{"product_id":"player-one-m54m-m54f-17-5mm-extender-m54m-m54f-17-5","title":"Player One M54M-M54F 17.5mm Extender (M54M-M54F-17.5)","description":"\u003ch1\u003ePlayer One M54M-M54F 17.5mm Extender\u003c\/h1\u003e\n\u003cp\u003eThe Player One M54M-M54F 17.5mm Extender is a precision-machined spacer designed to add 17.5mm of optical backfocus to astrophotography imaging trains using standard M54 threads. Built from durable aluminum 6061-T6, this extender provides a rigid and secure connection between cameras, filter wheels, off-axis guiders, and other threaded accessories while maintaining accurate spacing for optimal optical performance. Ideal for custom imaging configurations requiring precise backfocus adjustment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 215.532px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 34.6093%; height: 19.5938px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"width: 62.5336%; height: 19.5938px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eThreaded extender \/ spacer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eThread Type\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eM54 × 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eConnection Configuration\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eM54 male ↔ M54 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eExtension Length\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003e17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eAluminum 6061-T6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eM54-threaded astronomy accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eBackfocus spacing and imaging train extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eCNC-machined metal design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\u003eBlack anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.6093%; height: 19.5938px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 62.5336%; height: 19.5938px;\"\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 M54M-M54F 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":49244541845733,"sku":"POA-M54M-M54F-17.5","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/M54F-M54M-17.5mm-extender-2.jpg?v=1779559878","url":"https:\/\/astronomyplus.com\/products\/player-one-m54m-m54f-17-5mm-extender-m54m-m54f-17-5","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}