{"product_id":"primalucelab-pl3600387","title":"PrimaLuceLab Adapter from M98 to M54 with stop ring for ESATTO 3,5” LP","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects accessories with M54 female threads to the ESATTO 3.5\" LP focuser\u003c\/li\u003e\n\u003cli\u003eAdds a minimal 5mm of optical thickness to the imaging train\u003c\/li\u003e\n\u003cli\u003eFeatures an integrated M54 stop ring for precise rotational camera framing\u003c\/li\u003e\n\u003cli\u003eThreads directly onto the ESATTO 3.5\" LP's M98 draw tube\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\u003eAdapter from M98 to M54 with stop ring for ESATTO 3,5” LP\u003c\/h2\u003e\n\u003cp\u003eThe PrimaLuceLab Adapter from M98 to M54 with stop ring for ESATTO 3.5” LP provides a secure, rigid connection for your M54-threaded accessories, adding only 5mm of optical thickness to 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\u003eM54 Connection with Rotational Framing and 5mm Optical Path\u003c\/h3\u003e\n\u003cp\u003eThis adapter provides the essential mechanical link between the M98 male thread on the ESATTO 3.5\" LP focuser's draw tube and the common M54 female thread found on cameras, filter wheels, and off-axis guiders. Its design consumes just 5mm of precious back focus, ensuring you have maximum space for the rest of your imaging components.\u003c\/p\u003e\n\u003cp\u003eThe key feature is the integrated M54 stop ring. This mechanism allows you to achieve perfect camera orientation independent of the thread position. Simply loosen the stop ring, rotate your camera to the ideal angle for framing your target, and then tighten the ring to lock it in place, preventing any rotation as you secure the main adapter thread.\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\"\u003eWhat is the primary function of the PrimaLuceLab M98 to M54 adapter for the ESATTO 3.5\" LP?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter's main purpose is to connect any camera, filter wheel, or other astrophotography accessory that has a standard \u003cstrong\u003eM54 female thread\u003c\/strong\u003e to the \u003cstrong\u003eM98 male thread\u003c\/strong\u003e on the draw tube of an ESATTO 3.5\" LP robotic focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the stop ring on the M98 to M54 adapter improve astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eM54 stop ring\u003c\/strong\u003e allows you to control the final rotational angle of your camera. This is critical for proper framing of celestial objects, such as aligning your camera sensor with the long axis of a galaxy. You can set the angle precisely without it changing as you tighten the adapter, ensuring perfect composition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much back focus does the PrimaLuceLab M98 to M54 adapter use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter has an optical thickness of just \u003cstrong\u003e5mm\u003c\/strong\u003e. This minimal length helps preserve the available back focus in your imaging train, leaving more room for other essential accessories like off-axis guiders and filter wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this PrimaLuceLab M98 to M54 adapter to orient my camera for framing the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. This is exactly what the stop ring is designed for. After threading the adapter onto your ESATTO 3.5\" LP, you can rotate your attached camera to align its sensor with the elongated shape of the Andromeda Galaxy (M31) and then lock it in that position using the stop ring for optimal framing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have a filter wheel with an M54 female thread. Will this adapter connect it to my ESATTO 3.5\" LP focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This adapter is designed specifically for this purpose. It will thread directly into the M98 draw tube of your ESATTO 3.5\" LP and provide a secure M54 male thread to connect your filter wheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install the PrimaLuceLab M98 to M54 adapter on my ESATTO 3.5\" LP?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation is straightforward. You simply thread the M98 side of the adapter directly onto the draw tube of the ESATTO 3.5\" LP focuser until it is snug. Then, you can attach your M54-threaded accessory to the other side of the adapter.\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\u003eOptical Thickness\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser Side Connection\u003c\/td\u003e\n\u003ctd\u003eM98 Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Connection\u003c\/td\u003e\n\u003ctd\u003eM54 Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePrimaLuceLab ESATTO 3.5\" LP Focuser\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 from M98 to M54 with stop ring\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\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":52913379410205,"sku":"PLL-PL3600387","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PrimaLuceLab-Adapter-from-M98-to-M54-with-stop-ring-for-ESATTO-3-5-LP-1_8fdc70af-236e-4f4c-b99d-b91546013e87.jpg?v=1789090096","url":"https:\/\/davidastro.com\/fr-us\/products\/primalucelab-pl3600387","provider":"David Astro","version":"1.0","type":"link"}