{"product_id":"zwo-m42-plate-for-caa-rotator","title":"ZWO M42 Plate for CAA Rotator","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConverts ZWO CAA Rotator to M42 T-Threads\u003c\/li\u003e\n\u003cli\u003eMaintains 55mm Backfocus Standard\u003c\/li\u003e\n\u003cli\u003eZero-Profile Design Adds No Optical Path Length\u003c\/li\u003e\n\u003cli\u003eIdeal for ASI533, ASI2600, and Other M42-Thread Cameras\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\u003eZWO M42 Plate for CAA Rotator\u003c\/h2\u003e\n\u003cp\u003eThe ZWO CAA M42 Adapter Plate directly converts the native M48 or M54 thread of the ZWO Camera Angle Adjuster (CAA) to a male M42x0.75 T-thread. This zero-profile plate replaces the rotator's stock adapter, enabling a direct connection to M42-threaded cameras and accessories while preserving the critical 55mm backfocus distance required by most imaging systems.\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\u003eAchieve Precise 55mm Backfocus with M42 Cameras\u003c\/h3\u003e\n\u003cp\u003eFor imagers using popular cameras like the ASI533 or ASI2600 series, which often rely on M42 spacers to achieve the standard 55mm backfocus, this adapter is essential. Instead of stacking multiple M48-to-M42 step-down rings that add unwanted length and potential tilt, this plate creates a single, rigid M42 connection point on the CAA itself. The result is a mechanically simpler and more stable imaging train that meets the 55mm specification without compromise.\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\u003eDirect 6-Screw Installation\u003c\/h3\u003e\n\u003cp\u003eSwapping the adapter plate on your ZWO CAA is a straightforward mechanical task. The plate installs using the same six mounting screws as the original M48\/M54 plate, ensuring perfect alignment and a secure fit.\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eRemove Stock Plate:\u003c\/strong\u003e Use the hex wrench included with your ZWO CAA to undo the six screws holding the existing adapter plate.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstall M42 Plate:\u003c\/strong\u003e Place the CAA M42 Adapter Plate onto the rotator body, aligning the six screw holes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSecure and Image:\u003c\/strong\u003e Reinstall the six screws to lock the plate in place. Your CAA is now fully configured for any M42-threaded camera or accessory.\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\"\u003eDoes the ZWO CAA M42 Adapter Plate add any backfocus to my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO CAA M42 Adapter Plate is a zero-profile replacement for the stock plate on the ZWO Camera Angle Adjuster. It does not add any optical path length, ensuring you can maintain the standard 55mm backfocus when connecting M42 cameras and accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy use this M42 plate instead of a standard M48-to-M42 step-down ring?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA standard step-down ring adds at least 1-2mm of backfocus, which can prevent your optical train from reaching the required 55mm distance. This plate replaces the stock M48\/M54 plate on the CAA, providing a native M42 connection with zero added length, which is the mechanically simplest and most precise solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this adapter compatible with the ZWO ASI533MC Pro camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is the ideal adapter for using a ZWO ASI533MC Pro or ASI533MM Pro with the ZWO CAA. Since those cameras use M42 threads, this plate allows you to connect the camera directly to the rotator as part of a standard 55mm backfocus configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this M42 plate work with any brand of camera rotator?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this adapter plate is designed specifically for the ZWO Camera Angle Adjuster (CAA). It uses a proprietary 6-screw mounting pattern and is not compatible with rotators from other manufacturers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat tools are needed to install the ZWO CAA M42 plate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation requires the small hex wrench that was originally included with your ZWO CAA rotator. No other tools are necessary.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO CAA M42 plate with an Off-Axis Guider (OAG)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. If your imaging train is configured for 55mm of backfocus and includes an M42-threaded OAG, this plate allows you to place the ZWO CAA rotator in front of the OAG without altering the required spacing.\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\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-CAA-PLATE-M42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Thread\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Male (T2-Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eZWO Camera Angle Adjuster (CAA)\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\"\u003eZWO CAA M42 Adapter Plate\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\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":50033434493213,"sku":"ZWO-CAA-PLATE-M42","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-CAA-PLATE-M42.jpg?v=1748971994","url":"https:\/\/davidastro.com\/fr-us\/products\/zwo-m42-plate-for-caa-rotator","provider":"David Astro","version":"1.0","type":"link"}