{"title":"SVBONY Filter Wheels","description":"\u003cp\u003eSVBONY's SV133 manual 5-position filter wheels come in 1.25\" and 2\" for switching filters by hand. The SV164 2\" dark frame filter is an opaque filter for recording dark calibration frames with a camera that has no mechanical shutter. Part of \u003ca href=\"\/collections\/filter-wheels-1\"\u003eAstronomy Filter Wheels\u003c\/a\u003e.\u003c\/p\u003e","products":[{"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-sv133-2-filter-wheel","title":"SVBONY SV133 2″ Manual 5-Position Filter Wheel","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9103b-1_20250807110053_2496_20260810142735_7674.webp?v=1791670291\" alt=\"SVBONY SV133 2 inch manual 5-position filter wheel for deep-sky astrophotography\" 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 2″ is a manual filter wheel with five positions for 2″ filters. It lets you switch filters with a camera attached or a 2″ eyepiece in place, so a session is not interrupted by unthreading filters. SVBONY lists it for 2″ eyepieces and for DSLR and CCD cameras, and builds it for frequent, long-term 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 image or observe with 2″ filters — narrowband, light-pollution or colour — and want to rotate between up to five of them during a session without breaking down your optical train.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive positions for 2″ filters:\u003c\/strong\u003e organized storage and consistent switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch without disassembly:\u003c\/strong\u003e change filters with a camera or eyepiece attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera or eyepiece use:\u003c\/strong\u003e SVBONY shows connections for both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy construction\u003c\/strong\u003e for frequent use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20260304094234_2208.webp?v=1791670291\" alt=\"SVBONY SV133 2 inch filter wheel for imaging and visual 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\u003eNarrowband and broadband deep-sky imaging\u003c\/strong\u003e with a DSLR or astronomy camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual filter comparison\u003c\/strong\u003e with 2″ nebula filters on the same target.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20260304094236_5263.webp?v=1791670291\" alt=\"SVBONY SV133 2 inch filter wheel five filter positions\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eSVBONY shows the SV133 2″ in two configurations. With a camera and telescope:\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386547456116331317335737.jpg?v=1791669869\" alt=\"SVBONY SV133 2 inch filter wheel connected with camera and telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eAnd with an eyepiece and telescope:\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6386547463888701006015642.jpg?v=1791669868\" alt=\"SVBONY SV133 2 inch filter wheel connected with eyepiece and telescope\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e 2″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepieces:\u003c\/strong\u003e 2″ eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras:\u003c\/strong\u003e DSLR and CCD cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48-to-M42 adapter:\u003c\/strong\u003e not included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSVBONY does not publish the wheel's thread sizes or optical path length for this version. Send us your camera, corrector and focuser details and we will confirm the connections and spacing before you order.\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\u003cstrong\u003eM48-to-M42 adapter not included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual operation:\u003c\/strong\u003e no motor or computer control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e not published by SVBONY.\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 wheel between telescope and camera or eyepiece, and turn the wheel to select a filter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it visually?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. SVBONY shows it connected to an eyepiece and telescope as well as to a camera.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit 1.25″ filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis version is for 2″ filters. SVBONY makes a separate 1.25″ 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 manual five-position wheel for 2″ filters that lets you change filters with a camera or eyepiece attached, for imaging and visual sessions.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722264576111,"sku":"W9103B","price":92.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w9103b-1_20250807110053_2496_20260810142735_7674.webp?v=1791670291"},{"product_id":"svbony-sv164-2-dark-frame-filter","title":"SVBONY SV164 2″ Dark Frame Filter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371997501065360788822492.jpg?v=1791670356\" alt=\"SVBONY SV164 2″ dark 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 SV164 is a 2″ dark frame filter: an opaque, metal filter that blocks light from reaching the sensor. Placed in a filter wheel, it lets a camera without a mechanical shutter record dark calibration frames without removing the camera or capping the telescope. It is 1 mm thick with a standard M48 x 0.75 2″ thread.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9124B-0_20251231155106_9847.webp?v=1791670355\" alt=\"SVBONY SV164 2″ dark frame filter\" 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 CMOS or CCD astronomy camera and a 2″ filter wheel and want to automate dark frames at the end of a session, for example as part of a scripted capture sequence.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark frame imaging filter:\u003c\/strong\u003e blocks light so the camera records only its own thermal signal and hot pixels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2″ format, M48 x 0.75 thread:\u003c\/strong\u003e fits a 2″ filter wheel position.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 mm thick, metal construction.\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\/6371997501063463743072860.jpg?v=1791670356\" alt=\"SVBONY SV164 2″ dark filter 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\u003eDark frames\u003c\/strong\u003e taken from a filter-wheel slot, with the camera left in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated calibration\u003c\/strong\u003e at the end of an imaging sequence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371997501064547763208849.jpg?v=1791670356\" alt=\"SVBONY SV164 2″ dark filter thread 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\u003eFits:\u003c\/strong\u003e 2″ filter wheels and filter holders with M48 x 0.75 threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 1 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20250806115715_0130.jpg?v=1791670356\" alt=\"SVBONY SV164 dark filter in its cell\" 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 it passes no light, so it has no application for visual observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient light:\u003c\/strong\u003e for the cleanest darks it is worth also keeping stray light away from the rest of the train, since the filter covers the optical path only at the wheel.\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 a 2″ filter-wheel position like any other 2″ filter; set that slot as your dark position in your capture software.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy use a dark filter instead of a lens cap?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe filter wheel can switch to it automatically, so darks can be captured without anyone at the telescope.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with 1.25″ wheels?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a 2″, M48 x 0.75 filter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 1 mm, 2″ M48 opaque filter that turns a filter-wheel slot into a shutter for unattended dark frames.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722277781615,"sku":"W9124B","price":19.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/W9124B-0_20251231155106_9847.webp?v=1791670355"}],"url":"https:\/\/ontariotelescope.com\/collections\/filter-wheels-svbony.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}