{"product_id":"takahashi-cca-250-98mm-spacer-ring-32-5mm","title":"Takahashi CCA-250 98mm Spacer Ring 32.5mm","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe 98mm Spacer Ring is a Takahashi M98 x 1.0 extension built for the CCA-250, most often paired with the TKA86580L super reducer. Takahashi publishes a 32.5 mm light path for it — the amount it contributes to your optical train, not its physical length end to end.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you run a CCA-250 with the TKA86580L super reducer and need to add 32.5 mm of spacing to reach your target back focus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM98 x 1.0 thread:\u003c\/strong\u003e matches the CCA-250 and Mewlon CRS body accessory family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32.5 mm published light path:\u003c\/strong\u003e a fixed, known contribution to your back focus total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnects through to the camera rotator:\u003c\/strong\u003e pairs with the TKP86003 adapter for rotator attachment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eAdding spacing in a CCA-250 imaging train that uses the TKA86580L super reducer, ahead of the camera rotator.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBuilt for the CCA-250 with the TKA86580L super reducer, and connects to the camera rotator via the TKP86003 adapter. The 32.5 mm figure is worth adding to your full back-focus total alongside the reducer and camera — 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\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIt is a fixed-length spacer, not adjustable:\u003c\/strong\u003e if 32.5 mm does not land your train at the CCA-250's reducer back-focus target, a different-length ring is the fix rather than trimming this one. Send us your full CCA-250 imaging chain and we will work out the right combination with you.\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 in between the reducer and rotator adapter with no adjustment involved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAdding a fixed 32.5 mm of spacing in a CCA-250 imaging train built around the TKA86580L super reducer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with the CCA-250's visual accessories too?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is a mechanical spacer with no optical elements, so it carries through equally in an imaging or visual chain, provided the M98 thread on both sides lines up.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eA 32.5 mm M98 spacer ring for the CCA-250, built to work with the TKA86580L super reducer and camera rotator.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047915311215,"sku":"TAK-TKP86002","price":128.7,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/takahashi-m98-extension-tube-32-5mm-tkp86002-astronomy-plus-1.jpg?v=1786936543","url":"https:\/\/ontariotelescope.com\/products\/takahashi-cca-250-98mm-spacer-ring-32-5mm","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}