{"product_id":"baader-planetarium-adapter-m68a-to-sp54a-hyperion-dt-ring","title":"Baader Planetarium Adapter M68a to SP54a – Hyperion® DT-Ring","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts M68a (External) Threads to SP54a (External) Threads\u003c\/li\u003e\n\u003cli\u003eEngineered for Baader FFC and Telecentric Systems\u003c\/li\u003e\n\u003cli\u003eProvides the Shortest Possible Mechanical Connection\u003c\/li\u003e\n\u003cli\u003ePart of the Hyperion® Digital T-Adapter System\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 M68a to SP54a – Hyperion® DT-Ring\u003c\/h2\u003e\n\u003cp\u003eThe Baader Hyperion® DT-Ring Adapter M68a to SP54a provides the shortest possible mechanical link between M68 (Zeiss) system components and SP54 accessories. This adapter is the essential component for connecting the Baader Fluoride Flatfield Converter (FFC) to a DSLR via the M68 thread, ensuring a rigid, minimal-length optical path for high-magnification planetary imaging.\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\u003eThe Shortest M68 to SP54 Path for the Baader FFC\u003c\/h3\u003e\n\u003cp\u003eWhen using powerful optical amplifiers like the Baader FFC or a telecentric system, minimizing the distance between components is critical for mechanical stability and precise back focus. This DT-Ring is specifically designed to create the most compact and rigid connection possible between an M68 female thread and an SP54 female thread, eliminating a common source of flexure in demanding imaging setups.\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\u003eIntegrating into the M68 (Zeiss) System\u003c\/h3\u003e\n\u003cp\u003eAs part of Baader's extensive Digital T-Adapter system, this ring connects accessories like the FFC or telecentrics into the larger M68 (Zeiss) thread ecosystem. This system is common on high-end focusers and optical accessories, and the M68a to SP54a adapter enables you to build a robust, thread-on imaging train from your telescope to your camera with no compromises.\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 purpose of the Hyperion® DT-Ring Adapter M68a to SP54a?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts main function is to create the shortest, most rigid connection between a female \u003cstrong\u003eM68 thread\u003c\/strong\u003e and a female \u003cstrong\u003eSP54 thread\u003c\/strong\u003e. This is specifically for attaching accessories like the Baader Fluoride Flatfield Converter (FFC) or telecentric systems into an M68-based imaging train with minimal added length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the Adapter M68a to SP54a to connect my DSLR to a Baader FFC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter typically threads onto the M68 port of a focuser or extension tube. The Baader FFC then threads into the adapter's SP54 side. From there, you would use other Baader DT-Rings to connect the FFC to your specific DSLR camera's T-ring, completing the imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a 'short' connection important for the Baader M68a to SP54a adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn high-magnification imaging, any extra length in the optical path can introduce flexure, which degrades image sharpness. By creating the shortest possible link, this adapter maintains the rigidity of the entire system, which is crucial for resolving fine detail on planets like Jupiter or Saturn.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do 'M68a' and 'SP54a' mean on this Baader DT-Ring?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese are thread designations. \u003cstrong\u003eM68\u003c\/strong\u003e refers to the Zeiss M68x1mm thread standard. \u003cstrong\u003eSP54\u003c\/strong\u003e is a Baader-specific 54mm thread. The 'a' signifies an external (male) thread on the adapter, which threads into an internal (female) thread on the connecting accessory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this M68a to SP54a adapter compatible with non-Baader components?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, provided your components use the standard M68x1mm and SP54 threads. While designed as part of the Baader system for optimal spacing with their FFC and telecentrics, it will physically connect any compatible male and female threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Adapter M68a to SP54a for visual observing with my refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is designed for photographic applications where precise, short spacing is paramount. While it could be part of a visual train if the threads match, its primary utility is in building rigid, minimal-back-focus imaging systems, particularly for high-resolution work with an SCT or large refractor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913136206109,"sku":"BAA-2458060","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-Adapter-M68a-to-SP54a-Hyperion-DT-Ring-1_daf2876e-8c31-43e5-a1ab-3a1f4b2e460b.jpg?v=1789086587","url":"https:\/\/davidastro.com\/fr-us\/products\/baader-planetarium-adapter-m68a-to-sp54a-hyperion-dt-ring","provider":"David Astro","version":"1.0","type":"link"}