{"title":"Ontario Telescope Adapters \u0026 Extensions","description":"\u003cp\u003eOntario Telescope's own adapters include M68 extension tubes in 10mm and 60mm, T2 and M48 variable locking extension rings, a Canon EOS 48mm T-mount, T-mount to Sony E and Nikon Z to M42 adapters, an M54 male to M48 male adapter, a Sony E to Canon EF lens adapter set, and custom machined adapters made to order. Part of \u003ca href=\"\/collections\/t-rings-and-mechanical-adapters\"\u003eT-Rings, Adapters \u0026amp; Spacers\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sony-e-mount-to-canon-ef-lens-adapter-48mm-filter-set","title":"SONY E-mount to Canon EF lens adapter (48mm filter) set","description":"\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small;\"\u003eSONY E-mount to Canon EF lens adapter (48mm filter) set\u003c\/span\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013374931055,"sku":"EMC48","price":289.99,"currency_code":"CAD","in_stock":true}]},{"product_id":"t-mount-lens-to-sony-e-mount-camera-adapter","title":"T Mount Lens to Sony E-Mount Camera Adapter","description":"\u003cdiv class=\"ov-wrapper js-overview-desc\" style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: OpenSans, Arial, sans-serif; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003e\u003cdiv class=\"ov-desc\" style=\"box-sizing: border-box; margin: 0px; padding: 0px 0px 30px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 16px; line-height: 28px; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003e\n\u003cp class=\"ov-desc-paragraph\" style=\"color: rgb(70, 70, 70); box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 28px; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003e\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin: 0px; padding: 0px 0px 30px; border: 0px; font-style: italic; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 18px; line-height: 30px; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003e T Mount Lens to Sony E-Mount Camera Adapter\u003c\/span\u003e allows you to attach a T mount lens to a Sony E-mount (NEX or full-frame) camera body. You can also use it to mount your camera onto a telescope that has a T mount. The lens adapter is designed to fit securely to the lens, yet can still be removed easily when not needed. Featuring all-metal construction, it has a secondary ring inside it with three positioning screws enabling adjustments to make sure your lens is straight.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 28px; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased;\"\u003eAutomatic aperture and AE metering will be disabled by the lens adapter as there will be no mechanical linkage between camera body and lens. You will need to set exposures manually. The lens will retain its ability to focus to infinity.\u003c\/p\u003e\n\u003cp style=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"sectionHeaders js-hiddenFeatures\" data-selenium=\"sectionHeaders\" style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: OpenSans, Arial, sans-serif; vertical-align: baseline; -webkit-font-smoothing: antialiased; clear: both;\"\u003e\u003cdl class=\"js-featureSectionDL\" style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased; clear: right;\"\u003e\u003cdd class=\"featuredd c28\" style=\"box-sizing: border-box; margin: 0px 0px 0px 40px; padding: 0px 0px 24px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 16px; line-height: 28px; font-family: inherit; vertical-align: baseline; -webkit-font-smoothing: antialiased; position: relative; background-image: initial; background-position: 0px 0px; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"\u003eFeatures durable all-metal construction\u003c\/dd\u003e\u003c\/dl\u003e\u003c\/div\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013377290351,"sku":"LA-NEX-T","price":44.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/vello_la_nex_t_lens_mount_adapter_839140__59096.jpg?v=1766552277"},{"product_id":"canon-eos-t-mount-48mm","title":"Canon EOS T Mount 48mm","description":"\u003cspan style=\"color: rgb(51, 51, 51); font-family: \" open sans neue helvetica arial sans-serif x-large rgb font-size:=\"\" background-color:=\"\"\u003eCanon EOS T Mount For 48mm accessories.   This is required for full frame camera's.\u003c\/span\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013394886767,"sku":"C48","price":39.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/William-Optics-T2-Ring-fuer-Nikon-und-Flattener-ZenithStar-71-61__01967.jpg?v=1766552716"},{"product_id":"custom-machined-adapter","title":"Custom Machined Adapter","description":"Custom machining services.","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013423132783,"sku":"CMA","price":270.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"t2-variable-locking-extension-ring","title":"T2 Variable Locking Extension Ring","description":"\u003cp style=\"margin: 1em 0px; line-height: 1.5em; color: rgb(38, 38, 38); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 13.2px; background-color: rgb(252, 253, 253);\"\u003eThe variable spacer \/ extension ring has been redesigned to minimize flex and enables you fine tune the exact distance you require between camera and flattener or filter holders, etc.\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"margin: 1em 0px; line-height: 1.5em; color: rgb(38, 38, 38); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 13.2px; background-color: rgb(252, 253, 253);\"\u003eUseful in astronomy and microscopy for precisely adjusting the spacing between optics and camera sensors to get the best image.\u003c\/p\u003e\u003cp style=\"margin: 1em 0px; line-height: 1.5em; color: rgb(38, 38, 38); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 13.2px; background-color: rgb(252, 253, 253);\"\u003eSpacing distance can be adjusted precisely, measured between the two surfaces shown in the product image. Once adjusted, it's then locked in position with the locking ring.\u003c\/p\u003e\u003cul style=\"margin: 1em 0px; padding: 0px 0px 0px 40px; color: rgb(38, 38, 38); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 13.2px; background-color: rgb(252, 253, 253);\"\u003e\n\u003cli\u003eHeavy-duty construction to control flex in the imaging train.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasy-Grip knurled ring for easier loosening \/ tightening.\u003c\/li\u003e\n\u003cli\u003eMale and female T2 M42x0.75 thread on each end compatible with most camera accessories.\u003c\/li\u003e\n\u003cli\u003eThe spacer can be \"stacked\" with other T2 fixed or variable spacers in the range to achieve the exact distance you require between camera and optics.\u003c\/li\u003e\n\u003cli\u003eCompatible with T2 DSLR Adapters.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013480444015,"sku":"T2-VAREX","price":44.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/T2-VAREX_450w-01__21923.jpg?v=1766554426"},{"product_id":"m54-male-to-m48-male-adapter","title":"M54 MALE TO M48 MALE ADAPTER","description":"\u003cp style=\"box-sizing: inherit; margin: 0px; color: rgb(94, 94, 94); font-family: \" source sans pro arial sans-serif rgb font-size:=\"\" background-color:=\"\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eAdapter M54 Male to M48 Male\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eM54 Male threads are M54 x 0.75 x 3.5mm\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eM48 Male threads are M48 x 0.75 x 9.5mm\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eOverall height of 15mm\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eInternally threaded to reduce reflections\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; color: rgb(94, 94, 94); font-family: \" source sans pro arial sans-serif rgb font-size:=\"\" background-color:=\"\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eUsed for digital cameras and filter wheels\u003c\/span\u003e\u003c\/p\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013576257647,"sku":"ADM54M48","price":24.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ADM54M48__13862.png?v=1766556753"},{"product_id":"m68-extension-tube-10mm-long","title":"M68 Extension Tube, 10mm Long","description":"M68 Extension Tube, 10mm Long","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013754482799,"sku":"M68\/10","price":60.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"m68-extension-tube-60mm-long","title":"M68 Extension Tube, 60mm Long","description":"M68 Extension Tube, 60mm Long","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44013754613871,"sku":"M68\/60","price":100.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"nikon-z-mount-m42-adapter","title":"Nikon Z mount M42 adapter","description":"\u003cp\u003e\u003cspan\u003eLens mount adapter ring is suitable for M42 lens to for Nikon Z mount full series, such as for Nikon Z6, Z7, Z50 and other full frame camera.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ontario Telescope and Accessories","offers":[{"title":"Default Title","offer_id":44014093893743,"sku":"T-ZM42","price":45.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/61PfesV-liL._AC_SX679___93409.jpg?v=1766570828"}],"url":"https:\/\/ontariotelescope.com\/collections\/t-rings-and-mechanical-adapters-ontario-telescope.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}