{"product_id":"takahashi-rd-aux-ring-extender-for-mewlon-300","title":"Takahashi RD Aux Ring Extender for Mewlon-300","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe RD Aux Ring Extender is a 38 mm M72 extension sleeve built for the Mewlon-300CR and Mewlon-300CRS. It sits in the imaging train alongside reducer and extender accessories, and threads to any other Takahashi telescope carrying the same M72 interface.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is what you need if you own a Mewlon-300CR or Mewlon-300CRS and your reducer or extender train needs an additional 38 mm of M72-threaded spacing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM72 thread:\u003c\/strong\u003e Takahashi's standard interface for the Mewlon-300 imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e38 mm length:\u003c\/strong\u003e the extension it adds to your reducer or extender stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-compatible:\u003c\/strong\u003e fits any Takahashi telescope using the same M72 thread, not only the Mewlon-300.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eBuilding out a reducer or extender train on the Mewlon-300CR or 300CRS\u003c\/strong\u003e where an extra 38 mm of M72 spacing is needed.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIf you're planning a full imaging train and want the spacing confirmed before you order, send us your reducer or extender and we'll work it out with you. See the \u003ca href=\"\/pages\/takahashi-back-focus-guide\"\u003eTakahashi Back Focus Guide\u003c\/a\u003e for published telescope back focus figures.\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 directly into the M72 imaging train with no adjustment required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit telescopes other than the Mewlon-300?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, any Takahashi telescope using the same M72 thread standard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need this for a standard Mewlon-300 setup?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOnly if your reducer or extender combination needs the extra 38 mm of spacing. Send us your imaging train and we will confirm whether it applies.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 38 mm, M72-threaded extension ring for the Mewlon-300CR and 300CRS reducer\/extender train.\u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":54047109316719,"sku":"TAK-TKA83205","price":144.43,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/takahashi-extension-tube-m72-for-mewlon-crs-tka83205-astronomy-plus-1.jpg?v=1786913899","url":"https:\/\/ontariotelescope.com\/products\/takahashi-rd-aux-ring-extender-for-mewlon-300","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}