{"product_id":"svbony-sv194-nikon-f-mount-t-ring-adapter","title":"SVBONY SV194 T2 (M42) to Nikon F-Mount T-Ring Adapter","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029261284967618637155.jpg?v=1791669923\" alt=\"SVBONY SV194 Nikon F-mount T-ring 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 SV194 is a T-ring that connects a T2 (M42×0.75) thread to a Nikon F-mount camera body. It is the camera-side piece of a prime-focus astrophotography train: the telescope's T-adapter, flattener or extension threads into it, and it bayonets onto your Nikon SLR or DSLR in place of a lens. It is machined from aluminium in black and weighs 31 g.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w1077a-1_20250807153049_3906_20260820164246_5738.webp?v=1791670402\" alt=\"SVBONY SV194 T2 M42 to Nikon F-mount T-ring adapter\" 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 shoot with a Nikon F-mount SLR or DSLR and want to attach it to a telescope, spotting scope, microscope or lens adapter that ends in a T2 thread.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eT2 (M42×0.75) female thread\u003c\/strong\u003e on the telescope side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNikon F-mount male bayonet\u003c\/strong\u003e on the camera side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight fit:\u003c\/strong\u003e SVBONY specifies a connection with no wobble or cross-threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium construction\u003c\/strong\u003e with high strength and impact resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029261314660984104321.jpg?v=1791669923\" alt=\"SVBONY SV194 Nikon F-mount adapter M42 and M48 thread 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\u003ePrime-focus astrophotography\u003c\/strong\u003e with a Nikon DSLR on a refractor or reflector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnecting T2 flatteners and reducers\u003c\/strong\u003e to a Nikon body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigiscoping and microscope photography\u003c\/strong\u003e through T2-threaded adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387029261347154966430248.jpg?v=1791669924\" alt=\"SVBONY SV194 Nikon F-mount adapter connection to 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\u003eCamera:\u003c\/strong\u003e Nikon F-mount SLR and DSLR bodies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope side:\u003c\/strong\u003e T2 \/ M42×0.75. SVBONY also makes a wide M48×0.75 version of the SV194 for 2″ and M48 trains; each product contains one size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e SVBONY does not publish an optical length for the SV194. If you are building a train to a flattener's backfocus, send us your parts list and we will check the total with you.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w1077a-2_20250807153049_3902.jpg?v=1791670403\" alt=\"SVBONY SV194 Nikon F-mount T-ring side 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\u003eMechanical adapter only:\u003c\/strong\u003e there are no electronic contacts, so the camera runs in manual mode with no lens communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT2 version:\u003c\/strong\u003e this listing is the M42×0.75 (T2) 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. Thread it onto your telescope's T2 adapter, then mount the camera body on it like a lens.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill autofocus or aperture control work?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a mechanical connection; exposure is set manually on the camera.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit M48 adapters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis one is T2 (M42). SVBONY makes a separate M48 version.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: an aluminium T2 (M42×0.75) to Nikon F-mount T-ring that puts a Nikon SLR or DSLR at the end of a telescope or T2 imaging train.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722288529519,"sku":"W1077A","price":11.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/w1077a-1_20250807153049_3906_20260820164246_5738.webp?v=1791670402","url":"https:\/\/ontariotelescope.com\/products\/svbony-sv194-nikon-f-mount-t-ring-adapter","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}