{"product_id":"player-one-m48m-m48m-2mm-adapter","title":"Player One M48M-M48M 2mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M48M-M48M 2mm Adapter is a machined threaded coupler with M48×0.75 male threads on both ends, adding a fixed 2 mm to the optical path. It is a purely mechanical part with no glass and no electronics, made from aluminum 6061-T6.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is a good match if you need to join two M48-female components back to back, or add a short, fixed 2 mm spacer to fine-tune backfocus within an M48 imaging train.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 male on both sides:\u003c\/strong\u003e M48×0.75 male threads at each end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 mm optical length:\u003c\/strong\u003e adds a fixed 2 mm between the connected components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum 6061-T6 body:\u003c\/strong\u003e light, corrosion-resistant, and dimensionally stable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully mechanical:\u003c\/strong\u003e no optical elements and no electrical connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUse it to couple two M48-threaded accessories together or to add 2 mm of spacing where an M48 imaging train needs to reach a target backfocus.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter fits standard M48×0.75 threads. Because it is a fixed-length coupler, include its 2 mm in your total backfocus calculation. If you are not sure how it fits your imaging train, send us your camera, filter, and spacer setup and we will work out the numbers with you.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it carries no optical elements and passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMale on both sides:\u003c\/strong\u003e both ends are male threads, so the mating components need matching female threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 2 mm length:\u003c\/strong\u003e the spacing it adds is set and not adjustable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo — it threads directly onto standard M48 fittings by hand and needs no tools or adjustment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eJoining two M48 male-to-female junctions and adding a fixed 2 mm to the optical path.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it contain any optics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is a bare mechanical coupler with no lenses or coatings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it change my backfocus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes — it adds 2 mm, which you should include in your spacing total.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a compact aluminum M48 male-to-male coupler that adds a fixed 2 mm to the optical path, for cleanly joining M48 sections of an imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834282401903,"sku":"M48M-M48M-2","price":25.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48M-M48M-2mm-adapter.jpg?v=1784239659","url":"https:\/\/ontariotelescope.com\/products\/player-one-m48m-m48m-2mm-adapter","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}