{"title":"Diffraction Limited Adapters","description":"\u003cp\u003eDiffraction Limited T-rings, spacers, extensions and thread adapters. Goods ship factory-sealed. If you're unsure what fits your setup, ask us before you order and we'll confirm it.\u003c\/p\u003e","products":[{"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":"stx-stxl-aluma-ac-adapter-plates","title":"STX\/STXL\/Aluma AC Adapter Plates","description":"\u003cp\u003eAluma AC, STX, and STXL cameras have a standard mounting bolt pattern (four 6-32 threaded holes on a 4″ diameter). We have a variety of bolt-on adapters available for different telescope interfaces.\u003c\/p\u003e\n\u003cp\u003eThe original 10018 adapter plate provides a 3″ OD dovetail plate and a 3.00 x 24 TPI thread.  This provides a very robust connection to the telescope and the largest clear aperture, but may require adapters on the telescope side.\u003c\/p\u003e\n\u003cp\u003eThe ACC06 2″ adapter plate provides a standard 2″ eyepiece barrel interface.  This is suitable for smaller sensors, but may vignette large sensors such as those in the Aluma AC4040 or STX-16803.\u003c\/p\u003e\n\u003cp\u003eThe ACC09 3″ adapter plate provides a 3″ eyepiece barrel interface.  This is directly compatible with many third party large format focusers.\u003c\/p\u003e\n\u003cp\u003ePlease note that a high quality focuser should be used to ensure that the weight of the camera and accessories is well supported. We recommend using at least three grub screws to ensure the camera is stably mounted.\u003c\/p\u003e\n\u003ch3\u003eBackfocus Data:\u003c\/h3\u003e\n\u003cp\u003eAll plates are 0.200″ thick.\u003c\/p\u003e\n\u003cp\u003eWhen using the “STX” style 3.5″ OD \/ 3 x 24 TPI thread adapter backfocus is 0.200″ (5.08 mm) when using the dovetail connection.  When using the threaded interface the total backfocus distance added is 0.670″ (17.02 mm).\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"STX 3.5\" OD\/ 3 X 24 THREADED","offer_id":44013954957423,"sku":"STX\/STXL","price":174.15,"currency_code":"CAD","in_stock":true},{"title":"2\" EYEPIECE STYLE","offer_id":44013954990191,"sku":"STX\/STXL","price":174.15,"currency_code":"CAD","in_stock":true},{"title":"3\" EYEPIECE STYLE","offer_id":44013955022959,"sku":"STX\/STXL","price":174.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IMG_1881__26632.jpg?v=1766567224"},{"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":"t-to-c-mount-lens-adapter","title":"T- to C-mount lens adapter","description":"\u003cp\u003eT-mount to C-mount lens adapter.\u003c\/p\u003e\n\u003cp\u003eThis has the standard 1-inch x 32TPI C-mount threads on the inside, and M42x0.75 T-thread on the outside.\u003c\/p\u003e\n\u003cp\u003eUse this to attach a microscope or small security-camera lens to your camera’s M42x0.75 T-thread.\u003c\/p\u003e\n\u003cp\u003eSimply thread the adapter into the camera T-thread, and thread your lens or microscope into the C-mount threads.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013960593519,"sku":"51532","price":81.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/51532__04266.jpg?v=1766567244"},{"product_id":"t-thread-visual-back","title":"T-thread visual back","description":"\u003cdiv class=\"description woocommerce-product-details__short-description\"\u003e\n\u003cp\u003eT-thread visual back for small Schmidt-Cassegrain Telescopes (SCT)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013962100847,"sku":"50702","price":66.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/50702__12287.jpg?v=1766567248"},{"product_id":"starchaser-spacers","title":"StarChaser Spacers","description":"\u003cp\u003eWe have a variety of spacers available to customize the back focus distance of your StarChaser camera.  Mount these between your StarChaser and the camera or filter wheel.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent options include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3″ diameter 0.75″ (19 mm) thick spacer for SC-3 series\u003c\/li\u003e\n\u003cli\u003e3″ diameter 0.55″ (14 mm) thick spacer for SC-3 series (same thickness as standard AFW series filter wheels)\u003c\/li\u003e\n\u003cli\u003e2″ diameter 0.15″ (4 mm) thick spacer for SC-2 series\u003c\/li\u003e\n\u003cli\u003e2″ diameter 0.45″ (11.5 mm) thick spacer for SC-2 series.  Recommended when mounting an SC-2 to an STC-7.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach spacer comes with longer mounting screws for use with your StarChaser off-axis guide camera.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"3\" DIAMETER 0.75\" (SC-3 SERIES)","offer_id":44013963968623,"sku":"ACC15","price":268.65,"currency_code":"CAD","in_stock":true},{"title":"3\" DIAMETER 0.55\" (SC-3 SERIES)","offer_id":44013964001391,"sku":"ACC15","price":268.65,"currency_code":"CAD","in_stock":true},{"title":"2\" DIAMETER 0.15\" (SC-2 SERIES)","offer_id":44013964034159,"sku":"ACC15","price":268.65,"currency_code":"CAD","in_stock":true},{"title":"2\" DIAMETER 0.75\" (SC-2 SERIES)","offer_id":44013964066927,"sku":"ACC15","price":268.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Adapter__74470.jpg?v=1766567252"},{"product_id":"stl-to-starchaser-adapters","title":"STL to StarChaser Adapters","description":"\u003cp\u003ettach a modern StarChaser off-axis guide camera to your trusty SBIG STL Research Series camera.\u003c\/p\u003e\n\u003cp\u003eUsing StarChaser provides off-axis guiding in front of the filters for the maximum sensitivity, especially when using narrowband filters.\u003c\/p\u003e\n\u003cp\u003eFor large sensors (e.g. STL-11000) or when using the external STL filter wheel, it is better to choose the StarChaser SC-3-SHORT.  It provides more spacing to the pick-off mirror and also has more backfocus adjustability.  The SC-3-SHORT supports the AO-X adaptive optics unit.  Note that you will need an adapter plate to connect to your telescope.\u003c\/p\u003e\n\u003cp\u003eThe ACC10 STL to StarChaser SC-3 adapter can also be used to attach an AFW series filter wheel to an STL camera.\u003c\/p\u003e\n\u003cp\u003eThe StarChaser SC-2 can be used with smaller sensors and the built-in filter wheel.  It is compatible with the AO-8A adaptive optics unit.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"STL TO SC-2 ADAPTER","offer_id":44013965541487,"sku":"ACC10","price":133.65,"currency_code":"CAD","in_stock":true},{"title":"STL TO SC-3 ADAPTER","offer_id":44013965574255,"sku":"ACC10","price":133.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ACC08-1__17513.jpg?v=1766567257"},{"product_id":"starchaser-sc-2-to-fw8-8300-adapter","title":"StarChaser SC-2 to FW8-8300 Adapter","description":"\u003cp\u003eThis adapter can be used to adapt the StarChaser SC-2 to FW8-8300 filter wheels that have their mounting holes at 45 degrees:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRaised side goes into filter wheel\u003c\/li\u003e\n\u003cli\u003eUnthreaded recessed holes are used to attach adapter to FW8-8300\u003c\/li\u003e\n\u003cli\u003eThreaded holes are used to attach SC-2 to adapter\u003c\/li\u003e\n\u003cli\u003eRotates the mounting holes 45 degrees relative to filter wheel mounting holes\u003c\/li\u003e\n\u003cli\u003eRecommended when using AO-8A and SC-2 with older FW8-8300 units\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013969047663,"sku":"ACC13","price":174.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ACC13-600x600__21082.jpg?v=1766567271"},{"product_id":"c-mount-adapter-for-rgh-st-i","title":"C-mount adapter for RGH \/ ST-I","description":"\u003cp\u003eC-mount lens adapter for Remote Guide Head and ST-I.  This is the same adapter used with the Kowa lens in the RGH Guider Kit.\u003c\/p\u003e\n\u003cp\u003eUse this to connect a security-camera style C-mount lens to a remote guide head.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013970260079,"sku":"10126","price":66.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/10126__13313.jpg?v=1766567276"},{"product_id":"replacement-boltwood-ii-adapter-box","title":"Replacement Boltwood II Adapter Box","description":"\u003cp\u003eReplacement adapter box for the Boltwood II Cloud Sensor.\u003c\/p\u003e\n\u003cp\u003eReplace a lost or damaged adapter box for the Boltwood II.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013989167215,"sku":"CS2-ADAPTER","price":403.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/box__78773.jpg?v=1766567336"}],"url":"https:\/\/ontariotelescope.com\/collections\/diffraction-limited-adapters.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}