{"product_id":"baader-planetarium-bds-sc-adapter-s88i-to-m48i","title":"Baader Planetarium BDS-SC Adapter S88i to M48i","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects Baader Diamond Steeltrack SC (BDS-SC) focusers to M48 accessories\u003c\/li\u003e\n\u003cli\u003eProvides a standard female M48 (M48x0.75) accessory thread\u003c\/li\u003e\n\u003cli\u003eEnables a rigid, secure connection for imaging equipment\u003c\/li\u003e\n\u003cli\u003eEliminates potential flexure from 2-inch push-fit adapters\u003c\/li\u003e\n\u003cli\u003eMachined for a precise fit with Baader S88 threads\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\u003eBDS-SC Adapter S88i to M48i\u003c\/h2\u003e\n\u003cp\u003eThe Baader BDS-SC Adapter S88i to M48i creates a direct, threaded connection between your Baader Diamond Steeltrack focuser for Schmidt-Cassegrain telescopes and the extensive ecosystem of M48-threaded imaging accessories. This component is essential for building a rigid, flex-free optical train for astrophotography, replacing less secure compression-ring holders with a solid, reliable link.\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\u003eConnect Your BDS-SC Focuser to M48 Accessories\u003c\/h3\u003e\n\u003cp\u003eThis adapter bridges the large S88 female thread on the BDS-SC focuser to the universal M48 female thread (also known as 2-inch filter thread) common on filter wheels, off-axis guiders, and dedicated astronomy cameras. By threading your components together, you eliminate the primary source of tilt and flexure that can compromise flat fields and star shapes.\u003c\/p\u003e\n\u003cp\u003eA fully threaded imaging train maintains perfect alignment from the focuser to the sensor, which is critical for achieving sharp results, especially with heavy cameras or long exposure times. This adapter is the starting point for a professional-grade, secure connection that ensures your focuser's precision is not lost to mechanical sag.\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 BDS-SC Adapter S88i to M48i?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts primary purpose is to convert the large S88 thread on a Baader Diamond Steeltrack SC (BDS-SC) focuser to the widely used M48 accessory thread. This allows you to securely attach imaging equipment like filter wheels, off-axis guiders, and cameras directly to the focuser drawtube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich focusers are compatible with the BDS-SC Adapter S88i to M48i?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is specifically designed for Baader Planetarium's \u003cstrong\u003eDiamond Steeltrack focusers made for Schmidt-Cassegrain telescopes (BDS-SC)\u003c\/strong\u003e. It matches the S88 thread found on these specific models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy should I use this BDS-SC adapter instead of a standard 2-inch visual back?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA threaded connection is mechanically superior to a push-fit adapter held by thumbscrews or a compression ring. The \u003cstrong\u003eBDS-SC Adapter S88i to M48i\u003c\/strong\u003e prevents:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexure:\u003c\/strong\u003e Sagging of heavy imaging equipment is eliminated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTilt:\u003c\/strong\u003e The camera sensor remains perfectly perpendicular to the optical axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e The imaging train cannot accidentally rotate or slip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of accessories can I attach using the BDS-SC Adapter S88i to M48i?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can attach any astronomical accessory that has a male M48x0.75 thread. This includes most 2-inch filter wheels, off-axis guiders, camera rotators, and dedicated astronomy cameras that use an M48 nosepiece or adapter plate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this BDS-SC adapter improve my images of the Orion Nebula (M42) taken with an SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. For deep-sky imaging of targets like the Orion Nebula (M42), maintaining a rigid optical train is critical for sharp stars across the field. By using the \u003cstrong\u003eBDS-SC Adapter S88i to M48i\u003c\/strong\u003e to thread your camera and accessories to your BDS-SC focuser, you minimize flexure that can cause elongated stars, especially in the corners of your images during long exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this adapter useful for planetary imaging of Jupiter with a C8 and a BDS-SC focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. While flexure is less of a concern with short planetary exposures, maintaining perfect collimation and alignment is key to capturing fine detail on Jupiter's cloud bands. A secure, threaded connection via the \u003cstrong\u003eBDS-SC Adapter S88i to M48i\u003c\/strong\u003e ensures your camera and Barlow lens are held rigidly on-axis, preventing any optical tilt that could soften the image.\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\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Type\u003c\/td\u003e\n\u003ctd\u003eDelrin screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping System\u003c\/td\u003e\n\u003ctd\u003eDovetail clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eReducing Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eS88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eM48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdaptable to\u003c\/td\u003e\n\u003ctd\u003eBDS-SC Diamond Steeltrack for Schmidt Cassegrains\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapters Family\u003c\/td\u003e\n\u003ctd\u003eM48 System\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\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 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913215865117,"sku":"BAA-2957297","price":158.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-BDS-SC-Adapter-S88i-to-M48i-1_d835ec5e-51fc-46b3-8846-4623c06cb4ec.jpg?v=1789088302","url":"https:\/\/davidastro.com\/products\/baader-planetarium-bds-sc-adapter-s88i-to-m48i","provider":"David Astro","version":"1.0","type":"link"}