{"title":"Nosepieces \u0026 Visual Adapters","description":"\u003cp\u003e1.25\" and 2\" barrel fittings — nosepieces that drop a camera or accessory straight into a focuser or diagonal, and visual adapters for eyepiece use.\u003c\/p\u003e\u003cp\u003eGoods ship factory-sealed.\u003c\/p\u003e","products":[{"product_id":"antares-2-to-1-25-adapter-with-twist-lock","title":"Antares 2\" to 1.25\" adapter with Twist-Lock","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 10pt; line-height: 115%; font-family: Arial, sans-serif; background: white;\"\u003eForget about fumbling for thumbscrews in the dark. With this innovative 2 -1.25  low-profile eyepiece adapter from Antares, just twist the lock ring and your eyepiece or laser collimator is centered precisely!\u003cspan class=\"apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 10pt; line-height: 115%; font-family: Arial, sans-serif;\"\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background:white\"\u003eAttaches a T-ring directly by simply removing the lock ring\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"background:white\"\u003eWorks with smooth and recessed eyepiece barrels\u003cspan class=\"apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"background:white\"\u003ePolypropylene compression ring will not mar your eyepieces\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"background:white\"\u003eAll metal construction (except for the compression ring)\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"background:white\"\u003eYou'll want one for every scope!\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family:\" arial\u003e\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44012381831279,"sku":"MDATL","price":38.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/twistlock__86871.jpg?v=1766547905"},{"product_id":"baader-2-t-2-nose-piece","title":"Baader 2\" \/ T-2 Nose Piece","description":"\u003ch3 style=\"box-sizing: border-box; margin: 0px 0px 10px; padding: 0px; font-size: 18px; font-weight: 400; color: rgb(99, 99, 99); font-family: \" open sans sans-serif optimizespeed uppercase rgb line-height:=\"\" text-rendering:=\"\" text-transform:=\"\" background-color:=\"\"\u003e\u003ca href=\"http:\/\/www.baader-planetarium.com\/en\/blog\/the-baader-astro-t-2-system\/\" title=\"The Baader Astro T-2 System \" style=\"box-sizing: border-box; margin: 0px; padding: 0px; touch-action: manipulation; color: rgb(235, 2, 53); text-decoration: none; transition: all 0.2s;\"\u003eTHE BAADER ASTRO T-2 SYSTEM \u003c\/a\u003e\u003c\/h3\u003e\u003cdiv class=\"post-entry entry post-entry-with-image\" style=\"box-sizing: border-box; margin: 0px; padding: 0px; font-family: \" open sans sans-serif rgb color:=\"\" font-size:=\"\" background-color:=\"\"\u003e\n\u003cdiv class=\"featured-image left\" style=\"box-sizing: border-box; margin: 0px 1.5em 0px 0px; padding: 0px; float: left;\"\u003e\u003ca href=\"http:\/\/www.baader-planetarium.com\/en\/blog\/the-baader-astro-t-2-system\/\" title=\"The Baader Astro T-2 System \" style=\"box-sizing: border-box; margin: 0px; padding: 0px; touch-action: manipulation; color: rgb(235, 2, 53); text-decoration: none; transition: all 0.2s;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/t2-system-grafik-150x150_e1a49147-c94c-42d3-be03-f59cf6b5e8b4.jpg?v=1766551424\" alt=\"The Baader Astro T-2 System \" style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; display: block;\"\u003e\u003c\/a\u003e\u003c\/div\u003eBaader Astro T-2 System  Component Chart For over 30 years we have focused on the Astro T-2 thread system (M 42 x 0.75 mm); virtually every telescope manufacturer must offer this thread far ahead of the focal point of his instrument, such a universal T-ring (for DSLR cameras) can be connected. The only exceptions are (still) Russian equipment, there the thread diameter is the same, but the pitch is still 1mm per revolution - rather than 0.75mm! Therefore, we offer among other things a \"Russians adapter\". At only 7mm additional optical length it can allow so many Russian lenses or telescopes to be compatible with an international Astro T-2 (M 42 x 0.75mm) connector! For the sake of better recognition mostly are marked. See marking small 'a' or small 'i' in the respective indication! \"a\"; identifies an external thread (male); or, if Ø sign which a diameter, \"i\"; - a female is always (female) or - Ø character - an inner diameter.   The Optical Length A small selection from the variety of products from the Baader Astro T-2 System  The optical length describes the extension of the optical path caused by an adapter or accessory when inserted into the...\u003cdiv class=\"cta-wrapper\" style=\"box-sizing: border-box; margin: 1.5em 0px 0px; padding: 0px;\"\u003e\u003ca href=\"http:\/\/www.baader-planetarium.com\/en\/blog\/the-baader-astro-t-2-system\/\" title=\"The Baader Astro T-2 System \" class=\"button\" style=\"box-sizing: border-box; margin: 0px; padding: 7px 15px; touch-action: manipulation; color: rgb(255, 255, 255); text-decoration: none; transition: all 0.2s; background: rgb(235, 2, 53); display: inline-block; border: 0px; font-family: Raleway, \" helvetica neue verdana arial sans-serif line-height: text-align: center text-transform: uppercase vertical-align: middle white-space: nowrap\u003eREAD ARTICLE\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":44013368017007,"sku":"T2-16","price":62.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/bp-t216__56033.jpg?v=1766551425"},{"product_id":"t2-adapter-for-series4-14mm-and-series3-17mm","title":"T2 adapter for Series4 14mm and Series3 17mm","description":"\u003cspan style=\"font-family: Arial;\"\u003eDesigned and manufactured in Canada\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eWith this optional camera adapter you can connect a DSLR, mirror-less with the correct lens adapter, or even a dedicated camera.  The dedicated adapter provides a standard M42 T Thread.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44013573800047,"sku":"14S4-T2","price":23.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/adapter-m42-camera-sw14s4__25377.png?v=1766556669"},{"product_id":"t2-adapter-for-series4-6mm-and-9mm-eyepieces","title":"T2 adapter for Series4 6mm and 9mm eyepieces","description":"\u003cspan style=\"font-family: Arial;\"\u003eDesigned and manufactured in Canada\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eWith this optional camera adapter you can connect a DSLR, mirror-less with the correct lens adapter, or even a dedicated camera.  The dedicated adapter provides a standard M42 T Thread.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44013574094959,"sku":"6\/9S4-T2","price":19.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/adapter-m42-camera-sw6s4-sw9s4__92687.jpg?v=1766556679"},{"product_id":"2-nosepiece-for-arco-2","title":"2\" nosepiece for ARCO 2\"","description":"\u003cp\u003e\u003cspan\u003e2\" nosepiece for ARCO 2\" allows you to connect rotator to focusers that come with 2\" visual back and to control it through SESTO SENSO 2 installed on the same focuser.\u003cimg title=\"2 nosepiece for ARCO 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2-inch-nosepiece-for-arco-2-inch-dimensions_ea8f37c4-5c11-4e82-9f78-d2c05f3d5614.png?v=1766561895\" alt=\"2 nosepiece for ARCO 2\" width=\"1000\" height=\"672\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Primaluce Lab","offers":[{"title":"Default Title","offer_id":44013753729135,"sku":"PL3600413","price":69.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2-inch-nosepiece-for-arco-2-inch__21624.jpg?v=1766561897"},{"product_id":"ao-8-2-nosepiece-adapter","title":"AO-8 2″ Nosepiece Adapter","description":"\u003cp\u003eThis adapter plate screws directly into the front of an\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/diffractionlimited.com\/product\/ao-8a\/\"\u003eAO-8 Adaptive Optics\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eunit.  It works with the current AO-8A model, and older AO-8T and AO-8 versions.  It replaces the front T-thread adapter plate.\u003c\/p\u003e\n\u003cp\u003eThis adapter provides a larger front aperture when using a 2″ eyepiece interface, allowing more lateral adjustment range for the pick-off mirror in StarChaser SC-2 and older FW8G self-guided filter wheels.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013934280815,"sku":"ACC12","price":174.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ACC12-600x600__77289.jpg?v=1766567155"},{"product_id":"nosepiece-eyepiece-barrel-style","title":"Nosepiece – Eyepiece Barrel Style","description":"\u003cp\u003eNosepieces for use with compact cameras including Aluma CCD, STF series, and STT series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptions include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.25″ nosepiece with T-threads (M42 x 0.75)\u003c\/li\u003e\n\u003cli\u003e2″ nosepiece with T-threads (M42 x 0.75)\u003c\/li\u003e\n\u003cli\u003e2″ nosepiece with STL threads (2.156″ x 24)\u003cbr\u003eRecommended for use with off-axis autoguider cameras\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013958398063,"sku":"51516","price":120.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/51516-600x635__10646.jpg?v=1766567235"},{"product_id":"m54-male-to-2-nose-piece-adapter","title":"M54 Male to 2\" Nose Piece Adapter","description":"\u003cp\u003eAdapter for M54 Male to 2\" nose piece\u003cbr\u003eMale threads are M54 x 0.75 x 3.5mm\u003cbr\u003eInternally threaded to M48 x 0.75 for 2\" filters\u003cbr\u003eOverall height of 50mm\u003c\/p\u003e\n\u003cp\u003eUsed for filter wheels\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44014118568047,"sku":"ADM54MNP2","price":34.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ADM54M2NP__50893__44655.jpg?v=1766571941"},{"product_id":"player-one-cs-to-1-25-adapter-cs125","title":"Player One CS to 1.25\" Adapter (CS125)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One CS-1.25 Adapter is a machined metal adapter that connects CS-mount hardware to the 1.25-inch thread standard. It carries CS female threads on one side and M28.5 × 0.6 male threads on the other, so a CS-mount lens or component can thread onto a 1.25-inch camera or accessory. Player One lists its length as 5 mm plus 2.5 mm of thread (7.5 mm total).\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 CS-mount lens and want to mount it to a 1.25-inch threaded camera or imaging train — for example, pairing a CS lens with a guide or all-sky camera.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS female to M28.5 male:\u003c\/strong\u003e converts a CS-mount interface to the M28.5 × 0.6 (1.25-inch) thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact length:\u003c\/strong\u003e 5 mm body plus 2.5 mm of engaged thread (7.5 mm total).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined metal body for a rigid, repeatable join.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\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\u003eCS-mount lenses:\u003c\/strong\u003e attach a CS lens to a 1.25-inch threaded camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-sky and guide cameras:\u003c\/strong\u003e adapt CS-mount optics onto 1.25-inch camera bodies and trains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eOne end is CS female; the other is M28.5 × 0.6 male, the standard 1.25-inch filter\/accessory thread. It converts between those two standards only. If you are not sure whether your lens is CS or C mount, or how it will reach focus, send us your setup and we will confirm the fit.\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 it changes the thread interface — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS to 1.25-inch only:\u003c\/strong\u003e it does not adapt other thread standards.\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 directly between a CS-mount part and a 1.25-inch (M28.5) part with no tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat threads does it have?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCS female on one side and M28.5 × 0.6 male on the other.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it have any optics?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a mechanical thread adapter only.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a compact metal adapter that takes a CS-mount interface to the M28.5 × 0.6 (1.25-inch) thread, for putting CS lenses on 1.25-inch cameras and trains.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834274340975,"sku":"CS125","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/CS-ADAPTER.jpg?v=1784239593"},{"product_id":"takahashi-cca-250-visual-adapter-17mm","title":"Takahashi CCA-250 Visual Adapter 17mm","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe CCA-250 Visual Adapter is a Takahashi coupling with a published light path of 17 mm — the amount it contributes to your optical train, not its physical length end to end. Takahashi lists it as compatible with the CCA-250, FSQ-85EDX, FSQ-106ED, FC-100DL, and FC-100DF.\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 one of its listed telescopes and need a compact visual coupling to complete an eyepiece or accessory connection.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17 mm published light path:\u003c\/strong\u003e a small, precise addition to a visual or imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-scope compatibility:\u003c\/strong\u003e a single part number covers the CCA-250, FSQ-85EDX, FSQ-106ED, FC-100DL, and FC-100DF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid metal coupling:\u003c\/strong\u003e pairs with Takahashi's Coupling S and Coupling L rings for extended reach.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eCompleting a visual eyepiece connection or an intermediate coupling step in an imaging train on any of its compatible telescopes.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eCompatible with the CCA-250, FSQ-85EDX, FSQ-106ED, FC-100DL, and FC-100DF. The 17 mm figure is worth adding into your full back-focus total alongside any flattener, reducer, or filter wheel already in the chain — the \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e tabulates every Takahashi adapter's light path alongside each telescope's back focus target.\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 is a single coupling with no adjustment, though confirming the thread match on both sides is worth doing before you order the rest of your train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAdding a defined 17 mm connection point in a visual or imaging chain on the CCA-250, FSQ-85EDX, FSQ-106ED, FC-100DL, or FC-100DF.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be combined with Takahashi's Coupling S and Coupling L?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes — Takahashi pairs this adapter with the Coupling S and Coupling L rings when more reach is needed.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA 17 mm visual coupling for the CCA-250 and its compatible FSQ and FC-100 telescopes.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047909773423,"sku":"TAK-TKP86005","price":106.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/takahashi-m54-m43-adapter-tkp86005-astronomy-plus-1.jpg?v=1786936398"},{"product_id":"takahashi-2-adapter-for-fs-102-128-130-152","title":"Takahashi 2\" Adapter for FS-102\/128\/130\/152","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTakahashi's 50.8 Adapter for Normal Refractors (TKP27110) is the ring that lets an FS-102, FS-128, FS-130 or FS-152 take standard 2-inch eyepieces and diagonals. These four telescopes share a 2.7-inch drawtube, and a bare 2-inch barrel simply won't fit it without this step-down in between.\u003c\/p\u003e\u003cp\u003eTakahashi publishes a light path length of 40 mm for the adapter — not its physical size, but what it adds to the train once it's threaded on. At 40 mm it's a meaningful chunk of spacing, worth accounting for if you're already tight on focus travel or working out backfocus for a flattener downstream.\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 an FS-102, FS-128, FS-130 or FS-152 and want to run 2-inch eyepieces or a 2-inch diagonal on it.\u003c\/p\u003e\u003cp\u003eIt won't help on other Takahashi models, though — the FSQ-85ED and FSQ-106EDX4 use the same M72 thread but a shorter, 30 mm version of this adapter, sold separately.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM72 x 1.0 male telescope-side thread:\u003c\/strong\u003e fits the 2.7-inch drawtube of the FS-102\/128\/130\/152 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch (50.8 mm) accessory side:\u003c\/strong\u003e accepts standard 2-inch eyepieces and diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurely mechanical:\u003c\/strong\u003e a step-down ring, with no optical element and no effect on focal length or focal ratio.\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 with 2-inch wide-field eyepieces\u003c\/strong\u003e on the FS-102\/128\/130\/152.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting a 2-inch star diagonal,\u003c\/strong\u003e for the wider true field it gives over 1.25-inch.\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\u003eBuilt for the FS-102, FS-128, FS-130 and FS-152\u003c\/strong\u003e and their shared 2.7-inch drawtube — it isn't a universal 2-inch adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds 40 mm to the optical path.\u003c\/strong\u003e That's the figure to weigh against your focuser's inward travel and against any flattener's backfocus spec down the line. Our \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e lists it alongside the back focus each telescope needs.\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\u003eIt's specific to the 2.7-inch drawtube telescopes named above.\u003c\/strong\u003e Tell us your FS model if you're not sure which drawtube it uses and we'll confirm.\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 drawtube and the 2-inch accessory slides straight in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich telescopes does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FS-102, FS-128, FS-130 and FS-152, which all share a 2.7-inch drawtube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does it add to my optical train?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e40 mm, and that's worth checking against your focus travel before you order — send us your setup and we'll confirm it fits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work on the FSQ-85ED?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo — that telescope takes a shorter version of this adapter, at 30 mm of light path, sold as its own part.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2-inch adapter for the FS-102\/128\/130\/152's 2.7-inch drawtube, adding 40 mm of light path to the train.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047917506671,"sku":"TAK-TKP27110","price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/toa0400_2_6.jpg?v=1786936610"},{"product_id":"takahashi-2-adapter-for-fsq85-ed","title":"Takahashi 2\" Adapter for FSQ85-ED","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eTakahashi's 50.8 Adapter for the FSQ-106EDX4 and FSQ-85EDX (TKP27110S) slides inside the existing focuser drawtube on these two telescopes to accept 2-inch eyepieces and diagonals. It's also required on the FSQ-106EDX4 when the 1.6x Extender is fitted, where it supplies the same 2-inch step for that configuration.\u003c\/p\u003e\u003cp\u003eTakahashi publishes a light path length of 30 mm for it — shorter than the equivalent adapter for the FS-102\/128\/130\/152 series (40 mm), tuned instead to how these two telescopes are spaced. It's still worth factoring into a backfocus calculation if your train is already close to its limit.\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 an FSQ-85EDX or FSQ-106EDX4 and want to run 2-inch eyepieces or a diagonal directly, or if you're running the 1.6x Extender on the FSQ-106EDX4 and need the matching 2-inch step.\u003c\/p\u003e\u003cp\u003eIt isn't the same part as the FSQ85 2\" Visual Adapter (TKT37110) sold alongside it — that one is built for the Extender-QE 1.6x 2\" field flattener system rather than the bare focuser drawtube. See its own listing if that's your setup.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM72 x 1.0 male telescope-side thread:\u003c\/strong\u003e slides inside the FSQ-85EDX \/ FSQ-106EDX4 focuser drawtube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch (50.8 mm) accessory side:\u003c\/strong\u003e accepts standard 2-inch eyepieces and diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurely mechanical:\u003c\/strong\u003e no optical element, no change to focal length or focal ratio.\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 with 2-inch eyepieces\u003c\/strong\u003e on the FSQ-85EDX or FSQ-106EDX4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting a 2-inch diagonal\u003c\/strong\u003e for wide-field visual use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRunning the FSQ-106EDX4 with its 1.6x Extender,\u003c\/strong\u003e where this adapter supplies the required 2-inch step.\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\u003eBuilt for the FSQ-85EDX and FSQ-106EDX4 specifically.\u003c\/strong\u003e The M72 thread is shared with other Takahashi refractors, but the 30 mm light path is tuned to these two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds 30 mm to the optical path\u003c\/strong\u003e — enough to matter against a flattener's backfocus spec or a tight focuser travel. Our \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e lists this figure alongside the back focus each telescope needs.\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\u003eIt isn't interchangeable with the Normal Refractors version of this adapter,\u003c\/strong\u003e which runs a longer 40 mm light path built for the FS-102\/128\/130\/152 drawtube. Tell us your telescope model and we'll confirm the right one.\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 slides into the existing drawtube and the 2-inch accessory fits straight in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich telescopes does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FSQ-85EDX, and the FSQ-106EDX4 both on its own and with the 1.6x Extender fitted.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this the same part as the FSQ85 2\" Visual Adapter?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo — that one is built for the Extender-QE 1.6x 2\" field flattener system, a different point in the train with its own listing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does it add to my optical train?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e30 mm. Send us your full setup if you want to check it against your backfocus target.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 2-inch adapter for the FSQ-85EDX and FSQ-106EDX4's focuser drawtube, adding 30 mm of light path — on its own or with the 1.6x Extender fitted.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047917801583,"sku":"TAK-TKP27110S","price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/toa0401_2_6.jpg?v=1786936625"},{"product_id":"takahashi-fsq85-2-visual-adapter","title":"Takahashi FSQ85 2\" Visual Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is Takahashi's FSQ85 2\" Visual Adapter, part TKT37110 — a 2-inch ocular adapter built for use within the Extender-QE 1.6x 2\" field flattener system on the FSQ-106EDX. Takahashi's own listing describes it as the ocular adapter for that system, not as a direct focuser-drawtube fitting.\u003c\/p\u003e\u003cp\u003eIt's easy to confuse with the 2\" Adapter for FSQ85-ED (TKP27110S) sold alongside it, but the two serve different points in the train: that one slides directly into the bare focuser drawtube, while this one is the visual-side adapter for the Extender-QE system.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you're running the Extender-QE 1.6x 2\" field flattener on an FSQ-106EDX and need the matching 2-inch ocular adapter for visual use through that system.\u003c\/p\u003e\u003cp\u003eIf you're using the FSQ-85EDX or FSQ-106EDX4 directly, without the Extender-QE, the separate 2\" Adapter for FSQ85-ED (TKP27110S) is the part you want instead.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch (50.8 mm) tube:\u003c\/strong\u003e accepts standard 2-inch eyepieces and diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for the Extender-QE 2 system:\u003c\/strong\u003e Takahashi pairs it specifically with the FSQ-106EDX field-flattener setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurely mechanical:\u003c\/strong\u003e no optical element of its own.\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 through the Extender-QE system\u003c\/strong\u003e on an FSQ-106EDX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting a 2-inch diagonal or eyepiece\u003c\/strong\u003e where the Extender-QE's own visual path is being used.\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\u003eBuilt for the Extender-QE 1.6x 2\" field flattener on the FSQ-106EDX.\u003c\/strong\u003e It isn't the same fitting used on a bare FSQ-85EDX or FSQ-106EDX4 focuser — see the separate 2\" Adapter for FSQ85-ED for that use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurely mechanical\u003c\/strong\u003e — no correction, no change to focal length or focal ratio.\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\u003eIt isn't interchangeable with the 2\" Adapter for FSQ85-ED (TKP27110S).\u003c\/strong\u003e Both are 2-inch, 50.8 mm adapters at a similar price, but they fit different points in the train — tell us whether you're running the Extender-QE and we'll confirm which one you need.\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 fits into the Extender-QE's visual section the same way any 2-inch adapter installs, with nothing to align.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this the same as the 2\" Adapter for FSQ85-ED?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. That part fits the bare FSQ-85EDX or FSQ-106EDX4 focuser drawtube directly. This one is built for the Extender-QE 1.6x 2\" field flattener system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include any optics?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo, it's a mechanical adapter only.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: Takahashi's 2-inch ocular adapter for the Extender-QE 1.6x 2\" field flattener system on the FSQ-106EDX — a different part from the FSQ85-ED focuser adapter it's often confused with, built for a different point in the train.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047918686319,"sku":"TAK-TKT37110","price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/takahashi-2-fsq85-visual-adapter-tkt37110-astronomy-plus_529x529_15d22f11-89ad-4b6b-b79a-4fe42c39315a.jpg?v=1786936644"},{"product_id":"takahashi-fs-60cb-visual-adapter","title":"Takahashi FS-60CB Visual Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe FS-60CB Visual Adapter is Takahashi's dual-thread conversion ring for the FS-60 series, stepping either an M55.9 x 0.75 or an M52 x 0.75 telescope-side thread down to M43 x 0.75 for visual accessories. Takahashi publishes a 10 mm light path and a 35 g weight for the part.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you're building a visual train on an FS-60CB or similar M55.9\/M52-threaded Takahashi refractor and need to step down to the M43 visual-accessory standard.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual telescope-side thread:\u003c\/strong\u003e M55.9 x 0.75 female or M52 x 0.75 female, covering both common Takahashi drawtube standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM43 x 0.75 female output:\u003c\/strong\u003e Takahashi's standard visual-accessory thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35 g:\u003c\/strong\u003e the published weight for the part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTakahashi part TKP20005\u003c\/strong\u003e — listed as \"Visual adapter n°10.\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eUse it to convert an FS-60CB or comparably threaded Takahashi drawtube down to M43 for a diagonal, eyepiece holder, or other M43-standard visual accessory.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/TKP20005_schema.png?v=1786936378\" alt=\"Dimensional schema of the Takahashi FS-60CB Visual Adapter TKP20005 showing M55.9, M52 and M43 thread engagement\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eTakahashi publishes this adapter's light path as 10 mm, and its own diagram shows that figure applies through the M52 side — the M55.9 side runs 15 mm instead, so the number that applies depends on which thread engages your telescope. This is what the adapter contributes to your optical train, not a caliper measurement of the ring itself. The \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e tabulates this alongside the FS-60CB's back focus target.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eThe light path depends on which thread you engage.\u003c\/strong\u003e Takahashi publishes 10 mm through the M52 side and 15 mm through the M55.9 side. If you need the precise figure for your build, send us your telescope model and we will confirm which thread — and which light path — applies.\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 directly onto the drawtube on whichever side matches your telescope's thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConverting an FS-60CB-family M55.9 or M52 drawtube down to Takahashi's M43 visual-accessory thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work for imaging as well as visual use?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt carries no optics, so it works mechanically the same way in an imaging train, though Takahashi designates it a visual adapter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA 35 g dual-thread ring that steps an FS-60CB-family drawtube down to M43, with a published light path of 10 mm through its M52 side.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047922192495,"sku":"TAK-TKP20005","price":77.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/tkp20005_3.jpg?v=1786936672"}],"url":"https:\/\/ontariotelescope.com\/collections\/nosepieces-and-visual-adapters.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}