{"product_id":"baader-planetarium-m48i-heavy-duty-quick-changer-with-s48i-dovetail-receptor","title":"Baader Planetarium M48i Heavy-Duty Quick Changer with S48i Dovetail receptor","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHeavy-Duty Quick-Change System\u003c\/li\u003e\n\u003cli\u003eM48i Thread Connection\u003c\/li\u003e\n\u003cli\u003eS48i Dovetail Receptor\u003c\/li\u003e\n\u003cli\u003eRotation-Proof Mounting for Heavy 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\u003eM48i Heavy-Duty Quick Changer with S48i Dovetail receptor\u003c\/h2\u003e\n\u003cp\u003eThe Baader M48i Heavy-Duty Quick Changer with S48i Dovetail receptor establishes a rigid, rotation-proof connection for any M48-threaded accessory. Its secure S48i dovetail supports heavy M48 imaging trains without the risk of sag or unwanted rotation that can ruin an exposure.\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 S48i Dovetail System: Secure, Repeatable Connections\u003c\/h3\u003e\n\u003cp\u003eThreading and unthreading components like cameras and filter wheels in the dark is a common source of frustration and dropped equipment. This quick-change system replaces that process with a simple, secure dovetail lock, allowing you to swap accessories in seconds without losing the precise orientation of 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\u003eRotation-Proof Support for Heavy M48 Imaging Trains\u003c\/h3\u003e\n\u003cp\u003eA standard M48 threaded connection can loosen under the weight of a heavy camera, causing the entire imaging train to rotate and ruining framing and flat-field calibration. The Baader Heavy-Duty Quick Changer is engineered specifically to prevent this, providing a solid, non-rotating lock that maintains perfect alignment throughout a long imaging session.\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 main advantage of the Baader M48i Heavy-Duty Quick Changer over standard M48 extension tubes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is its ability to provide a \u003cstrong\u003erotation-proof\u003c\/strong\u003e and \u003cstrong\u003esecure lock\u003c\/strong\u003e for heavy accessories. Unlike standard threads that can loosen under load, the M48i Quick Changer uses a dovetail mechanism to prevent any unwanted rotation, while also allowing you to swap components quickly without unthreading them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eMy heavy camera and filter wheel rotate during an imaging session. Will the M48i Quick Changer solve this?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This product is specifically designed to solve that exact problem. Its heavy-duty construction and dovetail locking system create a rigid mechanical connection that is immune to the rotational forces exerted by a heavy, off-axis imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI need to switch between a camera and an eyepiece on my M48 threaded focuser. How does the M48i Quick Changer help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe M48i Quick Changer system allows you to attach a male dovetail ring to each accessory (camera, eyepiece holder, etc.). You can then swap between them in seconds by simply unlocking the receptor, removing one component, and locking the other in its place, all without tedious and risky threading in the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"S48i dovetail receptor\" mean on the M48i Quick Changer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \"S48i dovetail receptor\" is the female part of the system that remains attached to your telescope's focuser. It contains the locking mechanism that securely grips the corresponding male S48i dovetail ring attached to your camera or other M48 accessory, ensuring a tight, repeatable fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen setting up my imaging train with an OAG and a large camera, can the M48i Quick Changer maintain my component orientation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. Maintaining precise rotational alignment is a key function. Once you achieve perfect focus and orientation for your guide camera within the off-axis guider, the quick-changer ensures that every time you re-attach your imaging block, it returns to that exact same orientation, saving significant setup time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader M48i Quick Changer compatible with standard M48 (2-inch filter) threads?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the M48i designation indicates it is designed to integrate seamlessly into any optical train using the standard M48x0.75 thread pitch, which is common for 2-inch focusers, field flatteners, and filter wheels.\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\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Type\u003c\/td\u003e\n\u003ctd\u003eLarge clamping screw wirh brass pressure plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping System\u003c\/td\u003e\n\u003ctd\u003eScrew clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e47.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e59mm x 75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eSame-Thread Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsage\u003c\/td\u003e\n\u003ctd\u003efor heavy-duty accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eM48\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\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 Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913156915485,"sku":"BAA-2958590","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-M48i-Heavy-Duty-Quick-Changer-with-S48i-Dovetail-receptor-1_668758de-bce2-49dc-9f8a-0124f155145f.jpg?v=1789086857","url":"https:\/\/davidastro.com\/en-us\/products\/baader-planetarium-m48i-heavy-duty-quick-changer-with-s48i-dovetail-receptor","provider":"David Astro","version":"1.0","type":"link"}