{"product_id":"player-one-cs-1-25-adapter","title":"Player One CS-1.25 Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects CS-mount lenses to 1.25\" cameras\u003c\/li\u003e\n\u003cli\u003eFemale Thread: CS-Mount\u003c\/li\u003e\n\u003cli\u003eMale Thread: M28.5x0.6mm (Standard 1.25\" Filter Thread)\u003c\/li\u003e\n\u003cli\u003eIdeal for creating compact guide scopes or all-sky cameras\u003c\/li\u003e\n\u003cli\u003eDurable, all-metal construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCS-1.25 Adapter\u003c\/h2\u003e\n\u003cp\u003eThe CS-1.25 adapter connects any CS-mount lens to a camera with a 1.25\" nosepiece or standard M28.5x0.6mm filter threads, making it an essential tool for creating a compact, wide-field guide scope. This simple adapter unlocks the potential of using small, lightweight, and often fast C-mount lenses for autoguiding or electronic finder applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConvert Your Guide Camera into a Wide-Field Scope with a 1.25\" Adapter\u003c\/h3\u003e\n\u003cp\u003eThis adapter is designed for one specific, critical task: bridging the gap between the CS lens standard and the 1.25\" format common to most astronomy guide cameras. By threading directly into the camera body or nosepiece, it allows you to attach a wide variety of affordable and compact CS-mount lenses, instantly converting your guider into a standalone, wide-field imaging system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFemale Thread (Lens Side):\u003c\/strong\u003e Accepts any standard CS-mount lens, popular in security and machine vision applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMale Thread (Camera Side):\u003c\/strong\u003e Features M28.5x0.6mm threads, which is the standard for 1.25\" astronomy filters. This allows it to screw into the filter threads found inside most 1.25\" camera nosepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Use Case:\u003c\/strong\u003e Build a lightweight, wide-field guide scope. This is particularly useful for portable setups or for guiding on short focal length imaging telescopes where a traditional guide scope would be overkill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary function of the CS-1.25 adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe CS-1.25 adapter is designed to connect a lens with a \u003cstrong\u003eCS-mount thread\u003c\/strong\u003e to an astronomy camera that has a \u003cstrong\u003e1.25\" nosepiece\u003c\/strong\u003e or accepts standard M28.5x0.6mm filter threads. This allows you to use widely available CS lenses as a compact guide scope or an all-sky camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach the CS-1.25 adapter to my guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou typically unscrew the 1.25\" barrel that comes with your guide camera. The adapter's male M28.5x0.6mm threads will then screw directly into the camera's body where the barrel was attached. Once the adapter is secure, you can thread your CS-mount lens onto the adapter's female threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this CS-1.25 adapter work with C-mount lenses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this adapter is specifically for \u003cstrong\u003eCS-mount lenses\u003c\/strong\u003e. While C-mount and CS-mount have the same thread diameter, they have different flange-to-sensor distances. A C-mount lens requires a longer distance and will not reach focus when attached to this CS-mount adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the CS-1.25 adapter to create a guide scope for imaging the North America Nebula (NGC 7000)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. Pairing a short focal length CS lens (e.g., 12mm or 16mm) with your guide camera using this adapter is an excellent way to get a very wide field of view. This makes it easy to find multiple guide stars when imaging large deep-sky objects like the North America Nebula (NGC 7000) or the Andromeda Galaxy (M31).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the exact thread specifications for the CS-1.25 adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter has two threads:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFemale Thread:\u003c\/strong\u003e CS-mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMale Thread:\u003c\/strong\u003e M28.5 x 0.6mm (This is the standard thread size for 1.25\" filters)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the CS-1.25 adapter compatible with Player One or ZWO guide cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this adapter is compatible with most guide cameras that use a standard 1.25\" nosepiece with internal M28.5x0.6mm threads, which includes the vast majority of models from brands like Player One and ZWO.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFemale Thread\u003c\/td\u003e\n\u003ctd\u003eCS-Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMale Thread\u003c\/td\u003e\n\u003ctd\u003eM28.5 x 0.6mm (1.25\" Filter Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eConnects CS lenses to 1.25\" astronomy cameras\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCS-1.25 Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Player One 2-Year Warranty\" href=\"https:\/\/davidastro.com\/pages\/player-one-warranty-policy\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":52913432527133,"sku":"POA-CS125","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PlayerOne-CS-1-25-adapter-1_5b992411-db15-489c-a5f2-b5a59e156d70.jpg?v=1789091128","url":"https:\/\/davidastro.com\/products\/player-one-cs-1-25-adapter","provider":"David Astro","version":"1.0","type":"link"}