{"product_id":"primalucelab-pl3600539","title":"PrimaLuceLab Adapter ESATTO 2” LP for telescopes with large 3.3\" SC thread","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects ESATTO 2” LP to telescopes with a large 3.3\" SC thread\u003c\/li\u003e\n\u003cli\u003eDesigned for Celestron SCT (11\" and 14\") and EdgeHD (9.25\", 11\", and 14\") models\u003c\/li\u003e\n\u003cli\u003eEnables a secure, threaded connection for robotic focusing and rotation\u003c\/li\u003e\n\u003cli\u003eLow-profile design minimizes optical path length\u003c\/li\u003e\n\u003cli\u003eMaintains backfocus for use with focal reducers and other accessories\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\u003eDownloads\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\u003eAdapter ESATTO 2” LP for telescopes with large 3.3\" SC thread\u003c\/h2\u003e\n\u003cp\u003eThis adapter provides the essential mechanical link to connect your PrimaLuceLab ESATTO 2\" LP robotic focuser to large-aperture Celestron SCT and EdgeHD telescopes. It replaces the standard visual back, creating a secure, all-threaded connection from the telescope's large 3.3-inch rear port to the ESATTO focuser, eliminating any potential for flexure or misalignment in your imaging train.\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\u003eNative Integration for Celestron 11\" and 14\" Telescopes\u003c\/h3\u003e\n\u003cp\u003eIf you own a Celestron SCT 11\", SCT 14\", EdgeHD 925, EdgeHD 1100, or EdgeHD 1400, the standard SCT thread is replaced by a larger, more robust 3.3\" thread. This adapter is specifically machined to match that thread, allowing you to mount the ESATTO 2\" LP low-profile focuser and the ARCO 2\" rotator directly to the telescope's rear cell for precise, automated control.\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\u003ePreserve Critical Backfocus with EdgeHD Reducers\u003c\/h3\u003e\n\u003cp\u003eThe adapter features a minimal optical thickness, a critical design choice for preserving the limited backfocus available on Schmidt-Cassegrain systems. This low-profile construction ensures you have sufficient space for your camera and accessories, even when using the Celestron EdgeHD 0.7x focal reducer on the 925, 1100, and 1400 models. You can build a complete, rigid imaging train without sacrificing the reducer's performance.\u003c\/p\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\"\u003eWhich Celestron telescopes is this ESATTO 2” LP adapter compatible with?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is designed for Celestron telescopes that use the large 3.3\" rear thread. This includes the \u003cstrong\u003eCelestron SCT 11\" and 14\"\u003c\/strong\u003e models, as well as the \u003cstrong\u003eEdgeHD 925, 1100, and 1400\u003c\/strong\u003e models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this adapter with my Celestron EdgeHD 1100 and the .7x focal reducer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The adapter is specifically designed with a minimal profile to preserve as much backfocus as possible, making it fully compatible with the Celestron 0.7x focal reducers for the EdgeHD 925, 1100, and 1400 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this ESATTO 2” LP adapter connect any other PrimaLuceLab accessories?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this adapter creates the correct threaded connection for the ESATTO 2\" LP focuser, which then allows you to attach other accessories in the PrimaLuceLab ecosystem, such as the \u003cstrong\u003eARCO 2\" robotic rotator\u003c\/strong\u003e, for a fully automated imaging setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need a special adapter for the ESATTO 2” LP on these larger SCTs?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUnlike smaller SCTs that use a 2\" thread, larger Celestron models (11\" and up) feature a wider 3.3\" rear port for better stability and to prevent vignetting with large sensors. This adapter securely steps down from that large 3.3\" thread to the input thread of the ESATTO 2\" LP focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this adapter affect imaging the Andromeda Galaxy (M31) with my C14 and reducer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter's primary role is to ensure a rigid, flex-free connection for your focuser and camera. Its thin profile is crucial for maintaining the precise spacing required by the focal reducer to achieve a flat field, ensuring stars are sharp across the entire frame when capturing large targets like the Andromeda Galaxy (M31).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter work with the standard ESATTO 2\" or ESATTO 3\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this adapter is specifically designed to connect to the \u003cstrong\u003eESATTO 2\" LP (Low Profile)\u003c\/strong\u003e robotic focuser. It is not compatible with the standard ESATTO 2\" or larger models, which have different threading and body designs.\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\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCelestron SCT 11\"\/14\", EdgeHD 925\/1100\/1400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003e3.3\" SC Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser Connection\u003c\/td\u003e\n\u003ctd\u003ePrimaLuceLab ESATTO 2\" LP\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\"\u003eAdapter ESATTO 2” LP for 3.3\" SC thread\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\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.primalucelab.com\/astronomy\/docs\/documents\/manuals\/PrimaLuceLab-ESATTO-focuser-user-manual-EN.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/primalucelab-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePrimaLuceLab 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PrimaLuceLab","offers":[{"title":"Default Title","offer_id":52913371054365,"sku":"PLL-PL3600539","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PrimaLuceLab-Adapter-ESATTO-2-LP-for-telescopes-with-large-3-3-SC-thread-1_48811844-f8ec-48c7-804a-22db40b8c668.jpg?v=1789090010","url":"https:\/\/davidastro.com\/fr-us\/products\/primalucelab-pl3600539","provider":"David Astro","version":"1.0","type":"link"}