{"title":"Player One Astronomy – Adapters \u0026 Spacers","description":"\u003cp\u003ePlayer One Astronomy adapters and spacers — thread adapters, extenders, tilter plates, camera caps, dust covers, and desiccant tubes.\u003c\/p\u003e","products":[{"product_id":"cs-m42-adapter","title":"CS-M42 adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One Astronomy CS-M42 Adapter is a compact metal adapter that connects a CS-mount lens to an M42-threaded planetary camera. It carries CS female threads on one side and M42×0.75 male threads on the other, in a 6.5 mm-long body, so a CS lens can thread directly onto the camera's M42 front. Player One designed it for their planetary cameras, where you want to put a CS lens in front of the sensor.\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 own a planetary camera with an M42 front thread and want to mount a CS-mount lens to it — for example a wide-field, all-sky, or CCTV-style CS lens for meteor, sky-monitoring, or wide-field capture. It is a mechanical thread adapter, so it fits any imaging train where a CS-to-M42 transition is what you need.\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\u003eCS female to M42×0.75 male:\u003c\/strong\u003e the CS side accepts a CS-mount lens; the M42×0.75 male side threads onto a standard M42 camera front.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.5 mm length:\u003c\/strong\u003e the adapter adds 6.5 mm of mechanical length between the lens and the camera body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-metal construction:\u003c\/strong\u003e machined metal for repeatable threading and durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting a CS-mount lens on an M42-threaded Player One planetary camera.\u003c\/li\u003e\n\u003cli\u003eBuilding an all-sky or wide-field camera around a CS lens.\u003c\/li\u003e\n\u003cli\u003eAny imaging setup that needs a CS-to-M42 thread transition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOne side is CS female, which fits CS-mount lenses; the other is M42×0.75 male, the standard thread on the front of Player One planetary cameras. The 6.5 mm length is a fixed mechanical value — it does not set a focus or backfocus distance, since a CS lens reaches focus through its own focusing helicoid. A C-mount lens has a longer flange and needs an additional C-to-CS ring before it will thread on here. If you are unsure whether your lens and camera pair through this adapter, send us your lens mount and camera model and we will confirm the fit.\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 makes a thread connection and nothing else — no glass, no electronics, and no effect on the optical path beyond the 6.5 mm it adds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS mount, not C mount directly:\u003c\/strong\u003e the lens side is CS. A C-mount lens threads on only with an added C-to-CS spacer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayer One does not publish a weight:\u003c\/strong\u003e the adapter is a small machined part; if the exact figure matters for your kit, send us a note and we will weigh one from stock.\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 on by hand. The CS side accepts your lens and the M42×0.75 side screws onto the camera front, with no tools or adjustment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does it connect?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA CS-mount lens to an M42-threaded camera, such as a Player One planetary camera.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a C-mount lens with it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnly with an added C-to-CS adapter ring. On its own the lens side is CS; a C-mount lens has a longer flange and needs that extra ring to reach focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it contain any glass or electronics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is a purely mechanical thread adapter — no optics and no electrical contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it set my backfocus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It adds a fixed 6.5 mm of length; a CS lens reaches focus through its own helicoid rather than a set spacing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a 6.5 mm all-metal CS-female to M42×0.75-male adapter that lets a CS-mount lens thread onto an M42 planetary camera — a simple mechanical connection with no glass or electronics.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":44014087045231,"sku":"CSM42","price":16.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/CS-M42-1-600x337__69074.jpg?v=1766570479"},{"product_id":"player-one-1-25-extender-20mm-m28-5","title":"Player One 1.25\" Extender (20mm, M28.5)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One 1.25\" Extender is a machined metal spacer that adds a fixed 20 mm of optical-train length between 1.25-inch threaded components. It carries M28.5 × 0.6 female threads on one end and M28.5 × 0.6 male threads on the other, so it threads in line without changing the thread standard. It was designed for use with guide cameras and other M28.5 (1.25-inch) threaded accessories, where a small amount of extra spacing is needed to reach focus or clear a filter.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are building a 1.25-inch guiding or imaging train and need to add length between two M28.5-threaded parts — for example, spacing a guide camera back from a filter or nosepiece so the assembly reaches focus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 20 mm spacing:\u003c\/strong\u003e adds 20 mm of length (plus 2.5 mm of engaged thread) in a single component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM28.5 × 0.6 threads:\u003c\/strong\u003e female one end, male the other — the standard 1.25-inch filter\/accessory thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined metal body for a rigid, repeatable join.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide-camera spacing:\u003c\/strong\u003e extend a guide camera back from a filter, nosepiece, or off-axis guider port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25-inch train building:\u003c\/strong\u003e add a known 20 mm step when a threaded 1.25-inch assembly needs to reach focus.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBoth ends use the M28.5 × 0.6 thread standard common to 1.25-inch filters and accessories — female on one side, male on the other. It passes the 1.25-inch thread straight through and does not adapt to any other standard. If you are not sure how much spacing your train needs, send us your camera and accessory setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and carries the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 20 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread standard:\u003c\/strong\u003e both ends are M28.5 × 0.6; it does not convert 1.25-inch to any other thread.\u003c\/li\u003e\n\u003c\/ul\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 in line between two M28.5 components and needs no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e20 mm, plus 2.5 mm of engaged thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Both ends are M28.5 × 0.6, so it keeps the 1.25-inch thread standard on both sides.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it have any optics?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a mechanical spacer with no optical elements and no electronic connection.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined metal 20 mm spacer with M28.5 × 0.6 threads on both ends, made to add a known step of length inside a 1.25-inch guiding or imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834272604271,"sku":"125EXT","price":16.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1.25-EXTENDER-1024x1024.jpg?v=1784239493"},{"product_id":"player-one-1-25-to-2-rotolock-adapter","title":"Player One 1.25″-to-2″ Rotolock Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One 1.25″-to-2″ Rotolock Adapter connects 1.25″ and 2″ fittings using a rotolock quick-lock collar. Instead of a compression ring and thumbscrew, a twist of the collar centers and clamps the accessory — clockwise to lock, counterclockwise to release. It is designed with planetary imaging in mind, where a centered, repeatable hold keeps the target sitting on the sensor through a swap. The body is metal.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you move a 1.25″ camera or eyepiece in and out of a 2″ focuser or accessory often and want the same centered, secure hold each time — without hunting for a setscrew in the dark.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotolock collar:\u003c\/strong\u003e a clockwise twist centers and clamps the accessory; counterclockwise releases it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentered hold:\u003c\/strong\u003e the collar seats the accessory concentrically rather than pushing it to one side the way a single compression screw can.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ and 2″ connections:\u003c\/strong\u003e bridges the two most common visual and imaging barrel sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined for a firm, repeatable clamp.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlanetary and lunar imaging, where a centered and repeatable hold keeps the planet on the chip through a filter or camera swap, and general use adapting a 1.25″ accessory to a 2″ fitting.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe adapter bridges 1.25″ and 2″ fittings and holds the accessory with its rotolock collar rather than a compression ring. It is a mechanical adapter only — there is no electronic communication through it.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it passes no power or data; it is purely a mechanical connection between 1.25″ and 2″.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist-lock hold:\u003c\/strong\u003e the accessory is held by the rotolock collar, so there is no separate compression ring or thumbscrew to set.\u003c\/li\u003e\n\u003c\/ul\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 — insert the 1.25″ accessory and twist the collar clockwise to lock it; twist back to release. There is nothing to align by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlanetary and lunar imaging, and any time you adapt a 1.25″ accessory into a 2″ fitting and want a centered, repeatable hold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it hold securely?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes — the rotolock collar centers and clamps the accessory, which is why it is favored for planetary work.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a metal 1.25″-to-2″ adapter that swaps the usual compression screw for a rotolock collar, giving a centered, repeatable clamp that suits planetary imaging.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834272669807,"sku":"RL125-2","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ROTOLOCK-1.25-2.jpg?v=1784239521"},{"product_id":"player-one-1-25-dust-cover","title":"Player One 1.25\" Dust Cover","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One 1.25\" Dust Cover is a silicone cap that fits over the barrel of a 1.25-inch eyepiece or a 1.25-inch astronomical camera to keep dust off the optics and sensor window when the item is not in use. It is a simple protective accessory made from flexible silicone.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you own 1.25-inch eyepieces or a 1.25-inch camera and want a soft cover to protect the barrel and glass in storage or in the field between sessions.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone construction:\u003c\/strong\u003e flexible, grippy material that slips on and off without scratching the barrel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25-inch fit:\u003c\/strong\u003e sized for the 1.25-inch barrel of eyepieces and cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust protection:\u003c\/strong\u003e keeps dust and debris off the optics and sensor window during storage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyepiece protection:\u003c\/strong\u003e cover a 1.25-inch eyepiece barrel between observing sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera protection:\u003c\/strong\u003e cap a 1.25-inch camera nosepiece when it is off the telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt fits the 1.25-inch barrel common to eyepieces and 1.25-inch astronomy cameras. It is a friction fit over the barrel, not a threaded part.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective accessory only:\u003c\/strong\u003e it covers the barrel for storage and has no optical or mechanical role in the imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25-inch fit:\u003c\/strong\u003e it is sized for 1.25-inch barrels and is not intended for 2-inch or M-thread components.\u003c\/li\u003e\n\u003c\/ul\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 slips over the 1.25-inch barrel by hand and comes off the same way.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e1.25-inch eyepieces and 1.25-inch astronomy cameras.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it made of?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSilicone.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a flexible silicone dust cover sized for 1.25-inch eyepieces and cameras, made to keep dust off the barrel and glass in storage.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834274144367,"sku":"MASK125","price":2.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/125Cover-e.jpg?v=1784239565"},{"product_id":"player-one-m48m-m42m-2mm-adapter","title":"Player One M48M-M42M 2mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M48M-M42M 2mm Adapter is a machined threaded coupler that joins an M48×0.75 male fitting to an M42×0.75 (T2) male fitting while adding 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 are building an imaging train that needs to bridge an M48 connection to an M42\/T2 connection, or if you need a short, fixed 2 mm spacer to fine-tune backfocus between M48 and T2 components.\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 to M42 thread conversion:\u003c\/strong\u003e M48×0.75 male on one side, M42×0.75 (T2) male on the other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 mm optical length:\u003c\/strong\u003e adds a fixed 2 mm to the spacing between the two 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 wherever an imaging train needs an M48-male to M42-male junction — for example connecting M48-threaded accessories to T2-threaded cameras, filter drawers, or spacers — and where 2 mm of added length helps 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 and M42×0.75 (T2) 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 and M42\/T2 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 an M48 male fitting to an M42\/T2 male fitting 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 M42-male coupler that adds a fixed 2 mm to the optical path, for cleanly bridging M48 and T2 sections of an imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834274177135,"sku":"M48M-M42M-2","price":25.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48M-M42M-2mm-adapter.jpg?v=1784239573"},{"product_id":"player-one-1-25-to-m42-rotolock-adapter","title":"Player One 1.25″-to-M42 Rotolock Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One 1.25″-to-M42 Rotolock Adapter joins a 1.25″ fitting to an M42 × 0.75 (T2) thread using a rotolock quick-lock collar. A clockwise twist of the collar centers and clamps the 1.25″ side — clockwise to lock, counterclockwise to release — while the M42 × 0.75 thread takes a planetary camera or other T-thread accessory. It is designed for planetary imaging, where a centered, repeatable hold keeps the target on the sensor. The body is metal.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you run a planetary camera with an M42 (T2) thread and want to drop it into a 1.25″ focuser or nosepiece with a centered, secure hold each time, rather than relying on a single compression screw.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotolock collar:\u003c\/strong\u003e a clockwise twist centers and clamps the 1.25″ side; counterclockwise releases it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 × 0.75 (T2) thread:\u003c\/strong\u003e takes a planetary camera or other standard T-thread accessory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentered hold:\u003c\/strong\u003e the collar seats the accessory concentrically instead of pushing it off-axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined for a firm, repeatable clamp.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlanetary and lunar imaging with an M42\/T2 camera dropped into a 1.25″ focuser, and general use joining a T-thread accessory to a 1.25″ fitting with a centered hold.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe adapter bridges a 1.25″ fitting and an M42 × 0.75 (T2) thread, holding the 1.25″ side with its rotolock collar. M42 × 0.75 is the common T-thread used by planetary cameras. It is a mechanical adapter only — no power or data passes through it.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it is purely a mechanical connection between 1.25″ and M42 × 0.75; it passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 × 0.75 (T2), not M42 x 1:\u003c\/strong\u003e the thread is the 0.75 mm-pitch T-thread used on cameras, not the 1 mm-pitch M42 lens mount.\u003c\/li\u003e\n\u003c\/ul\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 — thread your M42\/T2 camera onto the M42 side, then twist the rotolock collar clockwise to lock the 1.25″ side into your focuser. Twist back to release.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlanetary and lunar imaging with an M42\/T2 camera, and joining a T-thread accessory to a 1.25″ fitting with a centered, repeatable hold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat thread is the M42 side?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eM42 × 0.75 — the standard T2 camera thread.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a metal adapter that pairs a rotolock 1.25″ collar with an M42 × 0.75 (T2) thread, giving planetary cameras a centered, repeatable hold in a 1.25″ focuser.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834274209903,"sku":"RL125-M42","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ROTOLOCK-1.25-M42-01-1024x1024.jpg?v=1784239575"},{"product_id":"player-one-cs-to-1-25-adapter-cs125","title":"Player One CS to 1.25\" Adapter (CS125)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One CS-1.25 Adapter is a machined metal adapter that connects CS-mount hardware to the 1.25-inch thread standard. It carries CS female threads on one side and M28.5 × 0.6 male threads on the other, so a CS-mount lens or component can thread onto a 1.25-inch camera or accessory. Player One lists its length as 5 mm plus 2.5 mm of thread (7.5 mm total).\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you use a CS-mount lens and want to mount it to a 1.25-inch threaded camera or imaging train — for example, pairing a CS lens with a guide or all-sky camera.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS female to M28.5 male:\u003c\/strong\u003e converts a CS-mount interface to the M28.5 × 0.6 (1.25-inch) thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact length:\u003c\/strong\u003e 5 mm body plus 2.5 mm of engaged thread (7.5 mm total).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined metal body for a rigid, repeatable join.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS-mount lenses:\u003c\/strong\u003e attach a CS lens to a 1.25-inch threaded camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-sky and guide cameras:\u003c\/strong\u003e adapt CS-mount optics onto 1.25-inch camera bodies and trains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eOne end is CS female; the other is M28.5 × 0.6 male, the standard 1.25-inch filter\/accessory thread. It converts between those two standards only. If you are not sure whether your lens is CS or C mount, or how it will reach focus, send us your setup and we will confirm the fit.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it changes the thread interface — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS to 1.25-inch only:\u003c\/strong\u003e it does not adapt other thread standards.\u003c\/li\u003e\n\u003c\/ul\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 between a CS-mount part and a 1.25-inch (M28.5) part with no tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat threads does it have?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCS female on one side and M28.5 × 0.6 male on the other.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it have any optics?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a mechanical thread adapter only.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a compact metal adapter that takes a CS-mount interface to the M28.5 × 0.6 (1.25-inch) thread, for putting CS lenses on 1.25-inch cameras and trains.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834274340975,"sku":"CS125","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/CS-ADAPTER.jpg?v=1784239593"},{"product_id":"player-one-m42f-m42m-20mm-extender","title":"Player One M42F-M42M 20mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M42F-M42M 20mm Extender is a machined aluminium spacer that adds 20 mm of length between M42 × 0.75 (T-thread) components. It carries M42 × 0.75 female threads on one end and M42 × 0.75 male threads on the other, so it threads in line without changing the thread standard. It is used to build up spacing in an M42 imaging train — typically to reach a required backfocus distance.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are assembling an M42-threaded imaging train and need a known 20 mm step to reach the backfocus your camera, filter drawer, or corrector calls for.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 20 mm spacing:\u003c\/strong\u003e adds a precise 20 mm of length in a single component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 × 0.75 threads:\u003c\/strong\u003e female one end, male the other — the common T-thread \/ M42 standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing:\u003c\/strong\u003e add 20 mm toward a corrector, flattener, or camera backfocus figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 train building:\u003c\/strong\u003e insert a known step between M42-threaded parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBoth ends use the M42 × 0.75 thread standard — female on one side, male on the other. It passes the M42 thread straight through and does not convert to another standard. Backfocus is a sum of every part in the train; if you are working out how much spacing you need, send us your camera, filter, and corrector setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and carries the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 20 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread standard:\u003c\/strong\u003e both ends are M42 × 0.75; it does not convert M42 to any other thread.\u003c\/li\u003e\n\u003c\/ul\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 in line between two M42 components and needs no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e20 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Both ends are M42 × 0.75, so it keeps the M42 (T-thread) standard on both sides.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it have any optics?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a mechanical spacer with no optical elements and no electronic connection.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium 20 mm spacer with M42 × 0.75 threads on both ends, made to set a known step of backfocus in an M42 imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834275815535,"sku":"M42F-M42M-20","price":33.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M42F-M42M-20mm-Extender2-1024x575.png?v=1784239621"},{"product_id":"player-one-m42f-m48m-adapter-0mm","title":"Player One M42F-M48M Adapter (0mm)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M42F-M48M Adapter is a machined aluminium adapter that converts an M42 × 0.75 female interface to an M48 × 0.75 male thread. Player One lists it as a 0 mm adapter — it steps between the two thread standards without adding optical length — with a 6.5 mm physical body. It carries M42 × 0.75 female threads on one end and M48 × 0.75 male threads on the other.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you need to take an M42 (T-thread) part up to the larger M48 thread standard in an imaging train without adding spacing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 female to M48 male:\u003c\/strong\u003e converts M42 × 0.75 to M48 × 0.75.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0 mm optical length:\u003c\/strong\u003e steps thread standards without adding optical spacing; 6.5 mm physical body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread conversion:\u003c\/strong\u003e move from an M42 interface up to M48 in a camera or filter train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal-spacing joins:\u003c\/strong\u003e where M42-to-M48 is needed without adding backfocus.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eOne end is M42 × 0.75 female; the other is M48 × 0.75 male. It converts between those two standards only. Because it is listed as a 0 mm adapter, it is chosen where the larger thread is needed without spending backfocus. If you are working out your total spacing, send us your setup and we will confirm the fit.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it changes the thread interface — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 to M48 only:\u003c\/strong\u003e it does not adapt other thread standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero added optical length:\u003c\/strong\u003e the physical body is 6.5 mm, but Player One rates it as a 0 mm adapter for optical spacing.\u003c\/li\u003e\n\u003c\/ul\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 between an M42 female part and an M48 male interface with no tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat threads does it have?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eM42 × 0.75 female on one side and M48 × 0.75 male on the other.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it add backfocus?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlayer One rates it as a 0 mm adapter for optical length; the physical body measures 6.5 mm.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium M42-to-M48 adapter that changes thread standard without adding optical length, for stepping an M42 train up to M48.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834280861807,"sku":"M42F-M48M-0","price":16.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M42F-M48M-0mm-Adapter-1024x871.png?v=1784239654"},{"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"},{"product_id":"player-one-m54m-metal-camera-cap","title":"Player One M54M Metal Camera Cap","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M Metal Camera Cap is a machined aluminum 6061-T6 dust cap with an M54×0.75 male thread. It threads into an M54 female port to keep dust and debris off the opening when a camera or accessory is not connected.\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 own a Player One camera or accessory with an M54 female port and want a solid metal cap to protect the threads and interior during storage or transport.\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\u003eM54 male thread:\u003c\/strong\u003e M54×0.75 male, threading into a standard M54 female port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum 6061-T6 body:\u003c\/strong\u003e a durable metal cap rather than plastic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective function:\u003c\/strong\u003e keeps dust and debris out of the port when nothing is attached.\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 cap the M54 port on a camera or accessory during storage, transport, or any time the imaging train is broken down.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe cap fits standard M54×0.75 female ports. If you are unsure whether your camera or accessory uses an M54 female thread, send us the model and we will confirm the fit.\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\u003eProtective cap only:\u003c\/strong\u003e it is a dust cover, not an optical or functional adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM54 male thread:\u003c\/strong\u003e it fits an M54 female port; it will not cap a male fitting.\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 on and off an M54 port by hand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProtecting an M54 female port from dust when a camera or accessory is not attached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it metal or plastic?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMetal — machined aluminum 6061-T6.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a machined aluminum M54 male dust cap that keeps an M54 camera or accessory port clean between sessions.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834284073071,"sku":"M54M-Cap","price":22.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54M-Metal-Cover2.png?v=1784239666"},{"product_id":"player-one-m42-male-metal-camera-cap","title":"Player One M42 Male Metal Camera Cap","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M42 Male Metal Camera Cap is a machined aluminium cap with M42 × 0.75 male threads. It threads into the M42 female port on a camera, filter drawer, or adapter to keep dust off the threads and the sensor window when the item is not in use. It is a simple threaded protective cover.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you have a camera or accessory with an exposed M42 female thread and want a solid metal cap to protect the port and keep dust out in storage or transport.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 × 0.75 male thread:\u003c\/strong\u003e threads into any matching M42 female port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined metal cap, more durable than a plastic push cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust and thread protection:\u003c\/strong\u003e keeps debris off the threads and the sensor window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera port protection:\u003c\/strong\u003e cap an M42 female camera or adapter port during storage and transport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter-drawer and train covers:\u003c\/strong\u003e seal an open M42 thread when the train is broken down.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt threads into an M42 × 0.75 female port. It is a protective cap only and has no role in the optical path.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective cap only:\u003c\/strong\u003e it covers an M42 female thread for storage and has no optical or electronic function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 male thread:\u003c\/strong\u003e it fits M42 × 0.75 female ports and no other standard.\u003c\/li\u003e\n\u003c\/ul\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 into the M42 female port by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny M42 × 0.75 female port on a camera, filter drawer, or adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it made of?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAluminium 6061-T6.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium cap with an M42 × 0.75 male thread, made to protect an M42 female camera or accessory port in storage and transport.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834288005231,"sku":"M42M-Cap","price":19.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M42M-Metal-Cover.jpg?v=1784239681"},{"product_id":"player-one-m54m-m42m-2mm-adapter","title":"Player One M54M-M42M 2mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M42M 2mm Adapter is a machined threaded coupler that joins an M54×0.75 male fitting to an M42×0.75 (T2) male fitting while adding 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 are connecting an M54 component to an M42\/T2 component — for example the Player One Filter Drawer MAX to an Ares or Uranus cooled camera or a planetary camera.\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\u003eM54 to M42 thread conversion:\u003c\/strong\u003e M54×0.75 male on one side, M42×0.75 (T2) male on the other.\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\u003ePlayer One lists it for connecting the Filter Drawer MAX to Ares and Uranus cooled cameras and to planetary camera models, and it works anywhere an M54-male to M42-male junction with 2 mm of added length is needed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter fits standard M54×0.75 and M42×0.75 (T2) 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 M54 and M42\/T2 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\u003eConnecting an M54 component such as the Filter Drawer MAX to an M42\/T2 camera, 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 M54-male to M42-male coupler that adds a fixed 2 mm to the optical path, listed by Player One for joining the Filter Drawer MAX to cooled and planetary cameras.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834290298991,"sku":"M54M-M42M-2","price":26.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54M-M42M-2mm-adapter.jpg?v=1784239694"},{"product_id":"player-one-m54m-m48m-2mm-adapter","title":"Player One M54M-M48M 2mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M48M 2mm Adapter is a machined threaded coupler that joins an M54×0.75 male fitting to an M48×0.75 male fitting while adding 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 are stepping an M54 connection down to an M48 connection in an imaging train, or need a short, fixed 2 mm spacer between M54 and M48 components.\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\u003eM54 to M48 thread conversion:\u003c\/strong\u003e M54×0.75 male on one side, M48×0.75 male on the other.\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 bridge an M54-threaded section of an imaging train to an M48-threaded section, and where 2 mm of added length helps 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 M54×0.75 and 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 M54 and 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 an M54 male fitting to an M48 male fitting 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 M54-male to M48-male coupler that adds a fixed 2 mm to the optical path, for cleanly bridging M54 and M48 sections of an imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834291282031,"sku":"M54M-M48M-2","price":26.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54M-M48M-2mm-adapter.jpg?v=1784239714"},{"product_id":"player-one-m48-compatible-camera-tilter-plate","title":"Player One M48-Compatible Camera Tilter Plate","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48-Compatible Camera Tilter Plate is a machined aluminium tilt-adjustment plate that lets a Player One camera be squared to the sensor when used behind other brands' filter wheels. It carries M48 × 0.75 female threads and adds 5 mm of length. Player One lists it as compatible with select QHY and ZWO filter wheels and with its own Artemis and Poseidon series cameras.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you run a Player One Artemis or Poseidon camera behind a QHY or ZWO filter wheel and want a tilt plate to correct sensor tilt for even star shapes across the frame.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTilt adjustment:\u003c\/strong\u003e squares the camera sensor to the optical axis to correct tilt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 × 0.75 female threads:\u003c\/strong\u003e M48 interface into the imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 mm added length:\u003c\/strong\u003e contributes 5 mm to the train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor tilt correction:\u003c\/strong\u003e even out star shapes across the field when tilt is present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-party filter-wheel pairing:\u003c\/strong\u003e mate a Player One camera to a supported QHY or ZWO wheel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003ePlayer One publishes compatibility with the QHYCFW3 series (except the QHYCFW3-XL), the ZWO NEW EFW 7x36, EFW 5X2, and EFW 7X2 filter wheels, and with Player One Artemis and Poseidon series cameras. It uses an M48 × 0.75 female thread and adds 5 mm of length. If you are not sure it matches your exact camera and wheel combination, send us your setup and we will confirm the fit.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific compatibility:\u003c\/strong\u003e it is listed for the QHYCFW3 series (except QHYCFW3-XL) and ZWO NEW EFW 7x36 \/ EFW 5X2 \/ EFW 7X2, with Player One Artemis and Poseidon cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical part:\u003c\/strong\u003e it provides tilt adjustment and spacing — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds 5 mm:\u003c\/strong\u003e account for the 5 mm of length when planning backfocus.\u003c\/li\u003e\n\u003c\/ul\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\u003eIt threads into the M48 train like any spacer; the tilt screws are then adjusted to square the sensor. Setting tilt takes some care, but it is a standard adjustment and only needs doing once for a given train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich filter wheels does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe QHYCFW3 series (except QHYCFW3-XL) and the ZWO NEW EFW 7x36, EFW 5X2, and EFW 7X2.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich cameras does it work with?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlayer One Artemis and Poseidon series cameras.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium M48 tilt plate that adds 5 mm and squares a Player One Artemis or Poseidon camera behind supported QHY and ZWO filter wheels.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834291314799,"sku":"TP90-M48","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/QZ-compitible-tilter-plate-1.jpg?v=1784239713"},{"product_id":"player-one-m54m-m54f-17-5mm-extender","title":"Player One M54M-M54F 17.5mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M54F 17.5mm Extender is a machined spacer with an M54×0.75 male thread on one end and an M54×0.75 female thread on the other, adding 17.5 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 are building an M54 imaging train and need 17.5 mm of extra length to reach a target backfocus while keeping the M54 thread on both sides.\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\u003eM54 male to M54 female:\u003c\/strong\u003e M54×0.75 male on one end, M54×0.75 female on the other, so it stacks in line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5 mm spacing:\u003c\/strong\u003e adds a fixed 17.5 mm to the optical path.\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 add 17.5 mm of spacing within an M54 imaging train — for example between a camera, filter wheel, or off-axis guider and the rest of the train — to hit a required backfocus.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe extender fits standard M54×0.75 threads. Because it is a fixed-length spacer, include its 17.5 mm in your total backfocus calculation. If you are not sure how much spacing your imaging train needs, send us your camera, filter, and corrector 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 spacer only:\u003c\/strong\u003e it carries no optical elements and passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 17.5 mm length:\u003c\/strong\u003e the spacing it adds is set and not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM54 in, M54 out:\u003c\/strong\u003e it keeps the M54 thread standard on both sides rather than converting it.\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 into an M54 train 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\u003eAdding a fixed 17.5 mm of spacing to reach a target backfocus in an M54 imaging train.\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 spacer with no lenses or coatings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much backfocus does it add?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e17.5 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 machined aluminum M54 male-to-female spacer that adds a fixed 17.5 mm to the optical path, for dialing in backfocus within an M54 imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834292527215,"sku":"M54M-M54F-17.5","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54F-M54M-17.5mm-extender-2.jpg?v=1784239741"},{"product_id":"player-one-m48f-m42m-17-5mm-extender","title":"Player One M48F-M42M 17.5mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48F-M42M 17.5mm Extender is a machined aluminium spacer that adds 17.5 mm of length while converting between thread standards. It carries M48 × 0.75 female threads on one end and M42 × 0.75 male threads on the other, so it both extends the train and steps M48 down to M42. It is used to reach a required backfocus while changing to the M42 (T-thread) interface.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if your train needs both an M48-to-M42 step and about 17.5 mm of added length — for example, taking an M48 output down to an M42 camera or filter drawer at the right backfocus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5 mm spacing:\u003c\/strong\u003e adds a precise 17.5 mm of length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 female to M42 male:\u003c\/strong\u003e steps M48 × 0.75 down to M42 × 0.75 in the same part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing:\u003c\/strong\u003e add 17.5 mm toward a camera, filter, or corrector backfocus figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48-to-M42 step:\u003c\/strong\u003e convert an M48 interface to M42 while adding length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eOne end is M48 × 0.75 female; the other is M42 × 0.75 male. It both extends the train and converts M48 to M42. Backfocus is a sum of every part in the train; if you are working out how much spacing you need, send us your camera, filter, and corrector setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and steps the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 17.5 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread step:\u003c\/strong\u003e M48 × 0.75 female to M42 × 0.75 male.\u003c\/li\u003e\n\u003c\/ul\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 between an M48 female part and an M42 male part with no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e17.5 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It steps M48 × 0.75 female down to M42 × 0.75 male.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium 17.5 mm extender that steps M48 down to M42, for setting backfocus while changing to the M42 interface.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834292592751,"sku":"M48F-M42M-17.5","price":33.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48F-M42M-17.5mm-Extender-logo.png?v=1784239742"},{"product_id":"player-one-m54m-m54f-20mm-extender","title":"Player One M54M-M54F 20mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M54F 20mm Extender is a machined spacer with an M54×0.75 male thread on one end and an M54×0.75 female thread on the other, adding 20 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 are building an M54 imaging train and need 20 mm of extra length to reach a target backfocus while keeping the M54 thread on both sides.\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\u003eM54 male to M54 female:\u003c\/strong\u003e M54×0.75 male on one end, M54×0.75 female on the other, so it stacks in line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 mm spacing:\u003c\/strong\u003e adds a fixed 20 mm to the optical path.\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 add 20 mm of spacing within an M54 imaging train — for example between a camera, filter wheel, or off-axis guider and the rest of the train — to hit a required backfocus.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe extender fits standard M54×0.75 threads. Because it is a fixed-length spacer, include its 20 mm in your total backfocus calculation. If you are not sure how much spacing your imaging train needs, send us your camera, filter, and corrector 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 spacer only:\u003c\/strong\u003e it carries no optical elements and passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 20 mm length:\u003c\/strong\u003e the spacing it adds is set and not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM54 in, M54 out:\u003c\/strong\u003e it keeps the M54 thread standard on both sides rather than converting it.\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 into an M54 train 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\u003eAdding a fixed 20 mm of spacing to reach a target backfocus in an M54 imaging train.\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 spacer with no lenses or coatings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much backfocus does it add?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e20 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 machined aluminum M54 male-to-female spacer that adds a fixed 20 mm to the optical path, for dialing in backfocus within an M54 imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293182575,"sku":"M54M-M54F-20","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54F-M54M-20mm-extender-2.jpg?v=1784239759"},{"product_id":"player-one-m48f-m48m-17-5mm-extender","title":"Player One M48F-M48M 17.5mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48F-M48M 17.5mm Extender is a machined aluminium spacer that adds 17.5 mm of length between M48 × 0.75 components. It carries M48 × 0.75 female threads on one end and M48 × 0.75 male threads on the other, so it threads in line without changing the thread standard. It is used to build up spacing in an M48 imaging train to reach a required backfocus distance.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are assembling an M48-threaded imaging train and need a known 17.5 mm step to reach the backfocus your camera, filter drawer, or corrector calls for.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 17.5 mm spacing:\u003c\/strong\u003e adds a precise 17.5 mm of length in a single component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 × 0.75 threads:\u003c\/strong\u003e female one end, male the other — the common large-format M48 standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing:\u003c\/strong\u003e add 17.5 mm toward a corrector, flattener, or camera backfocus figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 train building:\u003c\/strong\u003e insert a known step between M48-threaded parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBoth ends use the M48 × 0.75 thread standard — female on one side, male on the other. It passes the M48 thread straight through and does not convert to another standard. Backfocus is a sum of every part in the train; if you are working out how much spacing you need, send us your camera, filter, and corrector setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and carries the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 17.5 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread standard:\u003c\/strong\u003e both ends are M48 × 0.75; it does not convert M48 to any other thread.\u003c\/li\u003e\n\u003c\/ul\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 in line between two M48 components and needs no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e17.5 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Both ends are M48 × 0.75, so it keeps the M48 standard on both sides.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium 17.5 mm spacer with M48 × 0.75 threads on both ends, made to set a known step of backfocus in an M48 imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293248111,"sku":"M48F-M48M-17.5","price":33.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48F-M48M-17.5mm-Extender-s.png?v=1784239767"},{"product_id":"player-one-m54m-m54m-2mm-adapter","title":"Player One M54M-M54M 2mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M54M 2mm Adapter is a machined threaded coupler with M54×0.75 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 M54-female components back to back, or add a short, fixed 2 mm spacer to fine-tune backfocus within an M54 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\u003eM54 male on both sides:\u003c\/strong\u003e M54×0.75 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 M54-threaded accessories together or to add 2 mm of spacing where an M54 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 M54×0.75 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 M54 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 M54 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 M54 male-to-male coupler that adds a fixed 2 mm to the optical path, for cleanly joining M54 sections of an imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293313647,"sku":"M54M-M54M-2","price":26.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54M-M54M-2mm-adapter.jpg?v=1784239785"},{"product_id":"player-one-m48f-m48m-20mm-extender","title":"Player One M48F-M48M 20mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48F-M48M 20mm Extender is a machined aluminium spacer that adds 20 mm of length between M48 × 0.75 components. It carries M48 × 0.75 female threads on one end and M48 × 0.75 male threads on the other, so it threads in line without changing the thread standard. It is used to build up spacing in an M48 imaging train to reach a required backfocus distance.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you are assembling an M48-threaded imaging train and need a known 20 mm step to reach the backfocus your camera, filter drawer, or corrector calls for.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 20 mm spacing:\u003c\/strong\u003e adds a precise 20 mm of length in a single component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 × 0.75 threads:\u003c\/strong\u003e female one end, male the other — the common large-format M48 standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing:\u003c\/strong\u003e add 20 mm toward a corrector, flattener, or camera backfocus figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 train building:\u003c\/strong\u003e insert a known step between M48-threaded parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eBoth ends use the M48 × 0.75 thread standard — female on one side, male on the other. It passes the M48 thread straight through and does not convert to another standard. Backfocus is a sum of every part in the train; if you are working out how much spacing you need, send us your camera, filter, and corrector setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and carries the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 20 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread standard:\u003c\/strong\u003e both ends are M48 × 0.75; it does not convert M48 to any other thread.\u003c\/li\u003e\n\u003c\/ul\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 in line between two M48 components and needs no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e20 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Both ends are M48 × 0.75, so it keeps the M48 standard on both sides.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium 20 mm spacer with M48 × 0.75 threads on both ends, made to set a known step of backfocus in an M48 imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293346415,"sku":"M48F-M48M-20","price":33.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48F-M48M-20mm-Extender-s.png?v=1784239791"},{"product_id":"player-one-m54m-m68f-17-5mm-extender","title":"Player One M54M-M68F 17.5mm Extender","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M54M-M68F 17.5mm Extender is a machined spacer with an M54×0.75 male thread on one end and an M68 female thread on the other, adding 17.5 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 are bridging an M54 section of an imaging train to an M68 interface — such as a large flattener or telescope rear thread — and need 17.5 mm of length to reach a target backfocus.\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\u003eM54 male to M68 female:\u003c\/strong\u003e M54×0.75 male on one end, M68 female on the other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5 mm spacing:\u003c\/strong\u003e adds a fixed 17.5 mm to the optical path.\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 step an M54 imaging train up to an M68 interface while adding 17.5 mm of spacing, for example between a camera-side M54 train and an M68 flattener or telescope adapter.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe extender presents an M54×0.75 male thread on one side and an M68 female thread on the other. Because it is a fixed-length spacer, include its 17.5 mm in your total backfocus calculation. If you want to confirm the M68 thread matches your flattener or telescope, send us the model and we will check it 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 spacer only:\u003c\/strong\u003e it carries no optical elements and passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 17.5 mm length:\u003c\/strong\u003e the spacing it adds is set and not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread conversion:\u003c\/strong\u003e it converts M54 male to M68 female, so both mating parts need the matching threads.\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 into an M54 male and an M68 female interface 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\u003eBridging an M54 imaging train to an M68 interface while adding a fixed 17.5 mm of spacing.\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 spacer with no lenses or coatings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much backfocus does it add?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e17.5 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 machined aluminum M54 male to M68 female spacer that adds a fixed 17.5 mm to the optical path, for bridging M54 and M68 sections of an imaging train.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293444719,"sku":"M54M-M68F-17.5","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M68F-M54M-20mm-extender-2.jpg?v=1784239803"},{"product_id":"player-one-m48f-m54m-17-5mm-adapter","title":"Player One M48F-M54M 17.5mm Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48F-M54M 17.5mm Adapter is a machined aluminium spacer that adds 17.5 mm of length while converting between thread standards. It carries M48 × 0.75 female threads on one end and M54 × 0.75 male threads on the other, so it both extends the train and steps M48 up to the larger M54 interface. It is used to reach a required backfocus while moving to an M54 thread.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if your train needs both an M48-to-M54 step and about 17.5 mm of added length — for example, taking an M48 camera side up to an M54 corrector or field-flattener output at the right backfocus.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5 mm spacing:\u003c\/strong\u003e adds a precise 17.5 mm of length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 female to M54 male:\u003c\/strong\u003e steps M48 × 0.75 up to M54 × 0.75 in the same part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined aluminium body, light and rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfocus spacing:\u003c\/strong\u003e add 17.5 mm toward a camera, filter, or corrector backfocus figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48-to-M54 step:\u003c\/strong\u003e convert an M48 interface up to M54 while adding length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eOne end is M48 × 0.75 female; the other is M54 × 0.75 male. It both extends the train and converts M48 to M54. Backfocus is a sum of every part in the train; if you are working out how much spacing you need, send us your camera, filter, and corrector setup and we will work it out with you.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical adapter only:\u003c\/strong\u003e it adds length and steps the thread — there are no optics and no electronic communication through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed length:\u003c\/strong\u003e the 17.5 mm step is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread step:\u003c\/strong\u003e M48 × 0.75 female to M54 × 0.75 male.\u003c\/li\u003e\n\u003c\/ul\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 between an M48 female part and an M54 male part with no tools or adjustment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much length does it add?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e17.5 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it change the thread size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. It steps M48 × 0.75 female up to M54 × 0.75 male.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium 17.5 mm adapter that steps M48 up to M54, for setting backfocus while moving to the M54 interface.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293543023,"sku":"M48F-M54M-17.5","price":40.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M54M-M48F-17.5mm-Extender-s-600x598.png?v=1784239819"},{"product_id":"player-one-m68-adapter-for-fhd-oag-max","title":"Player One M68 Adapter for FHD-OAG MAX","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One M68 Adapter is a machined aluminum 6061-T6 ring made for the FHD-OAG MAX off-axis guider. It provides an M68 threaded interface so the FHD-OAG MAX can connect to an M68-threaded telescope or flattener. It is a purely mechanical part with no glass and no electronics.\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 own the Player One FHD-OAG MAX and need to mate it to an optical train that presents an M68 thread.\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\u003eM68 threaded interface:\u003c\/strong\u003e provides an M68 connection point for the FHD-OAG MAX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for the FHD-OAG MAX:\u003c\/strong\u003e designed specifically to fit that off-axis guider.\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 connect the FHD-OAG MAX to an M68-threaded telescope rear cell or flattener as part of a cooled-camera imaging train.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter is intended for the Player One FHD-OAG MAX and an M68 optical interface. If you want to confirm the M68 thread pitch matches your telescope or flattener before ordering, send us the model and we will check it 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\u003eMade for the FHD-OAG MAX:\u003c\/strong\u003e it is a dedicated ring for that off-axis guider rather than a general-purpose adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM68 interface:\u003c\/strong\u003e the mating optics need a matching M68 thread.\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 onto the FHD-OAG MAX and its M68 mating part by hand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConnecting the Player One FHD-OAG MAX to an M68-threaded telescope or flattener.\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 ring with no lenses or coatings.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a dedicated machined aluminum M68 ring that connects the Player One FHD-OAG MAX to an M68-threaded telescope or flattener.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293674095,"sku":"M68-RING","price":40.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M68-adapter-for-FHD-OAG-MAX.jpg?v=1784239833"},{"product_id":"player-one-m48-male-metal-camera-cap","title":"Player One M48 Male Metal Camera Cap","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Player One M48 Male Metal Camera Cap is a machined aluminium cap with M48 × 0.75 male threads. It threads into the M48 female port on a camera or adapter to keep dust off the threads and the sensor window when the item is not in use. It is a simple threaded protective cover.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you have a camera or accessory with an exposed M48 female thread and want a solid metal cap to protect the port and keep dust out in storage or transport.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 × 0.75 male thread:\u003c\/strong\u003e threads into any matching M48 female port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium 6061-T6:\u003c\/strong\u003e machined metal cap, more durable than a plastic push cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust and thread protection:\u003c\/strong\u003e keeps debris off the threads and the sensor window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical only:\u003c\/strong\u003e no optical elements and no electronic connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera port protection:\u003c\/strong\u003e cap an M48 female camera or adapter port during storage and transport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrain covers:\u003c\/strong\u003e seal an open M48 thread when the imaging train is broken down.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt threads into an M48 × 0.75 female port. It is a protective cap only and has no role in the optical path.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective cap only:\u003c\/strong\u003e it covers an M48 female thread for storage and has no optical or electronic function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48 male thread:\u003c\/strong\u003e it fits M48 × 0.75 female ports and no other standard.\u003c\/li\u003e\n\u003c\/ul\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 into the M48 female port by hand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny M48 × 0.75 female port on a camera or adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is it made of?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAluminium 6061-T6.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a machined aluminium cap with an M48 × 0.75 male thread, made to protect an M48 female camera or accessory port in storage and transport.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293739631,"sku":"M48M-Cap","price":19.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/M48M-Metal-Cover-logo.png?v=1784239844"},{"product_id":"player-one-r31-r27-rear-4-point-tilter-plate","title":"Player One R31+R27 Rear 4-Point Tilter Plate","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One R31+R27 Rear 4-Point Tilter Plate is a machined aluminum 6061-T6 tilt-adjustment plate for carbon-fiber cooled cameras. It mounts at the rear of the imaging train and uses four adjustment points to correct sensor tilt so stars stay round across the field. It carries an M42×0.75 female thread and is a purely mechanical part with no glass and no electronics.\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 are imaging with a Player One carbon-fiber cooled camera and need to remove tilt between the sensor and the optical axis to get even corner stars.\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\u003eFour-point tilt adjustment:\u003c\/strong\u003e four adjustment points let you correct sensor tilt in the imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42 thread interface:\u003c\/strong\u003e M42×0.75 female thread on the plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear-mounted plate:\u003c\/strong\u003e it fits at the rear of compatible cooled cameras, working with the R31 and R27 rings.\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\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUse it to dial out sensor tilt on a compatible cooled-camera imaging train, so field stars are even from center to corner when paired with a filter wheel or filter drawer.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlayer One lists it as compatible with the Ares series, Uranus PRO series, and Apollo PRO series cameras, and with the Phoenix wheel (7×36 mm, 7×2″, 7×50, and 5×2″) and the Filter Drawer MAX. If you want to confirm it fits your exact camera and filter combination, send us the models and we will check it 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 tilt plate only:\u003c\/strong\u003e it carries no optical elements and passes no electronic signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-specific:\u003c\/strong\u003e it is designed for Player One carbon-fiber cooled cameras and the R31\/R27 rings, not as a universal tilter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds to the imaging train:\u003c\/strong\u003e as a rear plate it occupies part of the backfocus budget, so account for it in your spacing.\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\u003eSetting the tilt takes some care — you adjust the four points while checking corner stars — but the plate itself threads into the train with no special tools. If you would like guidance, send us your setup and we will walk through it with you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCorrecting sensor tilt on a compatible Player One cooled-camera imaging train.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich cameras does it fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlayer One lists the Ares series, Uranus PRO series, and Apollo PRO series, with the Phoenix wheel and Filter Drawer MAX.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it contain any optics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is a machined mechanical plate with no lenses or coatings.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a machined aluminum four-point tilt plate with an M42 thread that removes sensor tilt on Player One Ares, Uranus PRO, and Apollo PRO cooled cameras for even stars across the field.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834293837935,"sku":"TP85-M42","price":68.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/NEW-Rear-4P-tilter-2.jpg?v=1784239856"},{"product_id":"player-one-t2-t2-adapter","title":"Player One T2-T2 Adapter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One T2-T2 Adapter is a machined metal coupler with a T2 (M42×0.75) male thread on both ends. It joins two T2 female fittings together in an imaging train. It is a purely mechanical part with no glass and no electronics.\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 connect two T2-threaded components — for example joining the Player One Phoenix Wheel to a camera or to a 1.25″-to-M42 rotolock.\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\u003eT2 male on both sides:\u003c\/strong\u003e M42×0.75 (T2) male threads at each end, with roughly 4 mm of thread engagement per side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort coupler:\u003c\/strong\u003e a compact 2 mm body that joins two T2 female fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal construction:\u003c\/strong\u003e machined for a durable, repeatable thread fit.\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\u003ePlayer One lists it for the Phoenix Wheel — connecting the wheel to a camera or to a 1.25″-M42 rotolock — and it works anywhere two T2 female fittings need to be joined.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter fits standard T2 \/ M42×0.75 threads. Both ends are male, so the mating components need T2 female threads. If you are not sure how it fits your camera and filter wheel, send us your setup and we will work it out 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 T2 male threads, so the mating components need T2 female threads.\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 T2 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 T2 female fittings — for example the Phoenix Wheel to a camera or a 1.25″-M42 rotolock.\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\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a compact metal T2 male-to-male coupler that joins two T2 female fittings, listed by Player One for connecting the Phoenix Wheel to a camera or rotolock.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53834295148655,"sku":"T2T2","price":16.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/T2-T2.jpg?v=1784239883"},{"product_id":"player-one-desiccant-tube-for-cooled-cameras","title":"Player One Desiccant Tube for Cooled Cameras","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Player One Desiccant Tube is a rechargeable moisture-control accessory for Player One cooled astronomy cameras. It threads into the camera body through an \u003cstrong\u003eM6×1\u003c\/strong\u003e front thread and holds \u003cstrong\u003e2 g of molecular sieve desiccant\u003c\/strong\u003e inside a machined \u003cstrong\u003eAluminum 6061-T6\u003c\/strong\u003e tube that measures \u003cstrong\u003e70 mm\u003c\/strong\u003e long. By drawing residual humidity out of the sealed sensor chamber, it helps prevent condensation and frost forming on the cold sensor window during long cooled-imaging sessions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is intended for astrophotographers running Player One cooled cameras who image in humid conditions, or who have recently opened the sensor chamber for cleaning and need to remove the moisture introduced during that process. It also serves as a maintenance item for cameras kept in storage between sessions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular sieve desiccant (2 g):\u003c\/strong\u003e absorbs moisture from the sealed sensor chamber to reduce the risk of condensation and frost on the cooled sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable:\u003c\/strong\u003e the desiccant is restored by placing the tube in a microwave for about 10 seconds, so it can be dried out and reused repeatedly rather than discarded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum 6061-T6 body:\u003c\/strong\u003e a 70 mm machined tube that resists handling wear and threads cleanly into the camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM6×1 front thread:\u003c\/strong\u003e screws directly into the desiccant port on compatible Player One cooled camera bodies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitting to the camera for about 24 hours after cleaning the sensor chamber to remove introduced moisture.\u003c\/li\u003e\n\u003cli\u003eKeeping the tube installed during extended sessions in humid environments to limit long-term condensation.\u003c\/li\u003e\n\u003cli\u003eLeaving it fitted while the camera is in storage between imaging runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe tube uses an \u003cstrong\u003eM6×1\u003c\/strong\u003e front thread and is designed for Player One cooled cameras that provide a matching desiccant port. Player One does not publish a per-model compatibility list on the product page, so it is worth confirming that a given camera body has the M6×1 desiccant port before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe desiccant recharges with roughly 10 seconds in a microwave, which restores its absorbing capacity for continued use.\u003c\/li\u003e\n\u003cli\u003eThe tube holds 2 g of molecular sieve desiccant in a 70 mm Aluminum 6061-T6 body.\u003c\/li\u003e\n\u003cli\u003eA shipping weight is not published by the manufacturer for this item.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e No. The tube threads into the camera's M6×1 desiccant port by hand, with no tools or wiring required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the desiccant be reused?\u003c\/strong\u003e Yes. Placing the tube in a microwave for about 10 seconds dries the molecular sieve so it can be used again.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long should it stay fitted?\u003c\/strong\u003e Player One suggests fitting it for about 24 hours after cleaning, or leaving it in place for extended periods in humid conditions or during storage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Player One Desiccant Tube is a simple, reusable way to keep moisture out of a cooled camera's sensor chamber, helping preserve clean, condensation-free frames session after session.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Default Title","offer_id":53835292770415,"sku":"DESICCANT-TUBE","price":27.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/DSC05415-600x600.jpg?v=1784261988"}],"url":"https:\/\/ontariotelescope.com\/collections\/player-one-astronomy-adapters-spacers.oembed?page=2","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}