{"product_id":"player-one-m48f-m42m-17-5mm-extender-m48f-m42m-17-5","title":"Player One M48F-M42M 17.5mm Extender (M48F-M42M-17.5)","description":"\u003ch1\u003ePlayer One M48F-M42M 17.5mm Extender\u003c\/h1\u003e\n\u003cp\u003eThe Player One M48F-M42M 17.5mm Extender is a precision-machined adapter designed to connect M48-threaded accessories to M42 imaging systems while adding 17.5mm of optical spacing. Built from durable Aluminum 6061-T6, it provides a rigid and secure connection for astrophotography imaging trains, making it ideal for use with cameras, filter wheels, reducers, flatteners, and off-axis guiders requiring accurate backfocus spacing. Its black anodized finish helps minimize internal reflections for improved imaging performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThreaded extender \/ adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Type\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female → M42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Length\u003c\/td\u003e\n\u003ctd\u003e17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum 6061-T6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eM48 and M42 astronomy accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBackfocus spacing and imaging train adaptation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eCNC-machined metal design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Use\u003c\/td\u003e\n\u003ctd\u003eCameras, filter wheels, reducers, flatteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePlayer One Astronomy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003ePlayer One M48F-M42M 17.5mm Extender \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/astronomyplus.com\/pages\/player-one-warranty\" target=\"_blank\" rel=\"noopener\"\u003ePlayer One 2-Years Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":49249539424485,"sku":"POA-M48F-M42M-17.5","price":34.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/M48F-M42M-17.5mm-Extender-logo.png?v=1779566936","url":"https:\/\/astronomyplus.com\/products\/player-one-m48f-m42m-17-5mm-extender-m48f-m42m-17-5","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}