{"product_id":"baader-planetarium-adapter-m82a-to-m68i","title":"Baader Planetarium Adapter M82a to M68i","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts M82x1 female threads to M68x1 female threads\u003c\/li\u003e\n\u003cli\u003eEnables a rigid, direct-threaded connection to your focuser\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader M68 system and accessories\u003c\/li\u003e\n\u003cli\u003eEliminates flexure and tilt common with slip-fit adapters\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 M82a to M68i\u003c\/h2\u003e\n\u003cp\u003eThe Baader Adapter M82a to M68i provides the critical link between focusers with an M82 output thread, such as the Baader 3\" Hyperion Focuser, and the robust M68 threaded accessory system. This adapter converts the male M82 thread on your focuser to a female M68 thread, creating a secure, non-flexing foundation for your imaging train. For astrophotography where any amount of tilt can ruin a sub-exposure, this direct-threaded connection is essential for maintaining optical alignment with heavy cameras, filter wheels, or telecentric 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\u003eA Rigid M82 to M68 Threaded Connection for Flex-Free Imaging\u003c\/h3\u003e\n\u003cp\u003eIn any serious imaging setup, the weakest link is often where components are joined. Standard 2-inch push-fit adapters introduce the potential for sag and tilt, especially under the load of a heavy camera or a long accessory train. This adapter solves that problem by replacing the slip-fit connection with a large-diameter M68 thread, ensuring your entire imaging system is rigidly bolted to the focuser drawtube. By creating a solid, threaded column, it prevents the deflexure that compromises star shapes and calibration frames, making it a fundamental component for professional-level results.\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 Baader M82a to M68i Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter's main function is to convert the male M82 thread found on certain focusers, like the Baader 3\" Hyperion model, to the versatile female M68 thread. This allows you to securely attach Baader's M68 Tele-Compendium system and other M68-threaded accessories directly to your focuser, eliminating flexure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is this M82 to M68 threaded adapter better than using a standard 2\" nosepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA standard 2\" nosepiece relies on a compression ring or thumbscrew, which can allow for minute amounts of tilt, especially with heavy equipment. This \u003cstrong\u003ethreaded adapter\u003c\/strong\u003e bolts directly to the focuser, creating a single, rigid unit with your camera and accessories. This completely prevents the sag and flexure that can lead to elongated stars, particularly in the corners of an image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich focusers can I use this M82 to M68 adapter with?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is specifically designed for focusers that have a male M82x1 thread on the camera side of the drawtube. The most common example is the \u003cstrong\u003eBaader 3\" Hyperion Focuser\u003c\/strong\u003e. It serves as the primary connection point to integrate that focuser into the M68 ecosystem.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the 'a' and 'i' mean in the M82a \/ M68i designation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe letters denote the thread type based on German nomenclature. \u003cstrong\u003e'a' stands for Außengewinde (male\/external thread)\u003c\/strong\u003e, and \u003cstrong\u003e'i' stands for Innengewinde (female\/internal thread)\u003c\/strong\u003e. Therefore, this adapter has an M82 female thread to receive the focuser's male thread, and it presents an M68 female thread for your accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the M82 to M68 Adapter help with a heavy imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a heavy imaging train (e.g., a large sensor camera, filter wheel, and off-axis guider), the leverage effect can cause significant sag in slip-fit connections. By using this adapter to create a solid, threaded connection, the entire weight is supported rigidly and squarely to the optical axis, preserving collimation and ensuring sharp stars across the entire field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Baader M68 system this adapter connects to?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe M68 system is a wide-diameter threaded standard, originally used on large Zeiss telescopes, that Baader Planetarium has adopted for a range of professional-grade accessories. It includes extension tubes, adapters, and correctors designed to provide a large, unvignetted, and rigid optical path for serious astrophotography.\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\u003eAdapter From\u003c\/td\u003e\n\u003ctd\u003eM82x1 Male Thread (connects to M82 female on focuser)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter To\u003c\/td\u003e\n\u003ctd\u003eM68x1 Female Thread\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\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.baader-planetarium.com\/en\/downloads\/dl\/file\/id\/299\/product\/1429\/pricelist_baader_m68_system.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 M68 System Chart\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\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913175953693,"sku":"BAA-2458198","price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-Adapter-M82a-to-M68i-1_b6e651f3-6c32-4e81-9bcd-fb1183b67d3f.jpg?v=1789087230","url":"https:\/\/davidastro.com\/fr\/products\/baader-planetarium-adapter-m82a-to-m68i","provider":"David Astro","version":"1.0","type":"link"}