alt=\"SVBONY SV405CC two-stage TEC cooling to 30 °C below ambient\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCamera Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe IMX294 is a large back-illuminated colour CMOS sensor with comparatively big 4.63 µm pixels. That pixel size gives a deep 63 ke⁻ well. At 23.2 mm diagonal, the sensor asks more of a telescope's corrected field than smaller chips do, so a flattener or reducer rated for 4\/3″ coverage keeps the corners round. HCG mode lowers read noise above gain 120, which helps shorter sub-exposures under light-polluted skies.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-2_20251027110838_7645.jpg?v=1791665235\" alt=\"SVBONY SV405CC camera design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-3_20251027110841_4445.jpg?v=1791665235\" alt=\"SVBONY SV405CC IMX294 sensor camera design detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field deep-sky imaging:\u003c\/strong\u003e large emission nebulae, the Milky Way's dense star fields, nearby galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband colour imaging:\u003c\/strong\u003e with a dual-band filter from suburban skies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronically assisted astronomy:\u003c\/strong\u003e live stacking in SharpCap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObservatory and remote use:\u003c\/strong\u003e ASCOM support for TheSkyX and N.I.N.A.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-4_20251027110843_7445.jpg?v=1791665235\" alt=\"SVBONY SV405CC recommended uses for deep-sky imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware and platforms:\u003c\/strong\u003e Windows, Linux, macOS, Chrome OS and Raspberry Pi; SharpCap, N.I.N.A. and TheSkyX via ASCOM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrectors:\u003c\/strong\u003e choose a flattener or reducer whose image circle covers a 23.2 mm diagonal. Send us your telescope and filter setup and we will confirm the spacing with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e SVBONY offers this camera with 1.25″ and 2″ UV\/IR cut, 2″ UHC and 2″ narrowband filter bundles; this listing is the camera only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-5_20251027110845_9870.jpg?v=1791665235\" alt=\"SVBONY SV405CC compatibility and connections\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-6_20251027110848_1923.jpg?v=1791665236\" alt=\"SVBONY SV405CC compatibility and accessory notes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198f-7_20251027110850_5485.jpg?v=1791665235\" alt=\"SVBONY SV405CC camera interface detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer or controller required:\u003c\/strong\u003e the camera runs from capture software over USB 3.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus:\u003c\/strong\u003e SVBONY does not publish the sensor back-focus figure on the product page; we can confirm it for your imaging train before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging only:\u003c\/strong\u003e it has no application in visual observing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Install the driver and capture software, connect USB 3.0 and power, and attach the camera to your imaging train. Spacing to a flattener is the step that takes measuring, and we can work it out with you.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does it cool?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY specifies two-stage TEC cooling to 30 °C below ambient.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen does HCG mode switch on?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAutomatically at gain 120 and above, lowering read noise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the sensor large enough for wide fields?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 4\/3″ sensor (19.2 x 13 mm) gives a wide field on short refractors; the telescope's corrector needs to cover a 23.2 mm diagonal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with ASCOM software?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists support for TheSkyX via ASCOM, along with SharpCap and N.I.N.A.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a cooled colour deep-sky camera with a large Sony IMX294 sensor, 4.63 µm pixels, 63 ke⁻ full well and 1.2 e⁻ read noise, cooled to 30 °C below ambient for wide-field imaging.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721428041839,"sku":"F9198F","price":833.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/F9198F-0_20251210142315_8232.webp?v=1791665235"},{"product_id":"svbony-sv192-12v-dew-heater-strip","title":"SVBONY SV192 12V Dew Heater Strip","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387028553497953677536650.jpg?v=1791667879\" alt=\"SVBONY SV192 12V dew heater strip key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV192 is a 12V dew heater strip for telescopes and camera lenses. The 480 x 50 mm heater belt runs from 12V DC through a 5.5 x 2.1 mm female connector, draws 1.7 A ±0.1 A for 19.2–21.6 W, and has a three-speed regulator. It weighs 65 g. SVBONY lists it for optics with an outside diameter below 152 mm (178 mm), and for camera lenses.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806191606_7859_20260810095957_4646.webp?v=1791665240\" alt=\"SVBONY SV192 12V dew heater strip product view\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if your rig already runs on 12V — a power box, battery or mains supply — and you want more heating power than a 5V USB strip delivers, for refractors, small Maksutovs and SCTs, or camera lenses on damp nights.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V DC input:\u003c\/strong\u003e 5.5 x 2.1 mm female interface, compatible with common 12V power sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19.2–21.6 W output:\u003c\/strong\u003e roughly twice the power of the 5V USB SV172 strips, for faster warm-up and heavier dew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-speed regulator:\u003c\/strong\u003e a fast initial heat, then medium or weak settings for steady running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 mm belt width:\u003c\/strong\u003e sits behind the front optic without affecting focus or causing vignetting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-layer insulation:\u003c\/strong\u003e imitated OK cloth, SBR and Black-T reduce heat loss, with a built-in aluminium film spreading heat evenly with no cold spots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPE silica power cord:\u003c\/strong\u003e 1 m long, stays flexible at low temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20250806191608_9214.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip features\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20250806191610_7168.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip construction detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractor and catadioptric dew prevention:\u003c\/strong\u003e keeps the objective or corrector clear through long sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera lenses:\u003c\/strong\u003e wide-field and nightscape imaging in humid conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost-prone nights:\u003c\/strong\u003e the higher wattage helps keep optics clear when dew would otherwise freeze.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20250806191612_7606.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip in use\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e SVBONY lists the SV192 for optics with an outside diameter below 152 mm (178 mm). To confirm, measure the circumference where the strip will sit and compare it with the 480 mm belt; send us the figure and we will check it with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e a 12V DC source with a 5.5 x 2.1 mm output and at least 1.8 A available, such as a power box, battery or regulated supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower boxes with RCA outputs:\u003c\/strong\u003e those connect through a 5.5 x 2.1 mm adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/5_20250806191615_4845.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip compatibility\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6_20250806191617_1297.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip power connection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V only:\u003c\/strong\u003e this strip does not run from a USB port. For USB power, SVBONY offers the SV172 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt size:\u003c\/strong\u003e this listing is the 480 mm belt (W9151A). SVBONY also makes a 560 mm belt (W9151B); get in touch if you need the longer size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Wrap the belt around the dew shield or lens just behind the front optic, fasten it, plug it into a 12V supply and set the regulator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it different from the SV172?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SV192 runs on 12V at about 20 W through a 5.5 x 2.1 mm plug; the SV172 runs on 5V USB at 7–10 W. The SV192 heats faster and copes with heavier dew, and the SV172 runs from a USB power bank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size telescope does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY lists optics with an outside diameter below 152 mm (178 mm), plus camera lenses.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 65 g, 12V dew heater strip with a 480 x 50 mm belt, about 20 W of heat and a three-speed regulator, for telescopes under 152 mm OD and camera lenses.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"480mm","offer_id":67721428172911,"sku":"W9151A","price":25.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806191606_7859_20260810095957_4646.webp?v=1791665240"},{"product_id":"svbony-sv225-alt-azimuth-mount","title":"SVBONY SV225 Alt-Azimuth Mount with Slow-Motion Controls","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385726117732829963063045.jpg?v=1792172644\" alt=\"SVBONY SV225 adjustable-angle alt-azimuth telescope mount\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV225 is a manual alt-azimuth mount head for visual astronomy and daytime terrestrial viewing. It takes your telescope on a Vixen-style dovetail saddle, threads onto a tripod through a UNC 3\/8″-16 base, and moves on both axes with variable-speed slow-motion controls. The CNC-machined metal head uses a hollowed structure to keep it to 2.34 kg while carrying up to 10 kg of additional load, which SVBONY rates as enough for its 122 mm SV550 refractor. Azimuth turns a full 360°, and altitude runs from -60° to +60°.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385726121367607113716105.jpg?v=1792172645\" alt=\"SVBONY SV225 CNC hollow structure, 2.34 kg mount head\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070020471895421630.jpg?v=1792172645\" alt=\"SVBONY SV225 CNC metal construction\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want a grab-and-go mount for a refractor, Maksutov or spotting scope and would rather point by hand than set up power, alignment or software. It works well as a first mount, since there is nothing to learn beyond loosening a lock and turning a control, and as a quick second rig for an experienced observer who wants a heavier tube on a light head. At 10 kg of payload it carries more than the compact SV225 MINI, which tops out at 5 kg.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen-style saddle:\u003c\/strong\u003e accepts the Vixen dovetail fitted to most small and mid-size telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNC 3\/8″-16 base thread:\u003c\/strong\u003e the standard large tripod thread; SVBONY lists it as compatible with Celestron, Sky-Watcher, Orion, Vixen and most mainstream astronomical equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable-speed slow motion on both axes:\u003c\/strong\u003e for keeping the Moon and planets centred at high magnification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-tuning control lever:\u003c\/strong\u003e for small corrections once a target is in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick adjustment handle:\u003c\/strong\u003e for fast, coarse repositioning between targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital marked dial:\u003c\/strong\u003e scales for returning to a known position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeightening bracket:\u003c\/strong\u003e raises the telescope saddle above the mount base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 kg payload, 2.34 kg head:\u003c\/strong\u003e CNC-machined hollow metal structure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687069883187821691351.jpg?v=1792172645\" alt=\"SVBONY SV225 UNC 3\/8-16 tripod thread\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687069937503364643647.jpg?v=1792172645\" alt=\"SVBONY SV225 Vixen-style dovetail saddle\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070049329188987802.jpg?v=1792172644\" alt=\"SVBONY SV225 quick adjustment handle\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eMechanical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBoth axes run through a helical (worm-type) drive, which gives the slow-motion controls a fine, even response and holds the telescope where you leave it. The variable-speed gearing lets you move quickly to a target and then slow right down to track it across the eyepiece field, and the separate fine-tuning lever handles the last small correction. The marked dial gives a reference scale on the axis so you can return to a position or step between objects a known distance apart.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687069966042152956341.jpg?v=1792172644\" alt=\"SVBONY SV225 variable-speed slow-motion gear\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070267796787977149.jpg?v=1792172646\" alt=\"SVBONY SV225 digital marked setting dial\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385726123949319839697587.jpg?v=1792172644\" alt=\"SVBONY SV225 fine-tuning control lever\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary observing\u003c\/strong\u003e with hand tracking through the slow-motion controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble stars and brighter deep-sky objects\u003c\/strong\u003e from the backyard or a dark-sky trip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier visual tubes\u003c\/strong\u003e up to 10 kg, including SVBONY's SV550 122 mm refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaytime terrestrial viewing\u003c\/strong\u003e with a spotting scope or small refractor on a Vixen bar.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070103607497315484.jpg?v=1792172644\" alt=\"SVBONY SV225 10 kg payload capacity\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070158584099897290.jpg?v=1792172645\" alt=\"SVBONY SV225 360 degree azimuth and -60 to +60 degree altitude\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope side:\u003c\/strong\u003e Vixen-style dovetail. A telescope in tube rings, or one with an Arca-Swiss or finder-style foot, attaches with a Vixen plate such as the \u003ca href=\"\/products\/svbony-sv239-185mm-double-sided-vixen-arca-swiss-dovetail-plate\"\u003eSVBONY SV239 dovetail plate\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripod side:\u003c\/strong\u003e UNC 3\/8″-16 female thread. The matching legs are the \u003ca href=\"\/products\/svbony-sv225t-extendable-aluminium-telescope-tripod\"\u003eSVBONY SV225T tripod\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra height:\u003c\/strong\u003e the \u003ca href=\"\/products\/svbony-sv225h-tripod-riser\"\u003eSVBONY SV225H riser\u003c\/a\u003e adds 240 mm between tripod and head, so a long refractor and diagonal clear the legs near the zenith.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePayload:\u003c\/strong\u003e 10 kg of additional load on the mount head. Your tripod's own rating also applies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383687070212888286778373.jpg?v=1792172644\" alt=\"SVBONY SV225 heightening bracket\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eIf you are not sure your telescope or tripod fits, send us the make and model and we will check it with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount head only:\u003c\/strong\u003e the tripod and telescope are sold separately; the SV225T and SV225H can be added with the checkboxes on this page.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual mount:\u003c\/strong\u003e there is no motor drive, GoTo or tracking; you follow objects with the slow-motion controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlt-azimuth motion:\u003c\/strong\u003e the field rotates during long exposures, so it suits visual use and short phone or camera shots of the Moon and planets rather than tracked deep-sky imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage contents:\u003c\/strong\u003e SVBONY does not publish an itemized contents list for the SV225.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Thread the head onto your tripod's 3\/8″-16 stud, slide the telescope's Vixen dovetail into the saddle and tighten the lock. There is no power, alignment or software involved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much weight can it carry?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY rates the SV225 for up to 10 kg of additional load, enough for its own SV550 122 mm refractor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it come with a tripod?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is the mount head only. The SV225T tripod is made to match it, and any tripod with a 3\/8″-16 stud also fits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it track the sky automatically?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a manual mount; the variable-speed slow-motion controls let you follow objects by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it different from the SV225 MINI?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SV225 carries 10 kg and weighs 2.34 kg; the SV225 MINI carries 5 kg and weighs 1546 g, for smaller travel setups.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2.34 kg manual alt-az head with a Vixen saddle, variable-speed slow motion on both axes and a 10 kg payload, ready to thread onto any 3\/8″-16 tripod for visual observing.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721428500591,"sku":"W9181A","price":194.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9181a_20251105091110_6708_20260814115538_3309.webp?v=1792172745"},{"product_id":"svbony-sv223-2-clicklock-dielectric-mirror-diagonal","title":"SVBONY SV223 2″ 90° Clicklock Dielectric Mirror Diagonal","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870419614457549257247.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch 90 degree dielectric mirror diagonal\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV223 2″ is a 90° mirror star diagonal with a dielectric-coated mirror rated at more than 99% reflectivity and 1\/10λ flatness on an 11.5 mm thick substrate. A Clicklock clamp holds 2″ eyepieces and accessories, a 2″-to-1.25″ adapter is included, and the telescope-side barrel carries an M48 x 0.75 filter thread. Clear aperture is 43 mm, optical length is approximately 109.1 mm, and it weighs 573.7 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870426108640766781949.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch 90 degree viewing angle\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe through a refractor, SCT or Maksutov with a 2″ focuser or visual back and want a comfortable viewing angle, a secure grip on heavy 2″ eyepieces, and the option to use 1.25″ eyepieces through the same diagonal.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDielectric mirror, \u0026gt;99% reflectivity:\u003c\/strong\u003e 1\/10λ flatness on an 11.5 mm thick substrate for a stable, flat reflecting surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClicklock clamp:\u003c\/strong\u003e a twist-to-lock clamp that centres and holds 2″ eyepieces or accessories quickly and securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e43 mm clear aperture:\u003c\/strong\u003e passes the full field of wide 2″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression rings:\u003c\/strong\u003e stainless steel compression rings on both the diagonal and the adapter help prevent barrels from marring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 x 0.75 filter thread:\u003c\/strong\u003e on the telescope-side barrel for 2″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e 573.7 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870421862665058543660.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch Clicklock locking mechanism\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870423083016402927862.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch high-reflectivity dielectric mirror\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870425031691949714654.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch compression ring\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing\u003c\/strong\u003e with refractors and catadioptric telescopes, from wide-field deep-sky sweeps to high-power planetary views.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy 2″ eyepieces\u003c\/strong\u003e and zoom eyepieces that benefit from a secure clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed eyepiece collections\u003c\/strong\u003e, using the included 2″-to-1.25″ adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870427886372636544287.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch before and after use comparison\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope side:\u003c\/strong\u003e 2″ barrel, fits 2″ focusers and visual backs; M48 x 0.75 thread for 2″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece side:\u003c\/strong\u003e 2″ Clicklock clamp; 1.25″ eyepieces fit with the included adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical length:\u003c\/strong\u003e approximately 109.1 mm, worth accounting for when reaching focus on refractors with limited inward travel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385870428911309512628163.jpg?v=1791667835\" alt=\"SVBONY SV223 2 inch diagonal with 1.25 inch adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV223 2″ 90° Clicklock dielectric diagonal\u003c\/li\u003e\n\u003cli\u003e2″ to 1.25″ adapter\u003c\/li\u003e\n\u003cli\u003eM4 screw (1)\u003c\/li\u003e\n\u003cli\u003eDust cap (1)\u003c\/li\u003e\n\u003cli\u003eDust plug (1)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage orientation:\u003c\/strong\u003e the view is upright but mirror-reversed left to right, as with any single-mirror diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use:\u003c\/strong\u003e a diagonal is for eyepiece observing; imaging cameras usually attach straight-through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight path:\u003c\/strong\u003e the 109.1 mm optical length adds to the focus position. If you are unsure whether your telescope reaches focus with a 2″ diagonal, send us the model and we will check it with you.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Insert the 2″ barrel into your focuser or visual back, then insert an eyepiece and twist the Clicklock ring to lock it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use 1.25″ eyepieces?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The included 2″-to-1.25″ adapter fits into the Clicklock clamp.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it take filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. 2″ filters thread onto the M48 x 0.75 telescope-side barrel, so one filter serves every eyepiece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a dielectric mirror?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDielectric coatings reflect more than 99% of the light and are more durable than standard aluminium coatings.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″ 90° dielectric mirror diagonal with \u0026gt;99% reflectivity, a Clicklock eyepiece clamp, a 43 mm clear aperture and a 1.25″ adapter included.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721428828271,"sku":"W9180B","price":153.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9180b-1_20250807165619_0071.jpg?v=1791665258"},{"product_id":"svbony-sv225t-extendable-aluminium-telescope-tripod","title":"SVBONY SV225T Extendable Aluminium Telescope Tripod","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387800212382227445504926.jpg?v=1791667886\" alt=\"SVBONY SV225T extendable aluminium telescope tripod key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV225T is an extendable aluminium-alloy tripod for small telescopes and alt-az mounts. Its legs have two telescoping sections with 32 mm tubes, it extends to 900 mm and folds to 500 mm, and it carries a mount on a 3\/8-16 UNC screw. The tripod weighs 2263 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388508026157197284396971.jpg?v=1791667886\" alt=\"SVBONY SV225T tripod product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you need a light, compact tripod for the SVBONY SV225 alt-az mount or for a small refractor or Maksutov, or want a portable support that packs down for travel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium-alloy construction:\u003c\/strong\u003e 32 mm leg tubes on an 83 mm chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage telescopic legs:\u003c\/strong\u003e 900 mm maximum height, 500 mm folded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8-16 UNC mounting screw:\u003c\/strong\u003e the standard large thread used by telescope mounts and heavier camera heads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubberized feet:\u003c\/strong\u003e with a stone-protruding pattern for grip on varied ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free setup\u003c\/strong\u003e with a level top platform.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387800112017882699506816.jpg?v=1791667886\" alt=\"SVBONY SV225T tripod aluminium alloy construction\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387800112048483306273669.jpg?v=1791667885\" alt=\"SVBONY SV225T tripod two-stage telescopic legs and rubberized feet\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387800112079059544971326.jpg?v=1791667885\" alt=\"SVBONY SV225T tripod tool-free setup and level top platform\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupporting the SVBONY SV225\u003c\/strong\u003e alt-azimuth mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable visual observing\u003c\/strong\u003e with small refractors and Maksutovs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel setups\u003c\/strong\u003e where folded length matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY lists compatibility with:\u003c\/strong\u003e the SV225 alt-az mount, SV48P 90\/102 refractors, MK90\/105\/127 Maksutov-Cassegrains and SV503 70\/80 telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad guidance:\u003c\/strong\u003e SVBONY recommends it for telescopes up to 100 mm aperture and 3 kg self-weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e UNC 3\/8-16 mounting screw.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387800112109089084196568.jpg?v=1791667885\" alt=\"SVBONY SV225T tripod compatibility and specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripod only:\u003c\/strong\u003e a mount head is sold separately; the SV225 alt-az mount is also available as a set with this tripod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e the 900 mm maximum height suits seated observing or refractors with a star diagonal; taller observers may prefer a seated position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage contents:\u003c\/strong\u003e SVBONY does not publish an itemized contents list.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Spread the legs, extend them to the height you want, lock them, and thread your mount onto the 3\/8-16 screw. No tools are needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit my mount?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny mount or head with a 3\/8-16 UNC female thread fits. SVBONY lists the SV225 alt-az mount as compatible.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size telescope can it hold?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY recommends telescopes up to 100 mm aperture and 3 kg self-weight.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2263 g aluminium tripod that extends to 900 mm and folds to 500 mm, with a 3\/8-16 screw for the SV225 mount and similar heads carrying small telescopes.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721429549167,"sku":"W9181C","price":119.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/SV225T_20251222101342_0278.webp?v=1791665273"},{"product_id":"svbony-sv305c-colour-planetary-camera-sony-imx662","title":"SVBONY SV305C Colour Planetary Camera (Sony IMX662)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751812441203905768815.jpg?v=1791667830\" alt=\"SVBONY SV305C colour planetary camera key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV305C is an uncooled colour astronomy camera for lunar and planetary imaging, built on the Sony IMX662 back-illuminated sensor. The 1\/2.8″ chip (5.6 x 3.2 mm, 6.44 mm diagonal) records 1920 x 1080 pixels at 2.9 µm, with read noise from 6.5 e⁻ down to 0.7 e⁻, roughly 91% peak QE, a 38 ke⁻ full well and 12-bit output over USB 2.0 at up to 24 fps.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751813820668166742965.jpg?v=1791667830\" alt=\"SVBONY SV305C IMX662 back-illuminated CMOS sensor\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want a compact colour camera for the Moon and planets on a Maksutov, SCT or long refractor, a camera for live-stacked EAA views, or a small camera that runs from a laptop or Raspberry Pi with a straightforward setup.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX662 back-illuminated sensor:\u003c\/strong\u003e 2.1 MP, 1920 x 1080, 2.9 µm pixels, with about three times the full well of the previous IMX462 generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow read noise with HCG:\u003c\/strong\u003e 6.5–0.7 e⁻; high-conversion-gain mode turns on automatically at gain 190.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak QE ≈91%:\u003c\/strong\u003e high sensitivity for short planetary exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e128 MB buffer:\u003c\/strong\u003e holds frames so none are lost or corrupted during USB 2.0 transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV\/IR cut protective window:\u003c\/strong\u003e above 96% transmission across 400–700 nm, so no separate UV\/IR filter is needed for natural colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ nosepiece and CS thread:\u003c\/strong\u003e with a CS-C adapter ring for C- and CS-mount lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure range:\u003c\/strong\u003e 32 µs to 2000 s, with ROI and 1x1 \/ 2x2 binning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751824638892662287152.jpg?v=1791667830\" alt=\"SVBONY SV305C 128MB DDR buffer\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751826225633147514536_3ea68382-599b-428b-97f4-72978cc16752.jpg?v=1791667830\" alt=\"SVBONY SV305C UV\/IR cut protective glass window\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751820304142862723081.jpg?v=1791667830\" alt=\"SVBONY SV305C ROI function and binning\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCamera Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe IMX662's 2.9 µm pixels sample finely at planetary focal lengths, and its low read noise in HCG mode suits the very short exposures used in lucky imaging, where thousands of frames are captured and the sharpest are stacked. The QE and read-noise charts below are SVBONY's published sensor curves.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751815117245951588082.jpg?v=1791664923\" alt=\"SVBONY SV305C IMX662 planetary camera quantum efficiency curve\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751816561238171043901.jpg?v=1791665024\" alt=\"SVBONY SV305C IMX662 planetary camera dynamic range and full well chart\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751817867823076640034.jpg?v=1791664923\" alt=\"SVBONY SV305C IMX662 planetary camera read noise and gain chart\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary imaging:\u003c\/strong\u003e Jupiter, Saturn, Mars and Venus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar imaging:\u003c\/strong\u003e crater and terrain close-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronically assisted astronomy:\u003c\/strong\u003e live stacking of brighter deep-sky objects; SharpCap has one-key planetary and deep-sky presets for this camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens-based imaging:\u003c\/strong\u003e with C- or CS-mount lenses via the CS-C adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751828547532649200308.jpg?v=1791667830\" alt=\"SVBONY SV305C for astrophotography and EAA\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope connection:\u003c\/strong\u003e 1.25″ nosepiece into any 1.25″ focuser, star diagonal or Barlow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLenses:\u003c\/strong\u003e CS thread on the body, with a CS-C adapter ring for C-mount lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focal length:\u003c\/strong\u003e 7.5 mm \/ 12.5 mm as published by SVBONY.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatforms:\u003c\/strong\u003e Windows, Linux, macOS, Chrome OS and Raspberry Pi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e the UV\/IR cut window is built in. SVBONY also sells this camera with an IR pass filter; this listing is the camera only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751821610880411628910.jpg?v=1791664923\" alt=\"SVBONY SV305C planetary camera 1.25 inch and CS interface with CS-C adapter ring\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751823388236035644208.jpg?v=1791667830\" alt=\"SVBONY SV305C USB 2.0 interface\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385751819139935898423496.jpg?v=1791664923\" alt=\"SVBONY SV305C planetary camera dimension drawing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 2.0:\u003c\/strong\u003e frame rate is 24 fps at full 1920 x 1080; ROI raises it on small targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncooled:\u003c\/strong\u003e designed for short exposures and live stacking rather than long cooled deep-sky integrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall sensor:\u003c\/strong\u003e the 6.44 mm diagonal gives a narrow field suited to planets and lunar detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer required:\u003c\/strong\u003e the camera runs from capture software such as SharpCap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this camera.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Install the driver and SharpCap, connect the USB cable and slide the camera into the focuser. SharpCap's one-key presets set it up for planetary or deep-sky mode.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need a UV\/IR cut filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The protective window is a UV\/IR cut filter with more than 96% transmission across 400–700 nm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use a camera lens with it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The CS thread and included CS-C adapter ring accept C- and CS-mount lenses.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work on a Raspberry Pi?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists Raspberry Pi and Linux support.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it image deep-sky objects?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt can live-stack brighter deep-sky targets for EAA; for long deep-sky integrations a cooled camera is the better fit.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a compact colour planetary camera with a Sony IMX662 sensor, 2.9 µm pixels, sub-electron read noise in HCG mode and a built-in UV\/IR cut window, ready for lunar, planetary and EAA work from a 1.25″ focuser.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721429614703,"sku":"F9198L","price":185.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/F9198L-0_20251231143704_3364.webp?v=1791665274"},{"product_id":"svbony-sv223-1-25-clicklock-dielectric-mirror-diagonal","title":"SVBONY SV223 1.25″ 90° Clicklock Dielectric Mirror Diagonal","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029085378776593191571.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch 90 degree dielectric mirror diagonal\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV223 1.25″ is a 90° mirror star diagonal with a dielectric-coated mirror rated at more than 99% reflectivity and 1\/10λ flatness on an 11.5 mm thick substrate. A Clicklock clamp holds 1.25″ eyepieces, an internal safety stop keeps barrels off the mirror, and the telescope-side barrel carries an M28.5 x 0.6 filter thread. Clear aperture is 25 mm, optical length is approximately 85.5 mm, and it weighs 249 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387028351111713731031816.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch diagonal setup on a telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe through a refractor, SCT or Maksutov with a 1.25″ eyepiece holder and want a comfortable viewing angle with a quick, secure eyepiece clamp.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDielectric mirror, \u0026gt;99% reflectivity:\u003c\/strong\u003e 1\/10λ flatness on an 11.5 mm thick optical flat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClicklock clamp:\u003c\/strong\u003e a twist-to-lock clamp for fast, centred eyepiece changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal safety stop:\u003c\/strong\u003e prevents eyepiece barrels from reaching the mirror.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel compression ring:\u003c\/strong\u003e helps prevent barrels from marring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined aluminium body:\u003c\/strong\u003e with internal anti-reflection baffling for contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM28.5 x 0.6 filter thread:\u003c\/strong\u003e on the telescope-side barrel for 1.25″ filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037600071560638482077.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch Clicklock locking mechanism\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029116771902277125595.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch 99 percent reflectivity mirror\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing\u003c\/strong\u003e with refractors and catadioptric telescopes that take 1.25″ accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary and lunar sessions\u003c\/strong\u003e where frequent eyepiece changes benefit from the Clicklock clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and travel setups\u003c\/strong\u003e where a 249 g diagonal keeps the load down.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387056485272951833429777.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch before and after use comparison\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387038822142679885738236.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch diagonal suitable for many telescopes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope side:\u003c\/strong\u003e 1.25″ barrel, fits 1.25″ focusers and eyepiece holders; M28.5 x 0.6 thread for 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece side:\u003c\/strong\u003e 1.25″ Clicklock clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical length:\u003c\/strong\u003e approximately 85.5 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6382735804362481463706283.jpg?v=1791665293\" alt=\"SVBONY SV223 1.25″ Clicklock diagonal connection to a telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387056354374049444298003.jpg?v=1791667841\" alt=\"SVBONY SV223 1.25 inch diagonal connection to a telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387056542247450609504711.jpg?v=1791667842\" alt=\"SVBONY SV223 1.25 inch diagonal in use with an eyepiece\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV223 1.25″ 90° Clicklock dielectric diagonal\u003c\/li\u003e\n\u003cli\u003eM4 screw (1)\u003c\/li\u003e\n\u003cli\u003eDust cap (1)\u003c\/li\u003e\n\u003cli\u003eDust plug (1)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage orientation:\u003c\/strong\u003e the view is upright but mirror-reversed left to right, as with any single-mirror diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ only:\u003c\/strong\u003e 2″ eyepieces need the 2″ version of the SV223.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use:\u003c\/strong\u003e a diagonal is for eyepiece observing; imaging cameras usually attach straight-through.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Insert the barrel into your focuser or eyepiece holder, then insert an eyepiece and twist the Clicklock ring to lock it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it take filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. 1.25″ filters thread onto the M28.5 x 0.6 telescope-side barrel, so one filter serves every eyepiece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a dielectric mirror?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDielectric coatings reflect more than 99% of the light and are more durable than standard aluminium coatings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit an SCT or Maksutov?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, on any telescope that accepts a 1.25″ barrel, including through an SCT-to-1.25″ visual back.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ 90° dielectric mirror diagonal with \u0026gt;99% reflectivity, a Clicklock eyepiece clamp and an internal safety stop, at 249 g.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721430007919,"sku":"W9180A","price":132.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9180a_20250806142557_5256.jpg?v=1791665282"},{"product_id":"svbony-sv149-canon-ef-ef-s-lens-to-1-25-camera-eyepiece-adapter","title":"SVBONY SV149 Canon EF\/EF-S Lens to 1.25″ Camera \u0026 Eyepiece Adapter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-0_20251231152505_5314.webp?v=1791665298\" alt=\"SVBONY SV149 Canon EF\/EF-S lens to 1.25 inch adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV149 is a mechanical adapter that mounts a Canon EF or EF-S camera lens in front of a 1.25″ eyepiece or 1.25″-nosepiece astronomy camera. One side takes the Canon bayonet; the other is a 1.25″ holder with a brass compression ring. The body is CNC-machined aluminium alloy with an M60 x 0.75 adapter thread, measures 70 x 41 x 70 mm and weighs 122 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-2_20250807155110_5648.jpg?v=1791665299\" alt=\"SVBONY SV149 adapter product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you own Canon EF or EF-S lenses and want to use one as a short-focal-length optic for an astronomy camera — for wide-field Milky Way and constellation imaging — or to view through a lens with a 1.25″ eyepiece.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanon EF \/ EF-S bayonet:\u003c\/strong\u003e accepts Canon full-frame and APS-C lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ holder with brass compression ring:\u003c\/strong\u003e grips an eyepiece or camera nosepiece evenly without marking the barrel and keeps it from slipping out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM60 x 0.75 adapter thread\u003c\/strong\u003e on the lens-side body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined aluminium alloy:\u003c\/strong\u003e all-metal, black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact:\u003c\/strong\u003e 70 x 41 x 70 mm, 122 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-3_20250807155110_5640.jpg?v=1791665299\" alt=\"SVBONY SV149 adapter key features and design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field astrophotography:\u003c\/strong\u003e a Canon lens in front of a 1.25″-nosepiece astronomy camera for large nebula fields, Milky Way regions and constellations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary-camera field work:\u003c\/strong\u003e pairing a small-sensor camera with a telephoto lens for lunar or wide views.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use with a lens:\u003c\/strong\u003e a 1.25″ eyepiece behind a Canon lens for casual stargazing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-4_20250807155110_5646.jpg?v=1791665299\" alt=\"SVBONY SV149 adapter recommended uses\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLenses:\u003c\/strong\u003e Canon EF and EF-S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepieces and cameras:\u003c\/strong\u003e anything with a standard 1.25″ barrel or nosepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith SVBONY cameras:\u003c\/strong\u003e SVBONY pairs the SV149 with its SV405CC and SV605CC cooled cameras. Both are available as separate listings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus:\u003c\/strong\u003e the lens's own focus ring sets focus. Whether infinity focus is reached depends on how far the camera or eyepiece slides into the holder — send us your lens and camera and we will check the fit with you.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-5_20250807155110_5648.jpg?v=1791665300\" alt=\"SVBONY SV149 adapter compatibility with lenses and 1.25 inch cameras\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-6_20250807155110_3138.jpg?v=1791665299\" alt=\"SVBONY SV149 adapter compatibility and accessory notes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e there is no electronic contact, so autofocus and electronic aperture control are not available. Lenses with a manual focus ring are easiest to use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanon mount only:\u003c\/strong\u003e other lens mounts need their own adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the lens on the Canon bayonet, slide the camera nosepiece or eyepiece into the 1.25″ holder and tighten the brass ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work with EF-S lenses?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists Canon EF and EF-S compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I control aperture?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNot electronically. The adapter has no electrical contacts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich cameras does it suit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny astronomy camera with a 1.25″ nosepiece; SVBONY shows it with the SV405CC and SV605CC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I look through it with an eyepiece?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. A 1.25″ eyepiece fits the holder for visual use behind the lens.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: an all-metal Canon EF\/EF-S to 1.25″ adapter with a brass compression ring, turning a Canon lens into a wide-field optic for a 1.25″ astronomy camera or eyepiece.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721431056495,"sku":"W9112A","price":26.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112a-0_20251231152505_5314.webp?v=1791665298"},{"product_id":"svbony-sv224-universal-finder-dovetail-base-42mm","title":"SVBONY SV224 Universal Finder Dovetail Base (42mm)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383270868886045908204171.jpg?v=1791667890\" alt=\"SVBONY SV224 universal finder scope dovetail base key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV224 is a universal finder-style dovetail base machined from anodized aluminium alloy. It screws to a telescope tube or mounting plate and holds a finder scope, guide scope or other accessory with a matching dovetail foot, secured by two large thumbscrews. This listing is the 42 mm wide version (39 x 42 x 20 mm), which takes M3 to M4 fixing screws through cross slots and weighs 41 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are adding a finder scope or guide scope to a telescope that has no shoe, adding a second shoe to a tube or plate, or replacing a worn or mismatched finder base.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodized aluminium alloy:\u003c\/strong\u003e machined body, black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross slots:\u003c\/strong\u003e 15 x 5 mm horizontal and vertical internal slots (5 mm wide) let the base line up with a range of existing hole patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo large thumbscrews:\u003c\/strong\u003e lock the accessory foot and are easy to turn with gloves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e 39 mm long, 42 mm wide, 20 mm high, 4.5 mm base thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384378341099806903804449.jpg?v=1791667890\" alt=\"SVBONY SV224 dovetail base high-strength anodized aluminium build\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384378341155137576245765.jpg?v=1791667890\" alt=\"SVBONY SV224 dovetail base cross slots and thumbscrews\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting a finder scope\u003c\/strong\u003e or red-dot finder with a standard finder foot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting a guide scope\u003c\/strong\u003e such as the SVBONY SV165 on its dovetail bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdding an accessory shoe\u003c\/strong\u003e to a tube, ring or dovetail plate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6383270868942860022957047.jpg?v=1791667890\" alt=\"SVBONY SV224 dovetail base installation on a telescope tube\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384378345075861415511788.jpg?v=1791667890\" alt=\"SVBONY SV224 dovetail base mounting a finder scope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY lists compatibility with:\u003c\/strong\u003e SVBONY SV48, SV48P and SV503 70\/80\/102ED; Celestron C8, C8HD, C925 and C11HD; SKYRVER 80ED, 102ED, 130APO and 100ED. SVBONY also notes use on binoculars and other primary mirrors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing screws:\u003c\/strong\u003e the 42 mm version takes M3 to M4 screws; cross slot 5 mm inner and 9 mm outer diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e54 mm version:\u003c\/strong\u003e SVBONY also makes a 54 mm wide version for M5 screws. Get in touch if you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384378345142210704895774.jpg?v=1791667890\" alt=\"SVBONY SV224 dovetail base compatibility and dimensions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV224 finder scope dovetail base\u003c\/li\u003e\n\u003cli\u003eTwo screws\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole spacing:\u003c\/strong\u003e the base fixes with M3 to M4 screws through its slots; the slots allow some flexibility in spacing on your tube or plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinder sold separately:\u003c\/strong\u003e this listing is the base only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Line the slots up with the holes on your tube or plate, fit the screws, then slide the finder or guide scope foot in and tighten the thumbscrews.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich accessories fit it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFinders, guide scopes and other accessories with a standard finder-style dovetail foot.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit my telescope?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY lists SVBONY SV48, SV48P and SV503 models, Celestron C8, C8HD, C925 and C11HD, and SKYRVER 80ED, 102ED, 130APO and 100ED. Send us your telescope model if it is not listed and we will check the fit.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 42 mm anodized aluminium finder dovetail base with cross slots for M3 to M4 screws and glove-friendly thumbscrews, for adding a finder or guide scope shoe to your telescope.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721431711855,"sku":"W2370A","price":14.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806112731_8692_20260810142715_5040.webp?v=1791665304"},{"product_id":"svbony-sv239-185mm-double-sided-vixen-arca-swiss-dovetail-plate","title":"SVBONY SV239 185mm Double-Sided Vixen\/Arca-Swiss Dovetail Plate","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-1_20260522171250_4156_20260810110036_5066.webp?v=1791665333\" alt=\"SVBONY SV239 185mm double-sided Vixen\/Arca-Swiss dovetail plate\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV239 is a double-sided dovetail plate made from extruded, anodized aluminium alloy. Its profile fits both Vixen-style and Arca-Swiss clamps, and it carries UNC 1\/4-20 and UNC 3\/8-16 threads plus 6.5 mm through-slots for tube rings and accessories. This listing is the 185 mm length, which weighs 130 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-2_20260522171250_4936.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate product overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you mount a telescope in tube rings and need a plate to join them to a Vixen or Arca-Swiss saddle, move a small scope or camera between a tripod head and a telescope mount, or want a second dovetail on top of your rings for a guide scope or finder.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen and Arca-Swiss compatible:\u003c\/strong\u003e 38 mm upper width and 43.5 mm lower width, 15.5 mm high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-sided:\u003c\/strong\u003e 6 mm grooves top and bottom, so the plate can be fitted either way up or used to carry accessories on top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded holes:\u003c\/strong\u003e UNC 1\/4-20 for cameras and accessories, UNC 3\/8-16 for larger hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e55 mm slot (6.5 mm wide):\u003c\/strong\u003e lets you slide tube rings along the plate to balance the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtruded anodized aluminium:\u003c\/strong\u003e red finish, 130 g.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260522171250_6193.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate Vixen and Arca-Swiss profile\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260522171250_6915.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate threaded holes and slot design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttaching tube rings\u003c\/strong\u003e to an equatorial or alt-az mount with a Vixen or Arca-Swiss saddle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalancing a telescope\u003c\/strong\u003e by sliding the rings along the slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying a camera or guide scope\u003c\/strong\u003e on the 1\/4-20 threads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20260522171250_8073.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate mounting uses\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddles:\u003c\/strong\u003e Vixen-style and Arca-Swiss clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads:\u003c\/strong\u003e UNC 1\/4-20 and UNC 3\/8-16; 6.5 mm through-holes for M6 screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e SVBONY notes compatibility with finder scopes, finder bases and other mounting accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e254 mm version:\u003c\/strong\u003e SVBONY also makes a 254 mm length with an 87 mm slot. Get in touch if you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/5_20260522171250_9149.webp?v=1791665334\" alt=\"SVBONY SV239 dovetail plate compatibility and dimensions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV239 dovetail plate\u003c\/li\u003e\n\u003cli\u003eM5 L-type hex wrench\u003c\/li\u003e\n\u003cli\u003eTwo M6 x 16 mm hex socket screws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6_20260522171251_0082.webp?v=1791665333\" alt=\"SVBONY SV239 dovetail plate with hex wrench and screws\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate only:\u003c\/strong\u003e tube rings and the mount are sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e the 185 mm plate suits shorter tubes and lighter setups; the 55 mm slot sets how far the rings can slide.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Bolt your tube rings to the plate with the supplied M6 screws, slide the plate into your mount's saddle, and tighten the clamp.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit Vixen or Arca-Swiss?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBoth. The profile is made to fit either standard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I mount a camera on it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, through the 1\/4-20 threaded holes.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 185 mm, 130 g double-sided dovetail plate that fits Vixen and Arca-Swiss saddles, with 1\/4-20 and 3\/8-16 threads and a 55 mm slot for tube rings.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721433448559,"sku":"SV239-185","price":47.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1-1_20260522171250_4156_20260810110036_5066.webp?v=1791665333"},{"product_id":"svbony-sv260-2-multi-bandpass-light-pollution-filter","title":"SVBONY SV260 2″ Multi-Bandpass Light Pollution Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961075189920996204892.webp?v=1791667879\" alt=\"SVBONY SV260 5-bandpass broadband light pollution filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV260 is a 2″ multi-bandpass broadband light-pollution filter. Instead of two narrow emission lines, it passes several wider windows across the visible spectrum and blocks the specific wavelengths emitted by mercury and sodium street lighting, as well as ultraviolet below 400 nm and infrared from 720 to 1100 nm at OD4. SVBONY rates peak transmittance at 90%. The filter has a 2 mm substrate, 44 mm clear aperture, 60\/40 surface quality and 1\/2λ parallelism, in an M48 x 0.75 cell, and weighs 12.5 g.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image from a suburban or town site and want to cut sky glow on broadband targets such as galaxies, reflection nebulae and star fields, where a narrowband filter would remove too much of the signal and star colour.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-bandpass design:\u003c\/strong\u003e transmits several emission and continuum windows while rejecting common artificial-light lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted blocking:\u003c\/strong\u003e mercury lines at 435.8, 546.1, 577 and 578.1 nm and the sodium line at 589.6 nm, with published optical densities from OD1 to OD3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOD4 UV and IR cut:\u003c\/strong\u003e 350–400 nm and 720–1100 nm, which keeps stars tight and colour balanced on colour sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90% peak transmittance\u003c\/strong\u003e in the pass windows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2″ M48 x 0.75 cell\u003c\/strong\u003e with a 44 mm clear aperture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961087423671314038635.jpg?v=1791667879\" alt=\"SVBONY SV260 90% peak transmittance and OD4 cut-off depth\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961081044881729871624.jpg?v=1791667879\" alt=\"SVBONY SV260 comparison without light pollution filter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961082412951115249410.jpg?v=1791667879\" alt=\"SVBONY SV260 300-1000nm working range with UV and IR cut\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies and star clusters\u003c\/strong\u003e from light-polluted skies.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWide star fields and Milky Way regions.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae\u003c\/strong\u003e in broadband colour, where a dual-band filter would be too selective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour cameras and DSLRs\u003c\/strong\u003e where a UV\/IR cut is also needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961078382411564073354.webp?v=1791667879\" alt=\"SVBONY SV260 star field imaging in a Bortle 6 light pollution area\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961084951087152114363.jpg?v=1791667879\" alt=\"SVBONY SV260 star field imaging under light pollution\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961091757278756000869.jpg?v=1791667879\" alt=\"SVBONY SV260 broadband deep-sky imaging from a light-polluted site\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M48 x 0.75 standard 2″ filter thread, for filter drawers, filter wheels and 2″ nosepieces with filter threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e one-shot-colour astronomy cameras and DSLRs; it also includes the UV\/IR blocking these sensors need.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter drawers:\u003c\/strong\u003e SVBONY SV226 filter drawers take 2″ M48 filters, which makes it easy to swap between the SV260 and a narrowband filter during a session.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961091786982476064865.jpg?v=1791667879\" alt=\"SVBONY SV260 light pollution filter imaging comparison\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961091817012811505061.jpg?v=1791667879\" alt=\"SVBONY SV260 light pollution filter star field result\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386961091847895957183090.jpg?v=1791667879\" alt=\"SVBONY SV260 filter use with colour cameras in light-polluted skies\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging filter:\u003c\/strong\u003e SVBONY designs it for deep-sky and star-field photography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadband, not narrowband:\u003c\/strong\u003e it reduces sky glow rather than eliminating it. For emission nebulae under very bright skies, a dual-band filter such as the SVBONY SV220 isolates the emission lines more strongly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED lighting:\u003c\/strong\u003e the published blocking lines are mercury and sodium; broad-spectrum white LED light falls partly inside the pass windows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal ratio:\u003c\/strong\u003e SVBONY does not publish a focal-ratio rating for this filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlocking data:\u003c\/strong\u003e two entries of SVBONY's published blocking list could not be read from the vendor page and are omitted from the specification table.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387244826710371677730187.jpg?v=1791667879\" alt=\"SVBONY SV260 broadband filter star field comparison in light pollution\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into any M48 x 0.75 filter thread or 2″ filter drawer, and focus is set with the filter in place as usual.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it different from a dual-band filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SV260 passes several broad windows and keeps natural star colour, which suits galaxies and star fields. A dual-band filter passes only H-alpha and OIII and suits emission nebulae.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I still need a UV\/IR cut filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The SV260 blocks 350–400 nm and 720–1100 nm at OD4 itself.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″ M48 multi-bandpass filter that blocks mercury and sodium light pollution plus UV and IR, for broadband deep-sky and star-field imaging from town and suburban sites.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721434234991,"sku":"W9194A","price":178.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9194a-1_20251127144515_4927.webp?v=1791665350"},{"product_id":"svbony-sv231-1-25-colour-correction-filter","title":"SVBONY SV231 1.25″ Colour Correction (Fringe Killer) Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384039870630272163600900.jpg?v=1791667886\" alt=\"SVBONY SV231 colour correction filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV231 is a 1.25″ colour correction filter, often called a fringe killer. It blocks the defocused blue light and the red and infrared light above about 700 nm that small achromatic refractors do not bring to a common focus, which reduces the purple halo around bright targets. SVBONY rates peak transmittance above 95%, with blocking above OD2 across a 300–1200 nm range. The filter has a 1 mm substrate, 26 mm clear aperture and M28.5 x 0.6 thread, and weighs 4.2 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040463105923067390337.jpg?v=1791667886\" alt=\"SVBONY SV231 filter correcting chromatic aberration\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe or image the Moon and planets through an achromatic refractor and want to reduce the violet fringing around bright limbs and planets, or if you image with a CMOS camera and want infrared kept out of the focus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromatic aberration correction:\u003c\/strong\u003e trims the out-of-focus blue and the red\/IR light responsible for fringing in achromats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrared blocking:\u003c\/strong\u003e cuts light above about 700 nm, so camera images focus sharper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh transmission:\u003c\/strong\u003e peak transmittance above 95% in the pass band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR-coated optical surfaces\u003c\/strong\u003e with 60\/40 surface quality and 1\/2λ parallelism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1.25″ thread:\u003c\/strong\u003e M28.5 x 0.6, for eyepieces, diagonals and camera nosepieces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040463159834249402248.jpg?v=1791667886\" alt=\"SVBONY SV231 filter blocking light pollution and reducing noise\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040463191299592677356.jpg?v=1791667886\" alt=\"SVBONY SV231 filter UV and IR cut\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040463281138404142331.jpg?v=1791667886\" alt=\"SVBONY SV231 filter AR coating\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar observing and imaging:\u003c\/strong\u003e crisper crater edges with less colour halo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary observing and imaging:\u003c\/strong\u003e Jupiter, Saturn, Mars and Venus through achromats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright stars and double stars\u003c\/strong\u003e where violet fringing is most visible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera projection:\u003c\/strong\u003e SVBONY notes it can sit well ahead of the focal point without loss of sharpness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387089274842638825968173.jpg?v=1791667886\" alt=\"SVBONY SV231 filter thread design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040987000856411275509.jpg?v=1791667886\" alt=\"SVBONY SV231 filter for digital camera focus photography\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M28.5 x 0.6, the standard 1.25″ filter thread on eyepieces, diagonals and camera nosepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY telescopes:\u003c\/strong\u003e SVBONY shows the SV231 in use with the SV503 ED and SV48P refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e CCD and CMOS planetary cameras, threaded on the 1.25″ nosepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinoculars:\u003c\/strong\u003e SVBONY notes it can be used as a single filter in front of a binocular.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040943988666599969201.jpg?v=1791667886\" alt=\"SVBONY SV231 filter used with the SV503 ED telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6384040946168364737384967.jpg?v=1791667886\" alt=\"SVBONY SV231 filter used with the SV48P telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e this listing is the 1.25″ filter. SVBONY also makes a 2″ M48 version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour cast:\u003c\/strong\u003e removing part of the blue and red spectrum gives a slight tint, which is the trade for reduced fringing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e it reduces fringing in achromats rather than eliminating it; apochromatic refractors have little fringing to correct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a light-pollution filter for deep sky:\u003c\/strong\u003e its strength is bright lunar and planetary targets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into the barrel of a 1.25″ eyepiece, the nosepiece of a diagonal, or a camera nosepiece by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work for visual observing and imaging?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It is used at the eyepiece and in front of planetary cameras.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need it with an apochromatic refractor?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUsually not. Apochromats already bring the colours to a common focus; the SV231 is aimed at achromats.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it replace a UV\/IR cut filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt blocks infrared above about 700 nm, which overlaps with a UV\/IR cut filter, and also trims blue light that an achromat leaves out of focus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ M28.5 colour correction filter that trims defocused blue and red\/IR light, for cleaner lunar, planetary and bright-star views and images through achromatic refractors.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67721435152495,"sku":"W9186A","price":44.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9186A-0_20251231143149_2056.webp?v=1791665384"},{"product_id":"svbony-sv305c-pro-guide-camera","title":"SVBONY SV305C Pro Colour Guide Camera (Sony IMX662, USB 3.0)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/x5_20260827092053_8041.webp?v=1791669698\" alt=\"SVBONY SV305C Pro colour guide camera key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV305C Pro is a compact uncooled colour camera built for autoguiding and for high-frame-rate planetary and lunar imaging. It uses the Sony IMX662 back-illuminated 1\/2.8″ CMOS sensor with 2.9 µm pixels, records 1920 x 1080 at up to 99 fps over USB 3.0, and carries a 6-pin ST4 guide port for direct mount corrections. SVBONY lists read noise at 0.7 e⁻, peak QE at 91% and full well at 38.2 ke⁻. The body measures Ø49.5 x 65 mm and weighs 135 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993373293413692636516.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro guide camera overview panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993374235765347329754.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro low read noise panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you need a guide camera for a guide scope or off-axis guider and want the same camera to double as a colour planetary and lunar imager. The small 2.9 µm pixels suit short-focal-length guide scopes, and the 99 fps full-HD rate is fast enough for lucky imaging of Jupiter, Saturn, Mars and the Moon.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX662 back-illuminated sensor:\u003c\/strong\u003e 1\/2.8″ colour CMOS, 2.9 µm pixels, with good near-infrared response and resistance to overexposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.7 e⁻ read noise:\u003c\/strong\u003e keeps faint guide stars and short planetary frames clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 (5 Gbps):\u003c\/strong\u003e SVBONY quotes ten times the throughput of USB 2.0 for smooth transfer during capture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST4 guide port:\u003c\/strong\u003e works with PHD2 and ASCOM for autoguiding through the mount's guide input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1920 x 1080 at 99 fps:\u003c\/strong\u003e high frame rate for planetary lucky imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADC:\u003c\/strong\u003e 10-bit\/12-bit, with 8-bit\/12-bit output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAR-coated protective window\u003c\/strong\u003e in front of the sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993375034652588518895.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro USB 3.0 transfer panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993377448679999804618.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro ST4 guiding and compatibility panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993378639003681355811.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro high frame rate panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCamera Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe IMX662 is a back-illuminated rolling-shutter sensor. Moving the wiring behind the photodiodes raises sensitivity, which SVBONY puts at a 91% peak QE, and extends useful response into the near infrared — helpful for guiding on faint stars and for IR-pass planetary work in unsteady seeing. With 2.9 µm pixels, a 38.2 ke⁻ full well and 0.7 e⁻ read noise, the camera favours short exposures: guide frames of a second or two, or thousands of planetary frames for stacking.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993379443500653480372.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro IMX662 back-illuminated sensor panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993380410211617693114.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro sensor design panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993381186325765496916.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro camera design detail panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding:\u003c\/strong\u003e on a guide scope or off-axis guider, with corrections sent through ST4 or ASCOM via PHD2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary imaging:\u003c\/strong\u003e colour video capture of Jupiter, Saturn and Mars for stacking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar imaging:\u003c\/strong\u003e close-up crater and terminator detail at high frame rates.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993381932549607915484.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro planetary imaging use panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/X3_20260827092053_7871.webp?v=1791669699\" alt=\"SVBONY SV305C Pro guiding use panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating systems:\u003c\/strong\u003e Windows (Windows 7 is not supported), Linux, Raspberry Pi and macOS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e SVBONY recommends SharpCap on Windows and AstroDMx Capture on Linux, Raspberry Pi and macOS; PHD2 and ASCOM for guiding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCables:\u003c\/strong\u003e SVBONY lists a 2 m USB 3.0 cable and a 1.5 m 6-pin guiding cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide scope option:\u003c\/strong\u003e SVBONY also offers this camera paired with its SV106 guide scope as a separate style.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993384075767808018729.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro compatibility panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993384871492671392240.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro interface and cable panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388993376145552449709833.jpg?v=1791669698\" alt=\"SVBONY SV305C Pro dimensions and connection panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncooled sensor:\u003c\/strong\u003e the camera is designed for guiding and short-exposure planetary capture rather than long cooled deep-sky integrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer required:\u003c\/strong\u003e it runs from capture or guiding software over USB 3.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour sensor:\u003c\/strong\u003e for imaging only, with no application in visual observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis listing is the camera only;\u003c\/strong\u003e the SV106 guide scope bundle is a separate style.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Install the driver and your capture or guiding software, connect the USB 3.0 cable, and for ST4 guiding run the 6-pin cable to the mount's guide port. PHD2 walks you through calibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for both guiding and planetary imaging?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY designs it for ST4\/ASCOM guiding with PHD2 and lists 1920 x 1080 at 99 fps for planetary capture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need ST4 to guide?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It can guide through the ST4 port or through ASCOM pulse guiding, whichever your mount supports.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it run on a Mac or Raspberry Pi?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists macOS, Linux and Raspberry Pi support, with AstroDMx Capture recommended on those platforms.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 135 g colour guide camera with a Sony IMX662 sensor, 0.7 e⁻ read noise and an ST4 port, fast enough at 99 fps in full HD to serve as a planetary and lunar camera too.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722158669935,"sku":"F9198M","price":287.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9198m-0_20251231163046_4012.webp?v=1791669788"},{"product_id":"svbony-2-uv-ir-cut-filter","title":"SVBONY 2″ UV\/IR Cut Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372973825711858798840415.jpg?v=1791669858\" alt=\"SVBONY F9127B 2″ UV\/IR cut filter feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9127B is a 2″ UV\/IR cut filter in a standard M48 x 0.75 cell. It blocks ultraviolet and near-infrared light that colour sensors record but that a telescope does not bring to the same focus as visible light, while passing more than 94% of the visual spectrum according to SVBONY. The coated optical glass is 1.85 mm thick, and the filter ships in a protective plastic box.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image with a one-shot-colour astronomy camera, an unmodified or modified DSLR, or a modified webcam, and want tighter stars and cleaner colour balance. It also suits a 2″ imaging train where you want a permanent clear window in front of the sensor to keep dust off.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260303175413_8093.webp?v=1791669859\" alt=\"SVBONY 2″ UV\/IR cut filter for colour astrophotography and sensor protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV and IR blocking:\u003c\/strong\u003e removes the out-of-band light that causes bloated stars and IR-related ghosting in colour images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh visible transmission:\u003c\/strong\u003e more than 94% across the visual spectrum (SVBONY figure), so exposure times are essentially unchanged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoated optical glass:\u003c\/strong\u003e 1.85 mm substrate with advanced coatings that SVBONY designs to reduce chromatic aberration and improve colour accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 2″ cell:\u003c\/strong\u003e M48 x 0.75 thread, fitting 2″ eyepiece barrels, diagonals, filter drawers and adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective window:\u003c\/strong\u003e works as a permanent cover for a camera sensor or the end of an imaging train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260303175413_9045.webp?v=1791669859\" alt=\"SVBONY 2″ UV\/IR cut filter for colour astrophotography and sensor protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour deep-sky imaging:\u003c\/strong\u003e with OSC astronomy cameras that have a clear (AR-only) sensor window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified DSLR imaging:\u003c\/strong\u003e restores a natural colour balance when the factory IR filter has been removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary colour imaging:\u003c\/strong\u003e sharper results through refractors whose focus shifts outside the visible band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging-train protection:\u003c\/strong\u003e a clear window that keeps dust away from the sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260303175413_9896.webp?v=1791669859\" alt=\"SVBONY 2″ UV\/IR cut filter for colour astrophotography and sensor protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M48 x 0.75, the standard 2″ filter thread used on 2″ barrels, diagonals and filter drawers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmaller trains:\u003c\/strong\u003e SVBONY makes the same filter in 1.25″ (F9127A, M28.5 x 0.6), which we also carry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras with a built-in UV\/IR window:\u003c\/strong\u003e many DSLRs and some astronomy cameras already block UV and IR; on those the filter acts as a protective window only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you are not sure whether your camera already has a UV\/IR window, send us the model and we will check it with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x 2″ UV\/IR cut filter (F9127B)\u003c\/li\u003e\n\u003cli\u003e1 x protective plastic storage box\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20260303175414_0804.webp?v=1791669859\" alt=\"SVBONY 2″ UV\/IR cut filter for colour astrophotography and sensor protection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour sensors benefit most:\u003c\/strong\u003e with a mono camera and LRGB filters the colour filters already define the passband, so a UV\/IR cut is usually used as the luminance filter instead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a light pollution filter:\u003c\/strong\u003e it does not reduce skyglow; for that, a CLS or UHC filter is the tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into the M48 x 0.75 filter thread on a 2″ nosepiece, diagonal or filter drawer by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change my exposure times?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eVery little. SVBONY rates transmission above 94% across the visible spectrum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it visually?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Visually it behaves like a clear window, and it can stay in place as protection when you switch between observing and imaging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need it with a camera that already has an IR filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNot for colour correction. In that case its role is a protective window.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″, M48 UV\/IR cut filter with 1.85 mm coated glass that keeps out-of-band light away from colour sensors for tighter stars and cleaner colour, and doubles as a protective window for your imaging train.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722172072047,"sku":"F9127B","price":25.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9127b-3_20250807103732_1373_20260820171204_9742.webp?v=1791669859"},{"product_id":"svbony-2-cls-light-pollution-filter","title":"SVBONY 2″ CLS Light Pollution Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037897001893449065357.jpg?v=1791669877\" alt=\"SVBONY CLS light pollution filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9155B is a 2″ CLS (City Light Suppression) filter in a standard M48 x 0.75 cell. It is a broadband light pollution filter: SVBONY specifies about 90% transmission at the main nebula emission lines (H-alpha 656 nm, OIII 496 nm, H-beta 486 nm, SII 672 nm) and about 0.1% transmission at the sodium (589 nm) and mercury (435 nm and 578 nm) lines produced by street lighting. The coated glass is 1.85 mm thick.\u003c\/p\u003e\u003cp\u003eA CLS filter does not remove light pollution or make an object brighter. It raises the contrast between nebulae and a skyglow-brightened background, which is what makes faint structure easier to see and to stretch in processing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image or observe from a suburban or city-edge site with a colour astronomy camera or an unmodified DSLR and want more contrast on emission nebulae. SVBONY designs it with colour CCD\/CMOS cameras and unmodified DSLRs in mind.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9155-2_20250807105838_0327.jpg?v=1791669878\" alt=\"SVBONY CLS light pollution filter for deep-sky imaging and observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission lines passed:\u003c\/strong\u003e about 90% transmission at H-alpha, OIII, H-beta and SII (SVBONY figures).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet-light lines suppressed:\u003c\/strong\u003e about 0.1% transmission at sodium 589 nm and mercury 435\/578 nm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard coatings:\u003c\/strong\u003e electron-beam evaporation with ion-assisted deposition, for scratch resistance and stable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven coating:\u003c\/strong\u003e SVBONY uses a planetary rotation system in the coating chamber for consistent passbands across the glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 2″ cell:\u003c\/strong\u003e M48 x 0.75 thread, 1.85 mm glass.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372973214719458219689724.jpg?v=1791669877\" alt=\"SVBONY CLS filter emission-line transmission and light pollution suppression panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour deep-sky imaging from light-polluted sites:\u003c\/strong\u003e emission nebulae such as M42, the Lagoon and North America Nebula.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSLR astrophotography:\u003c\/strong\u003e with unmodified cameras through a 2″ nosepiece or filter drawer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing:\u003c\/strong\u003e a darker background and better nebula contrast at sub-rural sites.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9155-3_20250807105838_1715.jpg?v=1791669878\" alt=\"SVBONY CLS light pollution filter for deep-sky imaging and observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M48 x 0.75, for 2″ barrels, diagonals, filter drawers and 2″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther sizes:\u003c\/strong\u003e SVBONY also makes this filter in 1.25″ (F9155A, M28.5 x 0.6) and as a Canon EOS-C clip-in (F9155D).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLS vs UHC:\u003c\/strong\u003e SVBONY notes that the CLS has a wider passband than its UHC filter and suits sites with less light pollution; the UHC is the stronger choice under brighter skies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you want help choosing between CLS, UHC and a dual-band filter for your sky and camera, get in touch and we will work through it with you.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9155-5_20250807105838_6356.jpg?v=1791669878\" alt=\"SVBONY CLS light pollution filter for deep-sky imaging and observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9155-4_20250807105920_2311.jpg?v=1791669878\" alt=\"SVBONY CLS light pollution filter for deep-sky imaging and observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadband filters favour emission nebulae:\u003c\/strong\u003e galaxies and star clusters emit across the whole spectrum, so their gain from a CLS filter is smaller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour cast:\u003c\/strong\u003e as with any light pollution filter, images show a colour shift that is corrected in processing with a colour calibration step.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into any M48 x 0.75 filter thread on a 2″ nosepiece, diagonal or filter drawer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work under a dark sky?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt still passes the emission lines, but its benefit is greatest where sodium and mercury lighting brighten the background.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with a modified DSLR?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY designs it for colour cameras and unmodified DSLRs. It passes H-alpha, so it also works on a modified camera.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for visual observing?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY lists both visual and photographic use.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″ M48 broadband CLS filter that suppresses sodium and mercury street-light lines while passing H-alpha, OIII, H-beta and SII, raising nebula contrast for colour imaging and observing from light-polluted skies.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"2″","offer_id":67722175021167,"sku":"F9155B","price":54.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9155-1_20250807105837_9118_20260820155328_8780.webp?v=1791669877"},{"product_id":"svbony-1-25-uhc-light-pollution-filter","title":"SVBONY 1.25″ UHC Light Pollution Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6368834932617211706668990.jpg?v=1791669897\" alt=\"SVBONY UHC light pollution filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9131A is a 1.25″ UHC (Ultra High Contrast) filter in a standard M28.5 x 0.6 cell. It is a narrower-passband light pollution filter than a CLS: it reduces light from mercury-vapour and sodium-vapour lamps and the natural oxygen airglow of the atmosphere, while passing the emission lines of nebulae. The result is a darker sky background and higher contrast on emission and planetary nebulae. The coated optical glass is 1.85 mm thick in an aluminium frame, and the filter ships in a transparent storage case.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe or image emission nebulae from urban or suburban skies through a 1.25″ eyepiece or imaging train and want the background darkened noticeably more than a broadband filter would.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9131a_20250807111258_9145.jpg?v=1791669899\" alt=\"SVBONY F9131A 1.25″ UHC light pollution filter for nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-high contrast passband:\u003c\/strong\u003e selectively reduces artificial-light wavelengths so emission nebulae stand out from the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarker background:\u003c\/strong\u003e SVBONY rates the sky background darker and nebula contrast higher than with typical broadband filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical glass in an aluminium frame:\u003c\/strong\u003e 1.85 mm coated substrate built for frequent use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1.25″ cell:\u003c\/strong\u003e M28.5 x 0.6 thread fits most 1.25″ eyepieces, diagonals and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e supplied in a transparent case.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029079471920178388140.jpg?v=1791669898\" alt=\"SVBONY UHC filter nebula contrast and light pollution blocking panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing of emission nebulae:\u003c\/strong\u003e the Orion, Lagoon, Swan and Veil nebulae from suburban sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae:\u003c\/strong\u003e the Ring and Dumbbell show more clearly against a darkened background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour imaging under bright skies:\u003c\/strong\u003e more contrast on emission targets with a 1.25″ imaging train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260304091845_2351.webp?v=1791669898\" alt=\"SVBONY UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260304091847_9948.webp?v=1791669898\" alt=\"SVBONY UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M28.5 x 0.6, the standard 1.25″ filter thread on eyepieces, diagonals and nosepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther sizes:\u003c\/strong\u003e SVBONY also makes this filter in 2″ (F9131B, M48 x 0.75) and as a Canon EOS-C clip-in (F9131D).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHC vs CLS:\u003c\/strong\u003e the UHC has the narrower passband and suits brighter skies; SVBONY's CLS filter is the wider option for less light-polluted sites.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260304091850_2188.webp?v=1791669898\" alt=\"SVBONY UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x 1.25″ UHC filter (F9131A)\u003c\/li\u003e\n\u003cli\u003e1 x transparent storage case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest on emission objects:\u003c\/strong\u003e galaxies and star clusters are broadband targets and gain little from a UHC filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimmer stars and colour shift:\u003c\/strong\u003e the narrower passband dims stars visually and gives images a colour cast that is corrected in processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into the filter thread at the bottom of a 1.25″ eyepiece or the nosepiece of a diagonal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it for visual use or imaging?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBoth. SVBONY presents it for visual observing and astrophotography.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShould I choose UHC or CLS?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUnder brighter suburban or city skies the UHC gives more contrast. Under moderately dark skies the wider CLS keeps more starlight. Get in touch if you want help choosing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ M28.5 UHC filter that darkens light-polluted skies and lifts emission and planetary nebulae, for visual observing and imaging through standard 1.25″ gear.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"1.25″","offer_id":67722179149935,"sku":"F9131A","price":34.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9131a_20250807111258_9145.jpg?v=1791669899"},{"product_id":"svbony-f9123a-laser-collimator","title":"SVBONY F9123A Laser Collimator for Newtonian and SCT Telescopes (1.25″ with 2″ Adapter)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387056394068976894180722.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9123A is a red-laser collimator for aligning the mirrors of Newtonian and SCT reflector telescopes. It slides into a 1.25″ focuser like an eyepiece, and a removable 2″ adapter lets it sit square in a 2″ focuser. The laser runs at 635–655 nm with an output below 5 mW, has seven brightness levels, and projects its dot through a triple-cemented lens. The body is metal and it runs on the CR2032 lithium cell that comes in the box.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6369137055710576375802756.jpg?v=1791669804\" alt=\"SVBONY F9123A 1.25″ laser collimator feature graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you own a Newtonian or SCT reflector and want a quick, repeatable way to bring the optics back into alignment after transport, a mirror cleaning, or a change in your imaging train. It suits visual observers and astrophotographers alike, since well-collimated optics benefit both.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven brightness levels:\u003c\/strong\u003e turn the dot down for night-time collimation or up to see it clearly in daylight or under a lit garage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-cemented lens:\u003c\/strong\u003e produces a stable, well-defined red dot on the primary mirror and on the collimator's own target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ body with removable 2″ adapter:\u003c\/strong\u003e fits both common focuser sizes without a separate adapter purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal body:\u003c\/strong\u003e durable and keeps the laser seated squarely in the focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e635–655 nm, under 5 mW:\u003c\/strong\u003e a visible red wavelength suited to collimation work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387089690623768452746406.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator brightness and lens graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387030898184323136897992.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator detail graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoutine Newtonian collimation:\u003c\/strong\u003e align the secondary to centre the beam on the primary's centre mark, then adjust the primary to return the beam to the collimator's target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCT checks:\u003c\/strong\u003e a quick reference on SCT reflectors, as listed by SVBONY.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField realignment:\u003c\/strong\u003e a fast check after transport to a dark site, before you start observing or imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6373085903286524929243928.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator with 2″ adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescopes:\u003c\/strong\u003e SVBONY lists Newtonian and SCT reflectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocusers:\u003c\/strong\u003e fits 1.25″ focusers directly and 2″ focusers with the included removable adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e one CR2032 lithium cell, included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6373085904825415192470595.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator application graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLaser collimator\u003c\/li\u003e\n\u003cli\u003eRemovable 2″ adapter\u003c\/li\u003e\n\u003cli\u003eStep-by-step instruction manual\u003c\/li\u003e\n\u003cli\u003eCR2032 lithium cell battery\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387038842702409345165621.jpg?v=1791669804\" alt=\"SVBONY F9123A laser collimator package contents\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflectors only:\u003c\/strong\u003e it is intended for Newtonian and SCT reflectors; refractors are not collimated this way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser product:\u003c\/strong\u003e the beam is never pointed at the eye or at the sky, and the collimator is used with the telescope pointed at a safe horizontal or downward angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this item.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Insert it in the focuser like an eyepiece, switch it on, choose a brightness level, and follow the included step-by-step manual for adjusting the secondary and primary mirrors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit a 2″ focuser?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The removable 2″ adapter is included, so it fits 1.25″ and 2″ focusers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat battery does it use?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA CR2032 lithium cell, which is supplied.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it in daylight?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The seven brightness levels let you raise the output so the dot stays visible in daylight or a lit room, and lower it at night.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a metal-bodied 1.25″ red laser collimator with a 2″ adapter, seven brightness levels and a triple-cemented lens, for quick mirror alignment on Newtonian and SCT reflectors.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722182885487,"sku":"F9123A","price":29.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9123a_20250807155319_2098_20260814161248_1335.webp?v=1791669910"},{"product_id":"svbony-sv139-1-25-nd-moon-filter","title":"SVBONY SV139 1.25″ ND Neutral Density Moon Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121617552700578996694.jpg?v=1791669936\" alt=\"SVBONY SV139 1.25″ ND moon filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV139 is a 1.25″ neutral density filter for lunar observing. A neutral density filter dims the whole image evenly across the spectrum, so the Moon becomes comfortable to look at without taking on a green or yellow cast. This listing is the ND0.6 density (item W9108A), which passes 25% of the incoming light and is the density SVBONY pairs with a waxing crescent Moon. The filter is optical glass in a 2 mm aluminium cell with a standard M28.5 x 0.6 thread.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121618573407683557384.jpg?v=1791669936\" alt=\"SVBONY SV139 neutral density filter overview panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe the Moon visually and find the view glaring, particularly through a larger-aperture telescope, and want to cut the brightness while keeping the Moon's natural grey tones.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeutral density:\u003c\/strong\u003e reduces brightness evenly without shifting colour balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eND0.6, 25% transmission:\u003c\/strong\u003e a moderate reduction suited to the thinner lunar phases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1.25″ thread:\u003c\/strong\u003e M28.5 x 0.6, so it threads into the barrel of any 1.25″ eyepiece or diagonal nosepiece with filter threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim 2 mm cell:\u003c\/strong\u003e aluminium frame with a metal thread and an optical glass element.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121619688347081092840.jpg?v=1791669936\" alt=\"SVBONY SV139 ND filter feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121621036001007528051.jpg?v=1791669936\" alt=\"SVBONY SV139 ND filter construction detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual lunar observing\u003c\/strong\u003e around crescent phases, where SVBONY matches ND0.6.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright-target viewing\u003c\/strong\u003e where reduced glare makes surface detail easier to follow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSVBONY makes the SV139 in four densities and matches each to a Moon phase: ND0.6 (25%) for a waxing crescent, ND0.9 (12.5%) for first and last quarter, ND1.2 (6.25%) for waxing and waning gibbous, and ND3.0 (0.1%) for the full Moon.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121622063114053507452.jpg?v=1791669936\" alt=\"SVBONY SV139 ND filter densities matched to Moon phases\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121623149992628888176.jpg?v=1791669936\" alt=\"SVBONY SV139 ND filter transmission panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e any 1.25″ eyepiece or accessory with standard M28.5 x 0.6 filter threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStacking:\u003c\/strong\u003e the cell is threaded, so it can be combined with other 1.25″ filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386121624091991109313103.jpg?v=1791669936\" alt=\"SVBONY SV139 ND filter threaded into a 1.25″ eyepiece\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e this listing is ND0.6. The ND0.9, ND1.2 and ND3.0 versions are separate densities; if you would like one of those, get in touch and we will order it for you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a solar filter:\u003c\/strong\u003e the SV139 is made for the Moon and is not designed for viewing the Sun.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads into the bottom of a 1.25″ eyepiece barrel before the eyepiece goes into the diagonal or focuser.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it change the colour of the Moon?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. A neutral density filter reduces brightness evenly, so the Moon keeps its natural tones.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich density should I choose?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY's guide is ND0.6 for a crescent, ND0.9 for quarter phases, ND1.2 for gibbous phases and ND3.0 for the full Moon. Larger apertures gather more light, so a denser filter can help at the same phase.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ ND0.6 moon filter that passes 25% of the light, threads into a standard eyepiece, and takes the glare off the Moon without altering its colour.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"ND0.6","offer_id":67722188030063,"sku":"W9108A","price":13.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9108A-0_20251231145316_7077.webp?v=1791669936"},{"product_id":"svbony-sv146-table-top-tripod","title":"SVBONY SV146 Adjustable Table Top Tripod for Spotting Scopes and Cameras","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831363147858064471042.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV146 is a compact table top tripod for spotting scopes, binoculars (with an adapter), cameras and small telescopes. It folds to 255 mm (10.04″) and extends to 347 mm (13.66″) with 0–90 mm of centre-column travel. The two-way pan head turns a full 360° and tilts through 180°, the mounting screw is a standard 1\/4-20 UNC, and SVBONY rates it for a maximum load of 4.5 kg (10 lb). It weighs 617 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831364557987829068853.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod specifications panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe from a table, ledge or bench with a spotting scope or compact telescope, want a steady base for a camera or binoculars, or need a small tripod that packs easily for travel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-way pan head:\u003c\/strong\u003e 360° horizontal rotation and 180° vertical tilt for following and framing targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable centre column:\u003c\/strong\u003e 0–90 mm of extra height.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4.5 kg (10 lb) load rating.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium alloy and ABS construction:\u003c\/strong\u003e anodised body, black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber feet:\u003c\/strong\u003e non-slip grip on tables and uneven surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831370861479394970986.jpg?v=1791669938\" alt=\"SVBONY SV146 anodised aluminium alloy body\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831377283314019481441.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod specification details\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831381993502506131661.jpg?v=1791669938\" alt=\"SVBONY SV146 folded and extended height\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe feet are rubber-tipped so the tripod stays put on smooth table tops and uneven ground.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831407004811054438951.jpg?v=1791669938\" alt=\"SVBONY SV146 anti-slip rubber feet\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378950647731615535163233.jpg?v=1791669938\" alt=\"SVBONY SV146 pan head feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpotting scopes and small telescopes\u003c\/strong\u003e used from a table or bench for birding, wildlife and casual observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras\u003c\/strong\u003e for table-level photography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinoculars\u003c\/strong\u003e on a binocular tripod adapter for steadier views.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831414632953401690933.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod with camera and binoculars\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831421699391224005991.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod with spotting scope and telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting thread:\u003c\/strong\u003e 1\/4-20 UNC, the standard camera and spotting-scope tripod thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinoculars:\u003c\/strong\u003e attach through a binocular tripod adapter, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e up to 4.5 kg (10 lb) as rated by SVBONY.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eSVBONY shows the package contents in the panel below. The binoculars, telescope, spotting scope and camera in SVBONY's images are for display and are not included.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378831447312575774077381.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod package contents\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378950647760995509454241.jpg?v=1791669938\" alt=\"SVBONY SV146 table top tripod detail panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable height tripod:\u003c\/strong\u003e at 347 mm fully extended it is designed to sit on a table or ledge rather than stand on the ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptics not included:\u003c\/strong\u003e the scopes, binoculars and cameras shown are for illustration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Spread the legs, thread the 1\/4-20 screw into your scope or camera, and set the height with the centre column.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it hold my spotting scope?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY rates it for up to 4.5 kg (10 lb), which covers most compact spotting scopes with a 1\/4-20 foot. If you are unsure about yours, send us the model and we will check.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with binoculars?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, with a binocular tripod adapter that has a 1\/4-20 socket.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 617 g aluminium table top tripod with a two-way pan head, 1\/4-20 mount and 4.5 kg rating that gives a spotting scope, camera or small telescope a steady base wherever there is a flat surface.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722188095599,"sku":"W9109B","price":33.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806191218_9082_20260810143848_5848.webp?v=1791669937"},{"product_id":"svbony-sv149-nikon-lens-to-1-25-adapter","title":"SVBONY SV149 Nikon AF Lens to 1.25″ Camera \u0026 Eyepiece Adapter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037120523530908156149.jpg?v=1791669939\" alt=\"SVBONY SV149 Nikon lens to 1.25″ adapter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV149 is a mechanical adapter that puts a Nikon AF (F-mount) camera lens in front of a 1.25″ eyepiece or 1.25″-nosepiece astronomy camera. One side takes the Nikon bayonet; the other is a 1.25″ holder with a brass ring that grips the barrel. The CNC-machined aluminium body uses an M52 x 0.75 adapter thread, measures 78 x 58 x 60 mm and weighs 137 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037118785622099883765.jpg?v=1791669939\" alt=\"SVBONY SV149 Nikon lens adapter overview panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you own Nikon AF lenses and want to use one as a short-focal-length imaging optic for an astronomy camera, for wide-field Milky Way, constellation and large-nebula framing, or as a simple lens-plus-eyepiece viewer.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNikon AF bayonet:\u003c\/strong\u003e accepts most Nikon F-mount DSLR lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ holder with brass ring:\u003c\/strong\u003e holds an eyepiece or camera nosepiece securely without scratching the barrel and keeps it from slipping out.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eM52 x 0.75 adapter thread.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined aluminium alloy:\u003c\/strong\u003e all-metal construction, black finish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037129882984075782802.jpg?v=1791669939\" alt=\"SVBONY SV149 Nikon lens adapter construction detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field astrophotography\u003c\/strong\u003e with a Nikon lens and a 1.25″ astronomy camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens-based guiding or finder setups\u003c\/strong\u003e using a camera lens as the optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use\u003c\/strong\u003e of a camera lens with a 1.25″ eyepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037130852834627830737.jpg?v=1791669939\" alt=\"SVBONY SV149 Nikon lens adapter connection panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens side:\u003c\/strong\u003e Nikon AF-Mount (F-mount) lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e any 1.25″ eyepiece or 1.25″ camera nosepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e there are no electronic contacts between lens and camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanon version:\u003c\/strong\u003e SVBONY also makes the SV149 for Canon EF\/EF-S lenses as a separate model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112b-0_20251231153145_8311.webp?v=1791669939\" alt=\"SVBONY SV149 Nikon AF lens to 1.25″ adapter\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eIf you are pairing a particular lens and camera and want to confirm the fit, send us both and we will check it with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo electronic control:\u003c\/strong\u003e it is a mechanical adapter, so autofocus and electronic aperture control are not available.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLens and camera sold separately.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBundle style:\u003c\/strong\u003e SVBONY also lists an SV149-SV405CC camera bundle; this listing is the adapter on its own.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Mount the lens on the bayonet, slide the eyepiece or camera nosepiece into the 1.25″ holder and tighten the screw against the brass ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with Canon lenses?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. This version is for Nikon AF lenses. SVBONY's Canon EF\/EF-S SV149 is a separate adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it pass any electronic signals?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a purely mechanical connection.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 137 g all-metal adapter that turns a Nikon AF lens into a wide-field optic for a 1.25″ astronomy camera or eyepiece.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"SV149","offer_id":67722188521583,"sku":"W9112B","price":29.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9112b-0_20251231153145_8311.webp?v=1791669939"},{"product_id":"svbony-sv152-20mm-illuminated-crosshair-eyepiece","title":"SVBONY SV152 20mm 70° Illuminated Crosshair Eyepiece (1.25″)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650922972046035213800.jpg?v=1791669940\" alt=\"SVBONY SV152 20mm illuminated crosshair eyepiece key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV152 is a 1.25″, 20 mm eyepiece with a 70° apparent field and an illuminated single crosshair reticle. A clip-on LED illuminator lights the crosshair red, with adjustable brightness, so you can centre a star precisely without losing night vision. The optical design is 5 elements in 4 groups, fully multi-coated, with 16 mm eye relief and a 25 mm field stop. It runs on two 1.5 V button cells and weighs 221 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923167195637140395.jpg?v=1791669940\" alt=\"SVBONY SV152 illuminated crosshair eyepiece overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you need a reticle eyepiece for centring stars during mount alignment, manual guiding, aligning a finder or guide scope with your main telescope, or checking that a target sits dead-centre before handing over to a camera.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIlluminated single crosshair:\u003c\/strong\u003e red LED with adjustable brightness to suit faint or bright stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 mm, 70° field:\u003c\/strong\u003e a wide view that makes it easy to find a star before centring it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 mm eye relief:\u003c\/strong\u003e comfortable viewing with a rubber eyecup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully multi-coated, blackened lens edges:\u003c\/strong\u003e good light transmission on faint stars and reduced internal reflections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-step anodised aluminium body:\u003c\/strong\u003e matte finish that resists glare.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923307153642236390.jpg?v=1791669940\" alt=\"SVBONY SV152 crosshair reticle detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923418200729117336.jpg?v=1791669940\" alt=\"SVBONY SV152 LED illuminator brightness control\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923502022782309863.jpg?v=1791669940\" alt=\"SVBONY SV152 eyepiece feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SV152 uses a 5-element, 4-group design with full multi-coating and blackened edges. The 25 mm field stop with a 20 mm focal length gives a true field that is generous for a reticle eyepiece, and the crosshair sits at the focal plane so it stays sharp as you focus on the star. The bottom of the barrel carries a standard M28.5 x 0.6 filter thread.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923559350397917334.jpg?v=1791669940\" alt=\"SVBONY SV152 eyepiece optical structure\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount alignment\u003c\/strong\u003e by centring alignment stars precisely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual guiding\u003c\/strong\u003e with a guide scope or off-axis setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinder and guide-scope alignment\u003c\/strong\u003e with the main telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923616490278064067.jpg?v=1791669940\" alt=\"SVBONY SV152 illuminated eyepiece in use\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel:\u003c\/strong\u003e 1.25″, fits any 1.25″ focuser or diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter thread:\u003c\/strong\u003e M28.5 x 0.6 standard 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e two 1.5 V button cells, included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923645861897518163.jpg?v=1791669940\" alt=\"SVBONY SV152 eyepiece dimensions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x 1.25″ SWA 70° 20 mm eyepiece\u003c\/li\u003e\n\u003cli\u003e1 x LED illuminator\u003c\/li\u003e\n\u003cli\u003e2 x rubber eyepiece caps\u003c\/li\u003e\n\u003cli\u003e2 x 1.5 V button cells\u003c\/li\u003e\n\u003cli\u003e1 x lens cloth\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378650923706432435645125.jpg?v=1791669940\" alt=\"SVBONY SV152 illuminated eyepiece package contents\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBatteries:\u003c\/strong\u003e two 1.5 V button cells are included; spares are a standard size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle crosshair:\u003c\/strong\u003e the reticle is a plain crosshair rather than a double-line or scaled reticle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Fit the illuminator, insert the eyepiece in the focuser, focus on a star and turn up the LED until the crosshair is just visible.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for general observing?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. With the LED off it is a 20 mm, 70° eyepiece, though the crosshair remains in the view.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the brightness adjustable?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The LED brightness is adjustable so the crosshair can be set dim for faint stars.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 20 mm, 70° 1.25″ eyepiece with an adjustable red-lit crosshair for centring stars, aligning finders and guiding by eye.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722188587119,"sku":"W9115A","price":91.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9115a-0_20251231153727_0043.webp?v=1791669940"},{"product_id":"svbony-sv126-vehicle-window-mount","title":"SVBONY SV126 Adjustable Vehicle Window Mount for Spotting Scopes and Binoculars","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189387663799286787724.jpg\" alt=\"SVBONY SV126 vehicle window mount key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV126 is a window mount that clamps to a partly lowered vehicle side window and carries a spotting scope, monocular or pair of binoculars on a standard 1\/4″-20 thread. The head rotates through 360° and adjusts both vertically and horizontally, so you can aim from the driver's or passenger's seat without setting up a tripod. The body is metal with ABS parts, weighs 328 g, has a 136 mm handle, and SVBONY rates it to a theoretical 5 kg load.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189389466328415822439.jpg\" alt=\"SVBONY SV126 vehicle window mount feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe birds or wildlife from a car — on refuge loops, back roads or anywhere getting out would flush the subject — and want a steadier view than handholding allows. It also suits scenic and landscape viewing with a spotting scope from a parked vehicle.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° rotating head:\u003c\/strong\u003e pan freely, with separate vertical and horizontal adjustment for framing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow clamp:\u003c\/strong\u003e grips the top edge of the vehicle's side window glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e SVBONY specifies a metal body with ABS components, built to stay steady while the vehicle is stationary or moving slowly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4″-20 UNC thread:\u003c\/strong\u003e the standard tripod thread used on spotting scopes, binocular adapters and cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e136 mm handle:\u003c\/strong\u003e for adjusting and locking the head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189390672322646505047.jpg\" alt=\"SVBONY SV126 vehicle window mount 360 degree rotation and adjustment\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189391915324525493940.jpg\" alt=\"SVBONY SV126 vehicle window mount metal construction\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189393384868435440364.jpg\" alt=\"SVBONY SV126 vehicle window mount window clamp detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirdwatching from a vehicle\u003c\/strong\u003e at wildlife refuges and drive-through reserves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWildlife observation\u003c\/strong\u003e where staying in the car keeps animals undisturbed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScenic and landscape viewing\u003c\/strong\u003e with a spotting scope from a parked car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigiscoping\u003c\/strong\u003e with a spotting scope and phone or camera adapter, where the window gives a stable rest.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189397729929279733598.jpg\" alt=\"SVBONY SV126 vehicle window mount 1\/4-20 thread connection\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189398951241717136545.jpg\" alt=\"SVBONY SV126 vehicle window mount with spotting scope in use\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189400598733365606382.jpg\" alt=\"SVBONY SV126 vehicle window mount with binoculars in use\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpotting scopes and monoculars\u003c\/strong\u003e with a 1\/4″-20 tripod socket or foot thread directly onto the head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinoculars\u003c\/strong\u003e need a binocular tripod adapter, which is sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras\u003c\/strong\u003e with a 1\/4″-20 socket also fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e 5 kg is SVBONY's theoretical maximum; the practical limit depends on what your vehicle's window glass can bear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189401884916271779818.jpg\" alt=\"SVBONY SV126 vehicle window mount dimensions and specifications\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189403018523809968206.jpg\" alt=\"SVBONY SV126 vehicle window mount product views\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount only:\u003c\/strong\u003e the scope, monocular and binoculars shown in SVBONY's images are for illustration and are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinocular adapter sold separately:\u003c\/strong\u003e binoculars without a 1\/4″-20 socket need an L-bracket style tripod adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow glass sets the limit:\u003c\/strong\u003e heavier scopes are best used with the window lowered only partly so more glass supports the clamp.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Lower the window a few inches, hook the clamp over the glass, tighten it, then thread your scope or binocular adapter onto the 1\/4″-20 head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it hold my spotting scope?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY rates the mount to a theoretical 5 kg. Most compact and mid-size spotting scopes sit well under that; the window glass itself is the practical limit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with binoculars?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, with a binocular tripod adapter, which is not included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work on a camera?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Any camera with a standard 1\/4″-20 tripod socket threads on directly.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 328 g metal window mount with a 360° head and a 1\/4″-20 thread that turns a vehicle side window into a steady rest for a spotting scope, monocular or adapted binoculars.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722189602927,"sku":"F9197B","price":22.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9197b-1_20250807093922_2276_20260814115430_5304.webp?v=1791669947"},{"product_id":"svbony-sa402-hydraulic-travel-tripod","title":"SVBONY SA402 Hydraulic Gimbal Aluminium Travel Tripod","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189505593836288468238.jpg?v=1791669817\" alt=\"SVBONY SA402 hydraulic gimbal travel tripod key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SA402 is an aluminium-alloy travel tripod with a hydraulic pan-and-tilt head, made for spotting scopes, small telescopes and cameras. It extends to 164 cm (64.56″), folds to 70 cm (27.56″), carries up to 6 kg (13.2 lb), and weighs 2200 g (4.85 lb). Equipment attaches through a standard 1\/4″ UNC screw on a quick-release plate.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189506621443617813648.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod hydraulic head graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you use a spotting scope for birding or wildlife, carry a compact telescope for casual observing, or want a single tripod that also handles a camera. The hydraulic head gives the smooth panning that spotting-scope and video work benefit from, and the folded length suits travel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic head:\u003c\/strong\u003e damped pan and tilt movement with a control handle for smooth tracking of moving subjects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 mm leg tubes:\u003c\/strong\u003e the widest leg section is 30 mm, paired with rubber feet for grip on uneven ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-section flip-lock legs:\u003c\/strong\u003e quick to extend and fold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in spirit level:\u003c\/strong\u003e one bubble level for setting the head level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-release plate:\u003c\/strong\u003e standard 1\/4″ UNC screw for fast attachment and removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium alloy and ABS construction:\u003c\/strong\u003e 2200 g (4.85 lb) net.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189507697335846587805.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod height and folded length graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189509190643897732870.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod leg tube and feet graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189510869547692320849.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod flip-lock legs graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eMechanical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe head uses a hydraulic damping mechanism, so pan and tilt motion stays smooth rather than jerky as you follow a bird in flight or reframe a view. The handle controls both axes, and the bubble level makes it quick to set the head level before you start. With a 6 kg (13.2 lb) rated load, it carries typical spotting scopes, small refractors and DSLR\/mirrorless cameras.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189512004335595670763.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod pan handle and spirit level graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189513413196491814138.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod quick-release plate graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpotting scopes:\u003c\/strong\u003e birding, wildlife and digiscoping, where smooth panning matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall telescopes:\u003c\/strong\u003e casual lunar and planetary viewing with a compact scope that has a 1\/4″ mount point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e photo and video, including action cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel:\u003c\/strong\u003e 70 cm folded length for packing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189515570740238563799.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod compatibility graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting thread:\u003c\/strong\u003e 1\/4″ UNC screw on the quick-release plate, the standard for cameras and most spotting scopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e SVBONY lists entry-level Nikon and Canon DSLR\/SLR cameras and action cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e up to 6 kg (13.2 lb).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189516628853206962171.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod detail graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189518252522319893709.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod specification graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6378189519496112176524036.jpg?v=1791669817\" alt=\"SVBONY SA402 tripod dimensions graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhoto-style head:\u003c\/strong\u003e it is a pan-tilt tripod rather than an astronomical mount, so it has no tracking and no slow-motion controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDovetail telescopes:\u003c\/strong\u003e a telescope that uses a Vixen-style dovetail needs an adapter with a 1\/4″ thread to attach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 715 × 130 × 130 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Open the flip locks, extend the legs, level the head with the bubble level, and clip your scope or camera on with the quick-release plate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow tall does it go?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUp to 164 cm (64.56″), folding down to 70 cm (27.56″).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much can it carry?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY rates it for 6 kg (13.2 lb).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for astrophotography?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt suits fixed-tripod wide-field shots with a camera. Long exposures of deep-sky objects need a tracking mount.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2200 g aluminium travel tripod with a hydraulic pan-tilt head, 164 cm reach and a 6 kg rating, for spotting scopes, compact telescopes and cameras on a standard 1\/4″ plate.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722191667311,"sku":"W9159A","price":102.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9159a-1_20250806180019_9379_20260814161348_3296.webp?v=1791669959"},{"product_id":"svbony-sv132-2-h-beta-filter","title":"SVBONY SV132 2″ H-Beta 25nm Visual Nebula Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029296852401851663295.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV132 is a 2″ H-Beta narrowband filter for visual observing. It passes a 25 nm ± 2 nm band centred on 486 nm ± 2 nm — the hydrogen-beta emission line — at a published 90% peak transmission, and blocks to OD3 across 300–1100 nm. The filter is coated on a 1.85 mm B270 substrate with a 44 mm clear aperture, 60\/40 surface quality and 1\/4λ surface parallelism, mounted in a metal cell with standard 2″ threads.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029138875923094057798.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter 486nm passband\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe faint emission nebulae visually through a larger-aperture telescope under dark skies, and want the handful of objects that shine mainly in H-beta — the Horsehead, California and Cocoon nebulae among them — to stand out from the background.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e486 nm H-beta passband:\u003c\/strong\u003e 25 nm FWHM isolates the blue hydrogen-beta line and suppresses the rest of the visible spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90% peak transmission:\u003c\/strong\u003e keeps as much of the target's light as possible at the eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOD3 blocking, 300–1100 nm:\u003c\/strong\u003e broad out-of-band suppression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB270 substrate, 1.85 mm:\u003c\/strong\u003e 60\/40 surface quality, 1\/4λ surface parallelism, 30″ parallelism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e44 mm clear aperture:\u003c\/strong\u003e sized for 2″ eyepieces and diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal cell with 2″ threads:\u003c\/strong\u003e precise threading that seals against light leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029297672830308590636.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter nebula targets\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029298407016527982995.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter coating and substrate\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Horsehead Nebula (B33)\u003c\/strong\u003e against the IC 434 glow — the classic H-beta target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe California Nebula (NGC 1499)\u003c\/strong\u003e, whose large, faint outline benefits from a low-power 2″ eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Cocoon Nebula (IC 5146)\u003c\/strong\u003e and other H-beta-bright emission regions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads:\u003c\/strong\u003e standard 2″ filter thread; screws into 2″ eyepiece barrels and threaded 2″ diagonal nosepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture:\u003c\/strong\u003e SVBONY recommends a large-aperture telescope; small apertures do not gather enough light for these faint targets through a narrow passband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSky:\u003c\/strong\u003e the target nebulae are best seen from dark sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed the 1.25″ size?\u003c\/strong\u003e SVBONY also makes the SV132 H-Beta in 1.25″.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029299118711613838191.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter cell and thread\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialist filter:\u003c\/strong\u003e H-beta enhances a short list of objects. For broader nebula work, an OIII or UHC-type filter covers more targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture matters:\u003c\/strong\u003e SVBONY does not recommend it for small-aperture telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual filter:\u003c\/strong\u003e it is designed for eyepiece use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads onto the barrel of a 2″ eyepiece or into the nosepiece of a threaded 2″ diagonal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat can I see with an H-Beta filter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMainly emission nebulae that are bright in hydrogen-beta, such as the Horsehead, California and Cocoon nebulae.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size telescope do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY recommends a large-aperture telescope; small apertures are not recommended with this filter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it help in light-polluted skies?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIts targets are best observed from dark sites; the filter boosts contrast on them but does not replace a dark sky.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″, 25 nm H-Beta filter at 486 nm with 90% peak transmission, made for bringing out the Horsehead, California and Cocoon nebulae in a larger telescope under dark skies.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003ePerformance Data\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eSVBONY's published transmission data for the SV132:\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387037662225298411081831.jpg\" alt=\"SVBONY SV132 2 inch H-Beta filter transmission curve\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722198351983,"sku":"W9102B","price":74.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806114107_5087_20260810145311_1602.webp?v=1791669990"},{"product_id":"svbony-sv101-travel-tripod","title":"SVBONY SV101 Aluminium Travel Tripod with Carry Bag","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182699555653800310.jpg?v=1791669822\" alt=\"SVBONY SV101 aluminium travel tripod key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV101 is a compact aluminium-alloy and ABS travel tripod for small spotting scopes, compact telescopes and cameras. It weighs 860 g (30.3 oz), extends to 138 cm (54.3″), folds to 45 cm (17.7″), and carries up to 2.5 kg (88.2 oz). Equipment mounts on a 1\/4″ screw, and a black carrying bag is supplied.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want a light tripod that packs into a backpack or carry-on for camping, travel or a quick look at the Moon, and your scope or camera sits within the 2.5 kg rating.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182744366934097209.jpg?v=1791669822\" alt=\"SVBONY SV101 tripod build and load graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight and compact:\u003c\/strong\u003e 860 g net and 45 cm folded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable legs:\u003c\/strong\u003e extend to a maximum of 138 cm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePan-tilt head:\u003c\/strong\u003e 360° horizontal rotation, 120° vertical adjustment and 90° head rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpirit level:\u003c\/strong\u003e for levelling the head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal plate:\u003c\/strong\u003e anti-skid rubber base with a 1\/4″ screw for cameras, spotting scopes and small telescopes.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCarry bag included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182777459456821710.jpg?v=1791669822\" alt=\"SVBONY SV101 tripod adjustable legs graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182808669246129372.jpg?v=1791669822\" alt=\"SVBONY SV101 tripod pan and tilt head graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact spotting scopes\u003c\/strong\u003e for birding and wildlife.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall travel telescopes\u003c\/strong\u003e with a 1\/4″ mount point, for lunar and casual observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras\u003c\/strong\u003e for travel photography.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182841368797501988.jpg?v=1791669822\" alt=\"SVBONY SV101 tripod mounting plate graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e universal 1\/4″ screw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e up to 2.5 kg (88.2 oz).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapters:\u003c\/strong\u003e SVBONY notes that some mounts need an adapter, sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV101 tripod\u003c\/li\u003e\n\u003cli\u003eBlack carrying bag\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386962182873972597242869.jpg?v=1791669822\" alt=\"SVBONY SV101 tripod folded with carry bag graphic\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-duty rating:\u003c\/strong\u003e 2.5 kg is the published maximum, which suits compact scopes and cameras rather than larger telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhoto-style head:\u003c\/strong\u003e no tracking or slow-motion controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDovetail telescopes:\u003c\/strong\u003e a scope that uses a dovetail rather than a 1\/4″ thread needs an adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Extend the legs, level the head with the spirit level, and thread your scope or camera onto the 1\/4″ screw.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow tall is it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e138 cm (54.3″) at full extension, 45 cm (17.7″) folded.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat can it hold?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUp to 2.5 kg (88.2 oz), per SVBONY.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it come with a bag?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, a black carrying bag is included.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: an 860 g aluminium travel tripod that reaches 138 cm, folds to 45 cm and carries 2.5 kg on a 1\/4″ screw, with a carry bag for packing.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722198810735,"sku":"F9140A","price":41.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9140a--11-_20250806104517_9424_20260820170906_3441.webp?v=1791669992"},{"product_id":"svbony-f9108a-2x-barlow-lens","title":"SVBONY 2x Barlow Lens 1.25″ with M42 Threads","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806112505_9310_20260820165422_3718.webp?v=1791670001\" alt=\"SVBONY F9108A 1.25″ 2x Barlow lens with M42 threads\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9108A is a 1.25″ (31.7 mm) 2x Barlow lens. It slides into a 1.25″ focuser or diagonal, accepts a 1.25″ eyepiece on top, and doubles the magnification that eyepiece gives on your telescope. The optics are optical glass with a multilayer broadband green coating, set in a black metal housing 7.5 cm (2.95″) long, with an M42 x 0.75 thread for camera use.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe the Moon and planets visually and want more magnification from the eyepieces you already own, or if you want a simple way to extend focal length for lunar and planetary imaging with an M42-threaded camera adapter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x magnification factor:\u003c\/strong\u003e a 20 mm eyepiece behaves like a 10 mm, effectively doubling your eyepiece set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultilayer broadband coating:\u003c\/strong\u003e applied to the optical glass to keep light loss low and contrast high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-metal housing:\u003c\/strong\u003e black metal body, 7.5 cm long.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1.25″ barrel:\u003c\/strong\u003e fits 1.25″ focusers, diagonals and eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 x 0.75 thread:\u003c\/strong\u003e lets the Barlow connect into an M42 (T2) camera train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA Barlow is a negative lens placed ahead of the focal plane. It lengthens the effective focal length of the telescope, so a 1000 mm telescope works as roughly 2000 mm with this lens at its rated position. Because the focal ratio doubles as well, image scale doubles for a camera and magnification doubles for an eyepiece, while eye relief and the eyepiece's apparent field are largely unchanged.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary observing:\u003c\/strong\u003e higher magnification on the Moon, Jupiter, Saturn and Mars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble stars:\u003c\/strong\u003e extra power for splitting close pairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary imaging:\u003c\/strong\u003e longer effective focal length for a larger image scale with an M42-threaded camera.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel:\u003c\/strong\u003e 1.25″ (31.7 mm) for 1.25″ focusers and diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepieces:\u003c\/strong\u003e accepts standard 1.25″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera use:\u003c\/strong\u003e M42 x 0.75 thread for M42\/T2 camera adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you are pairing it with a specific camera or adapter, send us your setup and we will confirm the connection with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification is limited by conditions:\u003c\/strong\u003e doubling power also enlarges atmospheric turbulence, so the highest combinations work best on steady nights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ only:\u003c\/strong\u003e it does not accept 2″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this Barlow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It goes into the focuser or diagonal like an eyepiece, and your eyepiece goes into the top of the Barlow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does 2x mean in practice?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach eyepiece gives twice its usual magnification. A 25 mm eyepiece on a 1000 mm telescope gives 40x on its own and 80x with the Barlow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for photography?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The M42 x 0.75 thread lets it sit in an M42-threaded camera train for lunar and planetary imaging.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a compact 1.25″ 2x Barlow with multi-coated optics and an M42 thread, doubling the magnification of your existing eyepieces for lunar and planetary work.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722200940655,"sku":"F9108A","price":21.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806112505_9310_20260820165422_3718.webp?v=1791670001"},{"product_id":"svbony-sv119-m48-extension-tube-kit","title":"SVBONY SV119 M48 Extension Tube Kit (5, 10, 15, 30 mm)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385881672556518594748926.jpg?v=1791669841\" alt=\"SVBONY SV119 M48 extension tube kit key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV119 (item F9190A) is a set of M48×0.75 extension tubes in 5 mm, 10 mm, 15 mm and 30 mm lengths. Each tube has a male thread on one end and a female thread on the other, so they stack in any combination to add the spacing an imaging train needs behind a reducer, field flattener, corrector or Barlow. The tubes are fully anodized aluminium with an internally threaded bore to cut stray reflections, and SVBONY publishes a net weight of 72.9 g (2.57 oz).\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385881680597466602543051.jpg?v=1791669841\" alt=\"SVBONY SV119 four-tube kit combinations\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image through an M48 corrector and need to hit its published backfocus, or if you want a few spare lengths on hand to fine-tune focus position and image scale with a camera or eyepiece train.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour lengths:\u003c\/strong\u003e 5, 10, 15 and 30 mm, giving any combination from 5 mm to 60 mm in 5 mm steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48×0.75 male and female threads:\u003c\/strong\u003e the tubes stack directly onto each other and onto M48 accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner-threaded bore:\u003c\/strong\u003e reduces stray light and internal reflections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodized aluminium:\u003c\/strong\u003e light, durable and black throughout.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385881687888766214906316.jpg?v=1791669841\" alt=\"SVBONY SV119 M48x0.75 male and female threads\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385881694465893014563095.jpg?v=1791669841\" alt=\"SVBONY SV119 inner threaded design\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing\u003c\/strong\u003e behind M48 field flatteners, reducers and coma correctors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus reach:\u003c\/strong\u003e extending the train when a camera or eyepiece cannot reach focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage scale:\u003c\/strong\u003e changing the spacing behind a Barlow to adjust magnification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6385881706129139591600771.jpg?v=1791669841\" alt=\"SVBONY SV119 anodized aluminium extension tubes\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M48×0.75 male and female on every tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnects:\u003c\/strong\u003e cameras, eyepiece adapters and other accessories with M48×0.75 threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e add the tube lengths to your camera's sensor-to-flange distance and any filter drawer or wheel to reach your corrector's required backfocus. Send us your setup and we will work the figure out with you.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5 mm M48 extension tube\u003c\/li\u003e\n\u003cli\u003e10 mm M48 extension tube\u003c\/li\u003e\n\u003cli\u003e15 mm M48 extension tube\u003c\/li\u003e\n\u003cli\u003e30 mm M48 extension tube\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical spacers only:\u003c\/strong\u003e they contain no glass and do not change focal length on their own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 only:\u003c\/strong\u003e an M42 (T2) train needs M42 tubes or an M48-to-M42 adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Choose the lengths that add up to the spacing you need and thread them together between your corrector and camera.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat spacings can I make?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny 5 mm step from 5 mm to 60 mm using the four tubes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo they work with M42 cameras?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNot directly. The tubes are M48×0.75 at both ends, so an M42 camera needs an M48-to-M42 adapter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: four stackable M48×0.75 anodized aluminium spacers, 5 to 30 mm, for setting backfocus and focus position in an imaging train.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722206019695,"sku":"F9190A","price":29.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9190a-1_20250807144744_5131_20260810143936_0388.webp?v=1791670025"},{"product_id":"svbony-sv133-1-25-filter-wheel","title":"SVBONY SV133 1.25″ Manual 5-Position Filter Wheel","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387056765513746281600130.jpg\" alt=\"SVBONY SV133 1.25 inch 5-position filter wheel key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV133 is a manual filter wheel with five numbered positions for 1.25″ filters on the standard M28.5 × 0.6 thread. It lets you change filters with a camera attached or an eyepiece in place, without breaking down the optical train. It attaches to the focuser either through the supplied 1.25″ nosepiece or by T-thread, and ships with a 1.25″ eyepiece adapter and a T-2 camera adapter. The metal body weighs 351.5 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387038647420964293794299.jpg\" alt=\"SVBONY SV133 1.25 inch filter wheel connection options\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you image with a T2-threaded DSLR adapter or astronomy camera and want to rotate between colour, narrowband or light-pollution filters during a session, or if you observe visually and like to compare filters on the same target without unscrewing them from eyepieces.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive numbered positions:\u003c\/strong\u003e precise positioning and numbered slots so you know which filter is in the path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ filters, M28.5 × 0.6:\u003c\/strong\u003e the standard 1.25″ filter thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo ways to connect:\u003c\/strong\u003e 1.25″ focuser nosepiece or T-thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera or eyepiece side:\u003c\/strong\u003e T-2 camera adapter and 1.25″ eyepiece adapter both included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal body:\u003c\/strong\u003e with a locking ring and 42 mm metal dust cap.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372991091907657623893092.jpg\" alt=\"SVBONY SV133 1.25 inch filter wheel five positions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB or narrowband imaging\u003c\/strong\u003e with a T2-fitted DSLR or CCD\/CMOS camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary filter comparison\u003c\/strong\u003e at the eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula filter testing\u003c\/strong\u003e visually, switching between filters on the same object.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e 1.25″ filters on the M28.5 × 0.6 thread, including SVBONY 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope side:\u003c\/strong\u003e 1.25″ focuser nosepiece (included) or T-thread connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera side:\u003c\/strong\u003e T-2 camera adapter included, for DSLR T-rings and T2-threaded astronomy cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece side:\u003c\/strong\u003e 1.25″ eyepiece adapter included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372991094000757517092469.jpg\" alt=\"SVBONY SV133 1.25 inch filter wheel included adapters\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eIf you are planning the wheel into an imaging train with a specific camera and corrector, send us your setup and we will work out the spacing with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSV133 1.25″ 5-position filter wheel\u003c\/li\u003e\n\u003cli\u003e1.25″ eyepiece adapter\u003c\/li\u003e\n\u003cli\u003e1.25″ focuser nosepiece\u003c\/li\u003e\n\u003cli\u003eT-2 camera adapter\u003c\/li\u003e\n\u003cli\u003eLocking ring\u003c\/li\u003e\n\u003cli\u003e42 mm metal dust cap\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6372991095682680068847882.jpg\" alt=\"SVBONY SV133 1.25 inch filter wheel product views\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFilters sold separately.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual operation:\u003c\/strong\u003e positions are changed by hand; there is no motor or computer control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical path length:\u003c\/strong\u003e SVBONY does not publish the wheel's thickness, which is the figure to account for in an imaging backfocus budget — we can help confirm it for your train.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Thread your filters into the five positions, attach the nosepiece or T-thread to your focuser, and fit the camera or eyepiece adapter on the other side.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it visually?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The included 1.25″ eyepiece adapter lets you observe through the wheel and switch filters at the eyepiece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit 2″ filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo, this wheel takes 1.25″ filters. SVBONY makes a separate 2″ version of the SV133.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it motorized?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo, it is a manual wheel.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 351.5 g manual five-position wheel for 1.25″ filters, with nosepiece, T-2 and eyepiece adapters included, for quick filter changes in imaging or visual setups.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722207297647,"sku":"W9103A","price":68.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9103a_20250807110149_7415_20260820160554_7023.webp?v=1791670030"},{"product_id":"svbony-2-uhc-light-pollution-filter","title":"SVBONY 2″ UHC Light Pollution Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6368834932617211706668990_2b7a8944-e92a-4f39-80d0-0698ee7d0c81.jpg?v=1791670033\" alt=\"SVBONY 2″ UHC light pollution filter key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is the 2″ version of the SVBONY UHC (Ultra High Contrast) light pollution filter. A UHC filter has a narrower passband than a broadband CLS filter: it reduces light from mercury-vapour and sodium-vapour street lamps and the natural oxygen airglow of the atmosphere while passing the emission lines of nebulae. The sky background turns darker and emission and planetary nebulae gain contrast. SVBONY builds it with an optical glass element in an aluminium frame and supplies it in a transparent storage case.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe or image emission nebulae from urban or suburban skies with a 2″ diagonal, 2″ eyepieces or a 2″ imaging train, and want the background darkened more than a broadband filter would manage.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9131b-1_20250807111141_9843--1-_20260810104404_3573.webp?v=1791670034\" alt=\"SVBONY F9131B 2″ UHC light pollution filter for nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-high contrast passband:\u003c\/strong\u003e selectively reduces artificial-light wavelengths so emission nebulae stand out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarker background:\u003c\/strong\u003e SVBONY rates the background darker and nebula contrast higher than with typical broadband filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical glass in an aluminium frame:\u003c\/strong\u003e built for frequent use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2″ format:\u003c\/strong\u003e for low-power, wide-field eyepieces and larger imaging sensors where a 1.25″ filter would vignette.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029079471920178388140_c205687b-ed74-4a3e-a2a8-22d92ed9b066.jpg?v=1791670033\" alt=\"SVBONY 2″ UHC filter nebula contrast and light pollution blocking panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field visual observing of emission nebulae:\u003c\/strong\u003e the Veil, North America and Orion nebulae through 2″ low-power eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae:\u003c\/strong\u003e improved contrast on the Ring, Dumbbell and Helix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour imaging under bright skies:\u003c\/strong\u003e emission targets through a 2″ nosepiece or filter drawer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260304091845_2351_df631f57-2432-4dc6-88b1-1552397b3ffc.webp?v=1791670034\" alt=\"SVBONY 2″ UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260304091847_9948_2ead0446-5acc-4522-ad74-697a42a61181.webp?v=1791670034\" alt=\"SVBONY 2″ UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e threads into the filter thread of 2″ eyepieces, diagonals, nosepieces and filter drawers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ trains:\u003c\/strong\u003e SVBONY makes the same filter in 1.25″ (F9131A), which we also list.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHC vs CLS:\u003c\/strong\u003e the UHC suits brighter skies; SVBONY's CLS is the wider-band option for moderately dark sites.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/3_20260304091850_2188_58b0a4b5-efef-4fbc-8f5f-fb9b3359527c.webp?v=1791670034\" alt=\"SVBONY 2″ UHC light pollution filter for emission nebula observing and imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest on emission objects:\u003c\/strong\u003e galaxies and star clusters are broadband targets and gain little from a UHC filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimmer stars and colour shift:\u003c\/strong\u003e the narrower passband dims stars visually and gives images a colour cast that is corrected in processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads by hand into the filter thread of a 2″ eyepiece, diagonal or nosepiece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it for visual use or imaging?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBoth. SVBONY presents it for visual observing and astrophotography.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShould I choose 2″ or 1.25″?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChoose 2″ if you use 2″ eyepieces or a 2″ diagonal, or image with a sensor large enough that a 1.25″ filter would vignette.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2″ UHC filter that darkens light-polluted skies and lifts emission and planetary nebulae, for wide-field visual observing and 2″ imaging trains.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"2″","offer_id":67722207789167,"sku":"F9131B","price":61.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9131b-1_20250807111141_9843--1-_20260810104404_3573.webp?v=1791670034"},{"product_id":"svbony-sv503-70ed-flat-field-refractor-ota","title":"SVBONY SV503 70ED f\/6.78 Flat-Field ED Refractor Telescope OTA","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388370617148740884701493.webp?v=1791669786\" alt=\"SVBONY SV503 70ED flat-field refractor with built-in two-element field flattener\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe SVBONY SV503 70ED is a 70 mm f\/6.78 extra-low-dispersion doublet refractor with a 474 mm focal length and a two-element field corrector built into the tube. Because the flattener is already in the optical path, the telescope delivers a corrected, flat field 32 mm across without a separate corrector or spacer calculation, which makes it a compact, ready-to-image wide-field astrograph that also works well visually.\u003c\/p\u003e\n\u003cp\u003eThe objective combines FPL51 ED glass with a lanthanum special-glass element. The 2.5″ rack-and-pinion focuser has coarse and fine knobs, a 2″ reduction adapter and an M54x0.75 female thread, and the dew shield retracts for storage. SVBONY lists the tube at 2685 g (5.9 lb) including accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055534958084994129.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED 70mm f\/6.78 aperture and focal ratio panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is a good match if you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWant a small refractor that images without extra correctors:\u003c\/strong\u003e the built-in flattener removes the spacing step that external flatteners need.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage wide fields:\u003c\/strong\u003e 474 mm suits large nebulae, star fields and the bigger galaxies such as M31.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel or set up quickly:\u003c\/strong\u003e a 365 mm minimum tube length and under 3 kg fit small mounts and star trackers with suitable payload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso observe:\u003c\/strong\u003e with a diagonal and eyepiece it gives sharp, low-colour wide-field views.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70 mm f\/6.78 ED doublet:\u003c\/strong\u003e FPL51 and lanthanum special glass to control chromatic aberration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in two-element corrector:\u003c\/strong\u003e a 32 mm flat field with 100% correction, per SVBONY.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5″ rack-and-pinion focuser:\u003c\/strong\u003e dual-speed knobs, 2″ reduction adapter, M54x0.75 female thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined threads and bayonets:\u003c\/strong\u003e keep components aligned on the optical axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield:\u003c\/strong\u003e adjustable length, 93 mm diameter, to block stray light and slow dew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRings and dovetail included:\u003c\/strong\u003e a pair of tube rings and a dovetail plate come with the OTA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055595151626875041.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED FPL51 ED glass objective panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOptical and Mechanical Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA conventional doublet focuses onto a curved surface, so stars toward the edge of a camera sensor elongate unless a separate flattener is fitted at a precise distance. In the SV503 70ED, SVBONY installs a two-element corrector inside the tube, at the correct position for the objective, and specifies a 32 mm corrected circle. That covers APS-C-sized and smaller astronomy camera sensors. The working distance is 127.5 mm from the 2″ receptacle, so the camera needs no further corrector spacing.\u003c\/p\u003e\n\u003cp\u003eThe ED objective pairs FPL51 with a lanthanum element to bring colours to a common focus. The 2.5″ focuser carries the weight of a camera and filter train, and its fine knob makes precise focus at the sensor straightforward.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055633744358730046.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED coarse and fine focus knobs\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055662702417666534.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED 2.5 inch rack-and-pinion focuser detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055691602675505988.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED focuser close-up\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-field deep-sky imaging:\u003c\/strong\u003e large emission nebulae, the Milky Way's star clouds and big galaxies with a dedicated astronomy camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband imaging:\u003c\/strong\u003e with filters in the 2″ or M54 train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable imaging:\u003c\/strong\u003e on compact equatorial mounts for travel and dark-site trips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual observing:\u003c\/strong\u003e wide, flat star fields with a diagonal and eyepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055720417723956428.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED CNC-machined threads and bayonets\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055777188927520953.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED retractable dew shield\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera connection:\u003c\/strong\u003e M54x0.75 female thread on the focuser, plus a 2″ receptacle; working distance 127.5 mm from the 2″ receptacle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use:\u003c\/strong\u003e SVBONY notes that a diagonal or an extension tube is needed to reach focus. A 2″-1.25″ adapter is included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor coverage:\u003c\/strong\u003e the 32 mm flat field suits sensors up to that diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e the supplied rings and dovetail fit Vixen-style saddles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew control:\u003c\/strong\u003e the 82 mm tube and 93 mm dew shield suit a dew heater strip; a matching SVBONY strip is among the add-ons on this page.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSVBONY also pairs this tube with its SV215 zoom eyepiece, a diagonal and a finder as a visual kit. If you want help matching a camera or filter train to the 127.5 mm working distance, send us your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388152055833357444592065.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED OTA with SV215 zoom eyepiece visual bundle\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x SV503 70 f\/6.78 OTA\u003c\/li\u003e\n\u003cli\u003e1 x 2″-1.25″ adapter\u003c\/li\u003e\n\u003cli\u003e1 x lens cover\u003c\/li\u003e\n\u003cli\u003e1 x pair of telescope tube rings\u003c\/li\u003e\n\u003cli\u003e1 x dovetail plate\u003c\/li\u003e\n\u003cli\u003e1 x 1.25″ dust cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical tube only:\u003c\/strong\u003e no mount, diagonal, eyepiece or finder is included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus for visual use:\u003c\/strong\u003e reaching focus with an eyepiece needs a diagonal or extension tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo separate flattener required:\u003c\/strong\u003e the corrector is built in, so an external flattener is not part of the imaging train.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Mount it by the supplied rings and dovetail, thread or clamp a camera on the focuser and focus. With the flattener built in, there is no corrector spacing to work out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a field flattener for imaging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The two-element corrector inside the tube gives a 32 mm flat field.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the working distance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e127.5 mm from the 2″ receptacle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it visually?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, with a diagonal or an extension tube to reach focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow heavy is it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2685 g (5.9 lb) including accessories, per SVBONY.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a 70 mm f\/6.78 ED doublet with its flattener built into the tube, giving a 32 mm flat field at 474 mm in a 2685 g package. Add a mount and a camera, or a diagonal and eyepiece, and it is ready to use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Data\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSVBONY publishes an interferometer report for the upgraded SV503 70ED OTA.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388542274366716395689892.webp?v=1791669786\" alt=\"SVBONY SV503 70ED upgraded OTA interferometer test report\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6388577507018417835308924.jpg?v=1791669786\" alt=\"SVBONY SV503 70ED interference report data\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"OTA","offer_id":67722208313455,"sku":"F9359E","price":511.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/sv503-f9359e-1_20251125135655_4795.webp?v=1791670041"},{"product_id":"svbony-sv182-6x30-straight-finder","title":"SVBONY SV182 6x30 Straight-Through Correct-Image Finder Scope with Bracket","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639476045281788719.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 straight-through finder scope key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV182 is a 6x30 optical finder scope with a straight-through view and correct-image optics, supplied with an X-Y spring bracket. Its 30 mm, two-element fully multi-coated objective and 120 mm focal length give 6x magnification, a 7.5° true field and a 5 mm exit pupil, with a brass crosshair reticle for centring targets. The image is upright and correctly oriented left to right, so what you see in the finder matches the sky chart and the view by eye. Net weight is 295 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639521431769323423.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope correct-image optics feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want a magnifying finder to replace or supplement a red-dot finder on a refractor, Newtonian or Maksutov, and you prefer looking straight along the tube with an image that is the right way up. It suits visual observers who star-hop to faint targets and imagers who need to place a target near the centre of the field before plate solving or guiding.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6x30 optics:\u003c\/strong\u003e 30 mm objective, 120 mm focal length, 6x magnification and a 7.5° true field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect-image view:\u003c\/strong\u003e up-down and left-right orientation matches the naked-eye view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight-through body:\u003c\/strong\u003e you sight directly along the finder, the same way you would point the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass crosshair reticle:\u003c\/strong\u003e a fine, non-illuminated crosshair for centring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFMC two-element objective:\u003c\/strong\u003e fully multi-coated, with blackened lens edges to control stray light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective-thread focusing:\u003c\/strong\u003e focus is set by turning the objective cell.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e15 mm eye relief and 5 mm exit pupil.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639555746627571374.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope feature panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639586916829643566.jpg?v=1791669906\" alt=\"SVBONY SV182 6x30 finder scope design detail panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639765351202766992.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope detail panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe objective is a two-element, single-group lens with full multi-coating. At 120 mm focal length and 6x, the 7.5° field is wide enough to recognise star patterns while still showing stars well below naked-eye limit, which makes the finder useful for stepping from a bright guide star to a faint target. An erecting system delivers the correct-image view, and the 5 mm exit pupil keeps the image bright at night.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639616559311089938.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope X-Y spring bracket close-up\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAligning a telescope or GoTo mount\u003c\/strong\u003e on bright stars before handing over to the main optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar hopping\u003c\/strong\u003e to deep-sky objects with a correctly oriented view that matches a chart.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough framing\u003c\/strong\u003e for imaging before plate solving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaytime terrestrial spotting\u003c\/strong\u003e to align the finder with the main telescope on a distant object.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639646537591704215.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope focusing and mounting detail\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracket:\u003c\/strong\u003e X-Y spring-type bracket; the two adjusting screws push the finder against a spring for alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e the bracket base fits a standard finder shoe on your telescope. If you are unsure whether your telescope's shoe matches, send us a photo and we will check it with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight-angle alternative:\u003c\/strong\u003e SVBONY also makes the SV182 6x30 as a right-angle correct-image finder, which we carry as a separate listing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639676079237647175.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope use on a telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387322639705661497379771.jpg?v=1791669905\" alt=\"SVBONY SV182 6x30 finder scope specification panel\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight-through view:\u003c\/strong\u003e near the zenith, a straight finder has you looking up along the tube; the right-angle SV182 is the option if you prefer a more comfortable head position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-illuminated reticle:\u003c\/strong\u003e the brass crosshair is not lit, so against a dark sky it is seen as a silhouette on the background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet weight 295 g:\u003c\/strong\u003e light enough for most telescopes, though it adds a little front-end weight to balance on smaller mounts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The bracket slides into the finder shoe, and you align it in daylight by centring a distant object in the telescope and then turning the two X-Y screws until the crosshair sits on the same object.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the image upside down?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The SV182 is a correct-image finder, so the view is upright and not mirror-reversed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much sky does it show?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA 7.5° true field at 6x.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it focused?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBy turning the objective on its thread until stars are sharp.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 6x30 straight-through finder with a correct-image view, a 7.5° field, a brass crosshair and an X-Y spring bracket, for aligning your telescope and star hopping with a view that matches the chart.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722213163119,"sku":"W9141D","price":46.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9141d-1_20250806102759_4066_20260822135351_2530.webp?v=1791670049"},{"product_id":"svbony-1-25-moon-filter","title":"SVBONY 1.25″ Moon Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114l_20250807103226_4249.jpg?v=1791670057\" alt=\"SVBONY F9114L 1.25″ moon filter for lunar and planetary observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9114L is a 1.25″ moon filter in a metal, threaded cell. It cuts the glare of the bright Moon so craters, rilles and terminator detail are easier to hold, much as sunglasses do in daylight. The blue-tinted glass is 1.85 mm thick in a standard M28.5 x 0.6 cell, threaded on both sides so it can stack with other filters, and it comes in a plastic storage box.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you observe the Moon through a 1.25″ eyepiece and find it uncomfortably bright, especially around full Moon or with a large-aperture telescope. It also helps on bright planets and on daytime terrestrial views over sand or snow.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114a-1_20250807103225_8115_20260810173100_6025.webp?v=1791670055\" alt=\"SVBONY moon filter family image for lunar and planetary observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlare reduction:\u003c\/strong\u003e lowers lunar brightness and raises contrast for surface detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContrast on bright objects:\u003c\/strong\u003e SVBONY describes it as passing much of the visible spectrum while improving contrast on the Moon and planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuppresses street-light wavelengths:\u003c\/strong\u003e SVBONY notes it filters low-pressure sodium and similar lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal threaded cell:\u003c\/strong\u003e M28.5 x 0.6, threaded both sides for stacking with other 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e anodised housing supplied in a plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114a-2_20250807103226_2387.jpg?v=1791670056\" alt=\"SVBONY moon filter family image for lunar and planetary observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar observing:\u003c\/strong\u003e comfortable viewing of the Moon at all phases, particularly near full.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright planets:\u003c\/strong\u003e Venus and Jupiter at moderate power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaytime terrestrial viewing:\u003c\/strong\u003e reduced glare over bright sand or snow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114a-4_20250807103226_2383.jpg?v=1791670056\" alt=\"SVBONY moon filter family image for lunar and planetary observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M28.5 x 0.6, the standard 1.25″ filter thread on eyepieces and diagonals (31.7 mm caliber).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStacking:\u003c\/strong\u003e the double-sided thread allows it to sit with a colour or light pollution filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2″ version:\u003c\/strong\u003e SVBONY also makes it in 2″ (F9114A, M48 x 0.75).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114a-3_20250807103226_4237.jpg?v=1791670056\" alt=\"SVBONY moon filter family image for lunar and planetary observing\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x 1.25″ moon filter (F9114L)\u003c\/li\u003e\n\u003cli\u003e1 x plastic storage box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a solar filter:\u003c\/strong\u003e SVBONY states it is not suitable for viewing the Sun. Solar observing needs a dedicated full-aperture solar filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTinted view:\u003c\/strong\u003e the blue glass adds a slight colour tint to the Moon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e SVBONY does not publish a weight for this filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It threads by hand into the bottom of any 1.25″ eyepiece or the nosepiece of a 1.25″ diagonal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with other filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The cell is threaded on both sides, so it stacks with other 1.25″ filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it to look at the Sun?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a lunar and planetary filter only; SVBONY states it is not suitable for solar viewing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1.25″ M28.5 moon filter in a stackable metal cell that takes the glare off the Moon and bright planets for comfortable, higher-contrast viewing.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"1.25″","offer_id":67722214506607,"sku":"F9114L","price":16.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9114l_20250807103226_4249.jpg?v=1791670057"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/collections\/svbony__17024.jpg?v=1767588587","url":"https:\/\/ontariotelescope.com\/collections\/svbony-1.oembed?page=3","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}