{"product_id":"takahashi-mcr300-short-aux-ring","title":"Takahashi MCR300 Short Aux Ring","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe MCR300 Short Aux Ring is a short auxiliary spacer ring in Takahashi's Mewlon-CR reducer accessory family, the same group of parts that includes the Reducer-CR (CCA-250 \/ Mewlon CRS \/ FSQ-106EX4) and the 645 Reducer-CA. It's a mechanical spacer, not an optical element.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis ring suits owners already working within the Mewlon-CR \/ CCA reducer accessory system who need a short spacer to complete their specific imaging train configuration.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort auxiliary spacer:\u003c\/strong\u003e adds a fixed, short length within the Mewlon-CR reducer system's mechanical chain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple mechanical ring:\u003c\/strong\u003e no optical elements — it exists purely to set spacing between adjacent parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eFine-tuning spacing within a Mewlon-CR \/ CCA-250 reducer imaging train where a short auxiliary ring is called for.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt sits within the same accessory family as the Reducer-CR (CCA-250 \/ Mewlon CRS \/ FSQ-106EX4) and the 645 Reducer-CA 0.72x. If you're assembling a Mewlon-CR imaging train and aren't sure whether this ring is the right spacer for your setup, send us your telescope and camera configuration and we'll confirm the fit with you before you order. See the \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e for spacing figures across the Takahashi 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 spacer that threads into place within a Mewlon-CR reducer imaging train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCompleting spacing within a Mewlon-CR \/ CCA-250 reducer imaging train.\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 Mewlon-CR reducer your train is built around, plus your camera's own adapter — 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 short mechanical auxiliary ring within Takahashi's Mewlon-CR reducer accessory family, used to complete spacing in a CCA-250 \/ Mewlon-CR imaging train.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047119016047,"sku":"TAK-TKP83001","price":65.78,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/ontariotelescope.com\/products\/takahashi-mcr300-short-aux-ring","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}