{"product_id":"takahashi-multi-ca-ring-65d","title":"Takahashi Multi CA Ring 65D","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Multi CA Ring 65D is a camera adapter ring in Takahashi's FCT-65D conversion lens system, used to complete the mechanical connection between the FCT-65D's reducers or flatteners and a camera adapter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis ring suits FCT-65D owners assembling an imaging train with the 65D FU Reducer 0.65x or the FC\/FS Multi Flattener 1.04x, where the published system charts call for this ring as part of the mechanical path.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-built for the FCT-65D system:\u003c\/strong\u003e part of Takahashi's published conversion lens chart for this telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple mechanical ring:\u003c\/strong\u003e no optical elements — it exists purely to complete the thread interface between adjacent parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBuilding out an FCT-65D imaging train alongside the 65D FU Reducer 0.65x or the FC\/FS Multi Flattener 1.04x, where the ring is called for in Takahashi's system chart.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eUsed within the FCT-65D conversion lens system, alongside the 65D FU Reducer 0.65x and FC\/FS Multi Flattener 1.04x. If you're unsure whether your specific FCT-65D imaging train needs this ring, send us your setup and we'll confirm the fit with you. See the \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e for spacing across the full system.\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's a simple mechanical ring that threads into place within the FCT-65D system chart alongside your reducer or flattener.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCompleting the mechanical connection in an FCT-65D imaging train that uses the 65D FU Reducer or FC\/FS Multi Flattener.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it affect the optical path?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo — it's a mechanical ring with no lens elements of its own.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat else do I need with it?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe FCT-65D reducer or flattener it's paired with, plus your camera's own adapter to complete the train — send us your setup and we'll confirm what's needed.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA mechanical camera adapter ring in the FCT-65D conversion lens system, used alongside the telescope's reducers and flatteners to complete the imaging train.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047117869167,"sku":"TAK-TKA11203","price":61.49,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/tka11203-1.jpg?v=1786914260","url":"https:\/\/ontariotelescope.com\/products\/takahashi-multi-ca-ring-65d","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}