{"title":"Filter Accessories","description":"\u003cdiv\u003e\n  \u003cp\u003e\n    Filters spend most of their life being handled, stored and swapped, and every one of those moments is a chance to fingerprint a coating or drop a 36 mm piece of glass into wet grass. Cells, holders, cases and slide systems remove most of that risk. David Astro carries filter accessories in Canada, held in stock for fast domestic shipping.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    Sizes and threads vary by manufacturer. Tell us your filters and wheel and we will identify what fits.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- more --\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eHolding, Storing and Changing Filters\u003c\/h2\u003e\n  \u003cp\u003e\n    These accessories address handling and storage, which is where most filter damage actually happens.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter cells and rings:\u003c\/strong\u003e Mount an unmounted filter into a threaded cell so it can be handled by the edge and screwed in without touching the glass.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter cases:\u003c\/strong\u003e Individual compartments that prevent coated surfaces contacting each other, which is how most cleaning marks are acquired.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter slides and holders:\u003c\/strong\u003e Quick-change mechanisms that let a filter be swapped without unthreading anything in the imaging train.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCarriers for unmounted filters:\u003c\/strong\u003e Adapt square or unmounted round filters into wheels and drawers designed for mounted formats.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStep rings and thread adapters:\u003c\/strong\u003e Convert between 1.25 inch, 2 inch and metric filter threads, which is often needed when moving filters between setups.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHandling tools:\u003c\/strong\u003e Suction handles and edge grips for large unmounted filters, which are otherwise awkward to place without contact.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eWhy Choose David Astro for Filter Accessories\u003c\/h2\u003e\n  \u003cp\u003e\n    A cheap accessory that protects an expensive filter is one of the better value purchases available.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThread and size identified:\u003c\/strong\u003e We match cells, adapters and carriers to your specific filters and wheel rather than assuming a standard fit.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStorage advice included:\u003c\/strong\u003e We recommend compartmented storage with desiccant, because coating damage in storage is more common than damage in use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHandling technique:\u003c\/strong\u003e We will explain how to place a large unmounted filter without touching its surface, which is not obvious the first time.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuthorized dealer:\u003c\/strong\u003e Genuine products with manufacturer warranty, in Canadian stock.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShips from Canada:\u003c\/strong\u003e No duties or brokerage fees for Canadian buyers.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eFilter Accessories in Canada — Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003e\u003cstrong\u003eShould I buy mounted or unmounted filters?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eMounted are far easier to handle and thread in. Unmounted maximize clear aperture for large sensors, which sometimes matters enough to accept the handling difficulty.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eHow should I store filters?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eIn individual compartments so surfaces cannot touch, in a dry place with desiccant. Stacked filters and humid storage account for most of the cleaning marks we see.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eCan I use unmounted filters in a standard wheel?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eOnly with a compatible carrier, and only if the wheel is designed to accept one. Tell us the wheel model and filter format and we will confirm.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eHow do I handle a large filter safely?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eBy the edges only, or with a suction handle for larger unmounted glass. Place it into a cell first rather than handling it repeatedly during installation.\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eProtecting your filters?\u003c\/h2\u003e\n  \u003cp\u003eTell us your filters and wheel and we will identify what fits. Canadian stock, fast domestic shipping.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"baader-dslr-2-filter-holder-m48-sp54","title":"Baader DSLR-2\" Filter Holder - M48\/SP54","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts 2\" astronomical filters with M48 threads for use on standard DSLR camera lenses\u003c\/li\u003e\n\u003cli\u003eProvides a standard SP54 female thread for connection to various lens adapter rings\u003c\/li\u003e\n\u003cli\u003eFeatures a 46mm clear aperture to minimize vignetting on full-frame sensors\u003c\/li\u003e\n\u003cli\u003eEnables wide-field astrophotography with specialized nebula or light pollution filters\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\u003eBaader DSLR-2\" Filter Holder - M48\/SP54\u003c\/h2\u003e\n\u003cp\u003eThe Baader DSLR-2\" Filter Holder bridges the critical gap between professional M48 threaded astronomical filters and the world of DSLR camera lenses. This precision adapter converts the standard 2\" astro-filter M48 thread to the versatile SP54 photographic standard, allowing you to attach high-end nebula and light pollution filters directly to your lens for stunning wide-field astrophotography.\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\u003eBridge the Gap: Use 2\" M48 Astro-Filters on Your Camera Lens\u003c\/h3\u003e\n\u003cp\u003eYou no longer need to compromise by using smaller, less effective filters for your camera lens astrophotography. This holder allows you to deploy your best 2\" (M48 thread) filters, originally intended for telescopes, directly onto your photography rig. With a clear aperture of 46mm, it's designed to illuminate large sensors and minimize the risk of vignetting, even with fast, wide-angle lenses.\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 Modular System: Adapting to M46, M52, M58 \u0026amp; More\u003c\/h3\u003e\n\u003cp\u003eThe M48\/SP54 Filter Holder is the core of a flexible system. Its female SP54 thread serves as a universal base, accepting a wide range of optional Baader lens adapter rings. Whether your lens has a front filter thread of M46, M49, M52, M55, M58, or M62, a corresponding ring is available to create a secure, light-tight connection. This modularity ensures you can use your premium 2\" filters across your entire collection of camera lenses.\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 DSLR-2\" Filter Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts sole purpose is to allow you to attach standard 2-inch astronomical filters, which use an M48 thread, to the front of a standard DSLR or mirrorless camera lens. This lets you use high-grade astronomical filters for wide-field astrophotography without a telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach the Baader M48\/SP54 Filter Holder to my specific camera lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFirst, identify the filter thread size of your camera lens (e.g., 52mm, 58mm, 62mm), which is usually printed on the front of the lens. You will then need the corresponding \u003cstrong\u003eoptional Baader SP54 adapter ring\u003c\/strong\u003e (e.g., SP54\/M52). The adapter ring threads onto your lens, and the DSLR-2\" Filter Holder then threads onto the adapter ring. Finally, your 2\" M48 filter threads into the holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Baader DSLR-2\" Filter Holder cause vignetting with my wide-angle lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe holder is designed with a \u003cstrong\u003e46mm clear aperture\u003c\/strong\u003e to be as unrestrictive as possible and works well with many lenses. However, some vignetting can still occur, especially with ultra-wide-angle lenses used at their fastest apertures. The degree of vignetting depends on the specific lens design and focal length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Baader Filter Holder to image the North American Nebula (NGC 7000) with a DSLR?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an ideal application. By attaching a 2\" H-alpha or dual-band nebula filter to your camera lens using this holder, you can capture the vast expanse of targets like the North American Nebula (NGC 7000) or the Andromeda Galaxy (M31) in a single frame, revealing details that are normally invisible to an unmodified camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the M48 and SP54 designations on the Baader Filter Holder mean?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese refer to the thread standards the adapter connects:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM48:\u003c\/strong\u003e This is the standard metric thread (48mm x 0.75mm pitch) used on virtually all 2\" astronomical filters. The holder has female M48 threads to accept these filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSP54:\u003c\/strong\u003e This is a 54mm thread that Baader uses as a versatile intermediate connection. The holder has female SP54 threads that accept various optional step-down rings to match different camera lens threads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre the lens adapter rings (e.g., SP54\/M52) included with the Baader DSLR-2\" Filter Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Baader DSLR-2\" Filter Holder (#2408166) is the central component only. The specific adapter ring needed to match your camera lens's filter thread must be purchased separately.\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\u003e0.01\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\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eExpanding Adapter, Filter holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsage\u003c\/td\u003e\n\u003ctd\u003eto mount our 2\" filters on any DSLR camera lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eM48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eSP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003e2\"\/SCT Thread (50.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdaptable to\u003c\/td\u003e\n\u003ctd\u003eDSLR camera-lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapters Family\u003c\/td\u003e\n\u003ctd\u003eSP54 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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Hyperion_Eyepieces_Application_Examples.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\"\u003eBaader Planetarium Hyperion Eyepieces Application Examples\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Digiscoping_Camera_Adaptations_Manual.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\"\u003eBaader Planetarium Digiscoping Camera Adaptations Manual\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 Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":44967306527005,"sku":"BAA-2408166","price":40.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-DSLR-2-inch-Filter-Holder-M48-SP54-1__68176.1597110567.1280.1280.jpg?v=1684340286"},{"product_id":"baader-ufc-aux-mounted-filter-holder-1-25-requires-ufc-rd50","title":"Baader UFC AUX Mounted Filter-Holder - 1.25\" (requires UFC-RD50)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds standard 1.25\" threaded filters\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader Universal Filter Changer (UFC) system\u003c\/li\u003e\n\u003cli\u003eMounts inside the UFC-RD50 Filter Slider\u003c\/li\u003e\n\u003cli\u003eEnables quick, thread-free filter swaps\u003c\/li\u003e\n\u003cli\u003eMaintains a secure, repeatable optical path\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\u003eBaader UFC AUX Mounted Filter-Holder - 1.25\" (requires UFC-RD50)\u003c\/h2\u003e\n\u003cp\u003eThe Baader UFC AUX Mounted Filter-Holder provides a dedicated mounting solution for standard 1.25\" threaded filters within the modular Baader Universal Filter Changer system. This holder is designed exclusively for use with the Baader UFC-RD50 Filter Slider (#2459113), which is a required component for its operation.\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 Dedicated 1.25\" Holder for the UFC-RD50 Slider\u003c\/h3\u003e\n\u003cp\u003eThis component allows you to securely install a single 1.25\" filter into a UFC-RD50 slider. By equipping multiple sliders with these holders, you can pre-load your entire filter collection—such as LRGB or narrowband sets—and swap them into your imaging train in seconds without fumbling with threads in the dark. This holder is the key to integrating 1.25\" filters into the UFC quick-change workflow.\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 Baader UFC System\u003c\/h3\u003e\n\u003cp\u003eThe Baader UFC system is an infinitely adaptable solution for connecting cameras, telescopes, and accessories while managing filtration. This 1.25\" filter holder is a crucial piece of that ecosystem, ensuring your filters are held rigidly and precisely within the optical path. Its function is simple but essential: it adapts the UFC-RD50 slider for use with the industry's most common filter format, maintaining the system's goal of a solid, low-profile, and versatile connection.\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 Baader UFC 1.25\" AUX Filter-Holder for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis holder is designed to securely mount a standard 1.25\" threaded filter inside a \u003cstrong\u003eBaader UFC-RD50 Filter Slider (#2459113)\u003c\/strong\u003e. It allows you to use 1.25\" filters within Baader's Universal Filter Changer system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need any other parts to use this 1.25\" UFC Filter-Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, this part is not usable on its own.\u003c\/strong\u003e You must have the Baader UFC-RD50 Filter Slider, as this holder is designed to be installed inside of it. The slider and the rest of the UFC base system are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Baader UFC 1.25\" Filter-Holder to quickly switch between an L-Pro and a UHC filter on my SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The intended workflow is to purchase two UFC-RD50 sliders and two of these 1.25\" holders. You can then pre-install your L-Pro filter in one slider assembly and the UHC in the other, allowing you to swap them at the telescope in just a few seconds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this Baader UFC filter holder work with 2\" or unmounted 50mm filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this specific holder is only for threaded 1.25\" filters. Baader makes other dedicated holders and sliders for different filter sizes, such as 2\" and unmounted 50.4mm or 50x50mm filters, as part of the modular UFC system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm building a lightweight imaging train for my RedCat 51. Is this Baader 1.25\" holder part of a low-profile system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the entire Baader UFC system is engineered to add minimal back-focus and maintain a rigid, compact connection between your camera and telescope. This 1.25\" holder is a key component for integrating filters into that low-profile setup, making it an excellent choice for systems where back-focus is critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader 1.25\" AUX Filter-Holder attach?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is secured inside the Baader UFC-RD50 Filter Slider. It does not attach directly to a camera, focuser, or telescope on its own; it is an internal component for the filter slider.\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\u003e0.01\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":44967309508893,"sku":"BAA-2459153","price":17.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-UFC-AUX-Mounted-Filter-Holder-1-25-inch-requires-UFC-RD50-1__58477.1597110637.1280.1280.jpg?v=1684340321"},{"product_id":"baader-ufc-aux-filter-holder-d-31mm-requires-ufc-rd50","title":"Baader UFC AUX Filter-Holder - D 31mm (requires UFC-RD50)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for 31mm Unmounted Filters\u003c\/li\u003e\n\u003cli\u003eIntegrates with the Baader UFC-RD50 Filter Slider\u003c\/li\u003e\n\u003cli\u003eEnables Dual-Filter Stacking in the UFC System\u003c\/li\u003e\n\u003cli\u003eComponent of the Baader Universal Filter Changer Ecosystem\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\u003eBaader UFC AUX Filter-Holder - D 31mm (requires UFC-RD50)\u003c\/h2\u003e\n\u003cp\u003eThe Baader UFC AUX Filter-Holder is designed to secure a 31mm unmounted filter inside the Baader UFC-RD50 Filter Slider (#2459113). This component is a specialized adapter that enables dual-filter configurations within a single optical path, adding significant flexibility to the Baader Universal Filter Changer (UFC) system.\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\u003eFor the UFC-RD50 Slider: Integrating a 31mm Filter\u003c\/h3\u003e\n\u003cp\u003eThis holder does not function as a standalone component; it is engineered exclusively to nest inside the larger UFC-RD50 filter slider. The RD50 slider is intended for 50.4mm round filters, and this AUX holder allows you to securely mount a smaller, 31mm unmounted filter within that same slider, expanding its capabilities beyond its primary format.\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\u003eDual-Filter Imaging: Stacking Filters in a Single Path\u003c\/h3\u003e\n\u003cp\u003eThe primary application for the UFC AUX 31mm holder is to stack two filters in the optical path. This is particularly useful for imagers who wish to combine a 31mm filter, such as a UV\/IR cut or a specific narrowband filter, with a primary 50.4mm filter housed in the main slot of the UFC-RD50 slider. This configuration allows for advanced imaging techniques without the need for a second filter wheel or slider.\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 purpose of the Baader UFC AUX Filter-Holder for 31mm filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts sole purpose is to allow you to mount a \u003cstrong\u003e31mm unmounted filter\u003c\/strong\u003e inside of a \u003cstrong\u003eBaader UFC-RD50 Filter Slider\u003c\/strong\u003e. This enables you to use smaller filters or create stacked filter combinations within the larger Baader UFC system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the 31mm UFC AUX Filter-Holder without the UFC-RD50 slider?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This holder is not a standalone part and has no threads of its own. It is designed specifically to fit inside the machined receptacle of the Baader UFC-RD50 Filter Slider (#2459113) and cannot be used with any other component.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the UFC AUX holder work with mounted 1.25\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This holder is precisely machined for \u003cstrong\u003e31mm unmounted glass filters\u003c\/strong\u003e only. Standard 1.25\" filters are housed in threaded cells and will not fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the UFC AUX 31mm holder when imaging the Rosette Nebula (NGC 2244) with a monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA common technique is to place a \u003cstrong\u003e31mm unmounted UV\/IR Cut filter\u003c\/strong\u003e in this AUX holder. You would then place your primary \u003cstrong\u003e50.4mm H-alpha filter\u003c\/strong\u003e in the main slot of the UFC-RD50 slider. This stack ensures clean, high-contrast data by capturing the nebula's specific emission line while blocking unfocused infrared light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI use a one-shot-color camera with an f\/5 Newtonian. Can I use the UFC AUX 31mm holder to add a light pollution filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an excellent use case. If you have a \u003cstrong\u003e31mm unmounted light pollution filter\u003c\/strong\u003e (such as a UHC or multi-bandpass filter), you can install it in this holder within your UFC-RD50 slider. This allows you to add powerful light pollution suppression to your imaging train without needing to purchase a larger, more expensive 50mm filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhere does the UFC AUX 31mm holder fit into the overall Baader UFC system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThink of it as an accessory for an accessory. It fits \u003cstrong\u003einside\u003c\/strong\u003e the UFC-RD50 slider, which in turn slides \u003cstrong\u003einto\u003c\/strong\u003e the main UFC Base (#2459110). It is a modular component designed to add another layer of filtering flexibility to your existing UFC setup.\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\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e31mm, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eRequires Baader UFC-RD50 Filter Slider (#2459113)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\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\"\u003eThis product listing is for the UFC AUX Filter-Holder only. Required components are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\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":44967309607197,"sku":"BAA-2459151","price":17.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-UFC-AUX-Filter-Holder-D-31mm-requires-UFC-RD50-1__49933.1597110640.1280.1280.jpg?v=1684340338"},{"product_id":"baader-ufc-aux-filter-holder-d-36mm-requires-ufc-rd50","title":"Baader UFC AUX Filter-Holder - D 36mm (requires UFC-RD50)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds one 36mm unmounted filter\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader UFC System\u003c\/li\u003e\n\u003cli\u003eRequires the UFC-RD50 Filter Slider (#2459113)\u003c\/li\u003e\n\u003cli\u003eEnables rapid filter changes in the field\u003c\/li\u003e\n\u003cli\u003eIdeal for creating a pre-loaded filter library\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\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\u003eBaader UFC AUX Filter-Holder - D 36mm (requires UFC-RD50)\u003c\/h2\u003e\n      \u003cp\u003eThe Baader UFC AUX Filter-Holder is designed as a spare or additional holder for a single 36mm unmounted filter within Baader's Universal Filter Changer (UFC) system. This holder requires the corresponding Baader UFC-RD50 filter slider to function, allowing you to prepare multiple filters for quick exchanges during an imaging session.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePrepare Your 36mm Filters with an Extra UFC-RD50 Holder\u003c\/h3\u003e\n      \u003cp\u003eThe primary function of the UFC AUX Filter-Holder is to streamline your imaging workflow. By purchasing multiple holders, you can pre-load each of your 36mm LRGB or narrowband filters, keeping them safe and ready for immediate use. This eliminates the need to handle filters or small mounting screws in the dark, reducing the risk of drops or contamination.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eField Swapping:\u003c\/strong\u003e Simply slide one holder out of the UFC-RD50 slider and insert the next. This makes it fast and efficient to cycle through different filters for multi-channel imaging projects.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e Provides a dedicated, secure housing for your unmounted 36mm filters, protecting them from damage when not in the optical path.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSystem Modularity:\u003c\/strong\u003e As a component of the Baader UFC ecosystem, this holder ensures perfect compatibility and spacing when used with the required UFC-RD50 slider.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Baader UFC AUX D 36mm Filter-Holder used for?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis is a spare or additional holder for a single 36mm unmounted filter. It is designed to be used with the \u003cstrong\u003eBaader UFC-RD50 Filter Slider (#2459113)\u003c\/strong\u003e. Its purpose is to allow you to have multiple filters pre-mounted and ready for quick swaps in the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this Baader UFC AUX D 36mm holder come with the UFC-RD50 slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. This product is only the auxiliary filter holder itself. You must purchase the \u003cstrong\u003eBaader UFC-RD50 Filter Slider\u003c\/strong\u003e separately to use it within the UFC system.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow many 36mm filters can I mount in one Baader UFC AUX holder?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eEach Baader UFC AUX D 36mm holder is designed to hold exactly one 36mm unmounted filter. To use multiple filters, you will need to purchase one holder for each filter you wish to have ready.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Baader UFC D 36mm holder to image the Horsehead Nebula (Barnard 33) with different narrowband filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, this is an ideal use case. You can purchase several of these holders to mount your H-alpha, S-II, and O-III 36mm filters. This allows you to quickly swap between them using the UFC-RD50 slider, minimizing downtime while capturing data for a color composite image.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Baader UFC AUX holder work with my 8\" f\/4 Newtonian and the UFC system?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, as long as you have the complete Baader UFC system configured for your telescope's backfocus, this holder will work. Its function is dependent on the \u003cstrong\u003eUFC-RD50 slider\u003c\/strong\u003e, not the telescope type. The UFC system itself is designed to be adaptable to nearly any telescope, including f\/4 Newtonians.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I buy this Baader UFC AUX holder instead of just using the one that came with my slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe key benefit is efficiency. Owning multiple holders allows you to create a library of pre-mounted filters. Instead of stopping your imaging session to unscrew and swap a filter in the dark, you can simply pull out the entire slider\/holder assembly and insert the next one in seconds.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\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\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\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":44967309639965,"sku":"BAA-2459152","price":17.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-UFC-AUX-Filter-Holder-D-36mm-requires-UFC-RD50-1__65691.1597110641.1280.1280.jpg?v=1684340342"},{"product_id":"baader-ufc-straylight-shield","title":"Baader UFC Straylight Shield","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eBlocks stray light when using the Baader UFC filter system with camera lenses\u003c\/li\u003e\n\u003cli\u003ePrevents internal reflections and gradients on long exposures\u003c\/li\u003e\n\u003cli\u003eEnsures maximum image contrast for wide-field astrophotography\u003c\/li\u003e\n\u003cli\u003eIncludes the necessary mounting plate for the UFC Base (#2459110)\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\u003eBaader UFC Straylight Shield\u003c\/h2\u003e\n\u003cp\u003eThe Baader UFC Straylight Shield is the essential component for adapting the Universal Filter Changer (UFC) system for use with camera lenses. It is specifically engineered to close the physical gap between the front of the UFC Base and the rear of a lens, eliminating the path for off-axis stray light to enter the optical train. This prevents unwanted gradients, reflections, and loss of contrast during long exposures, ensuring a clean, dark background for wide-field 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\u003eEliminate Reflections for UFC Camera Lens Imaging\u003c\/h3\u003e\n\u003cp\u003eWhen assembling a wide-field imaging train with a camera lens and the Baader UFC, the modular nature of the system can leave small gaps that are vulnerable to stray light from the moon or local light pollution. The UFC Straylight Shield creates a light-tight enclosure around this critical junction. By blocking internal reflections before they can reach the sensor, it preserves the faint details in nebulae and galaxies, turning a modular filter system into a seamless imaging tool.\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 purpose of the Baader UFC Straylight Shield?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Baader UFC Straylight Shield is designed to block ambient light from entering the optical path between a camera lens and the Baader Universal Filter Changer (UFC) base. This prevents reflections, light gradients, and reduced contrast in your final images, which is critical for long-exposure astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen do I need the Baader UFC Straylight Shield?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou need this shield specifically when you are mounting the Baader UFC system directly to a camera lens for wide-field imaging. It is not required for configurations where the UFC is attached directly to a telescope's threaded focuser, which already provides a light-tight connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Baader UFC Straylight Shield help when imaging a faint nebula like the North American Nebula (NGC 7000) with a camera lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. When capturing faint, extended objects like the North American Nebula (NGC 7000), long exposures are necessary. The Straylight Shield is crucial in this scenario to protect your image from being washed out by moonlight or local light pollution, ensuring the faint nebulosity is captured with maximum contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader UFC Straylight Shield attach to the system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe shield comes with an integrated mounting plate that attaches directly to the Baader UFC Base (#2459110). This creates a secure, light-proof housing around the filter changer assembly, seamlessly integrating it with your camera lens adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm getting weird reflections when using my Baader UFC with a 135mm camera lens. Is this the solution?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is the most likely solution. Reflections and odd gradients when using a camera lens with a filter system are almost always caused by stray light entering the system between the lens and the filter. The Baader UFC Straylight Shield is designed precisely to solve this problem for your 135mm lens setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader UFC Straylight Shield compatible with telescope-side UFC configurations?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this shield is specifically designed for camera-lens-side applications. When the UFC is connected to a telescope focuser, the adapters create a sealed, light-tight path, and this shield is not necessary.\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\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e89\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\u003e2\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\"\u003eBaader UFC Straylight Shield with Mounting Plate\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\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Universal_Filter_Changer_UFC_Technical_Drawings.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\"\u003eBaader Planetarium Universal Filter Changer UFC Technical Drawings\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":44967311835421,"sku":"BAA-2459121","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-UFC-Straylight-Shield-1__84073.1597110659.1280.1280.jpg?v=1684340400"},{"product_id":"baader-double-t-filterholder-1-25","title":"Baader Double T-Filterholder - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds two standard 1.25\" filters\u003c\/li\u003e\n\u003cli\u003eEnables rapid switching between filters\u003c\/li\u003e\n\u003cli\u003eT-2 (M42x0.75) threads on both sides\u003c\/li\u003e\n\u003cli\u003eMinimal back focus consumption\u003c\/li\u003e\n\u003cli\u003eIdeal for visual comparison or simple imaging sequences\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\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\u003eBaader Double T-Filterholder - 1.25\"\u003c\/h2\u003e\n      \u003cp\u003eThe Baader Double T-Filterholder provides a simple, robust solution for instantly switching between two standard 1¼\" (1.25\") filters without altering your imaging or visual train. This component is engineered for observers and imagers who need to perform direct A\/B comparisons or execute simple two-filter sequences with maximum speed and minimal complexity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eInstant A\/B Comparison for Two 1.25\" Filters\u003c\/h3\u003e\n      \u003cp\u003eThe core function of this holder is to place two 1.25\" filters side-by-side in a sliding mechanism. This allows you to move from one filter to the other in less than a second, providing a near-instantaneous comparison that is impossible to achieve by manually unthreading filters in the dark.\u003c\/p\u003e\n      \u003cp\u003eFor visual observers, this is invaluable for determining the ideal filter for a specific nebula under current sky conditions—for example, switching between an O-III and a UHC filter on the Veil Nebula (NGC 6960). For planetary imagers, it enables rapid sequences, such as capturing a luminance channel followed immediately by a color or IR-pass filter, minimizing the impact of atmospheric turbulence between captures.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eT-2 System Integration for a Secure, Low-Profile Connection\u003c\/h3\u003e\n      \u003cp\u003eDesigned as part of the Baader T-2 Astro System, the Double T-Filterholder features standard T-2 (M42x0.75) female threads on one side and male threads on the other. This ensures direct, secure integration into virtually any established imaging train, connecting between a camera nosepiece, off-axis guider, or focal reducer without flexure.\u003c\/p\u003e\n      \u003cp\u003eIts slim profile is engineered to consume minimal back focus, making it a viable option for optical systems with tight spacing requirements, such as those using coma correctors or reducers. The all-metal construction ensures rigidity and precise alignment of the optical axis.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eBaader Double Filter Holder vs. a Filter Wheel: Simplicity vs. Capacity\u003c\/h3\u003e\n      \u003cp\u003eWhile a motorized filter wheel offers automated access to five or more filters, the Baader Double T-Filterholder serves a different purpose focused on speed and simplicity. It is an excellent choice when your workflow only requires two filters and you want to avoid the weight, power requirements, and software complexity of a full filter wheel.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eChoose the Double Holder if:\u003c\/strong\u003e Your primary goal is quick visual comparison, you image with a monochrome camera and a single filter (e.g., L+Ha), or you prioritize a lightweight, manual, and travel-friendly setup.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eChoose a Filter Wheel if:\u003c\/strong\u003e You need to perform automated LRGB or narrowband sequences, require more than two filters for a session, and are operating within a fully software-controlled imaging rig.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow can the Baader Double T-Filterholder improve my views of the Orion Nebula (M42)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou can install two different nebula filters, such as a broadband \u003cstrong\u003eUHC filter\u003c\/strong\u003e and a narrowband \u003cstrong\u003eO-III filter\u003c\/strong\u003e. The UHC will reveal the full extent of the nebula's faint outer loops, while a quick slide to the O-III filter will dramatically increase contrast in the bright core around the Trapezium. This lets you study different structures within M42 in real-time without interrupting your observation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader Double T-Filterholder practical for planetary imaging with a monochrome camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, it is highly effective. You can mount a \u003cstrong\u003eLuminance (IR-Cut) filter\u003c\/strong\u003e in one slot and an \u003cstrong\u003eIR-Pass filter\u003c\/strong\u003e in the other. This allows you to capture a sharp, high-detail luminance channel and then immediately switch to the IR-pass filter, which helps stabilize the image in turbulent seeing, all without refocusing or disassembling your camera setup.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat threads does the Baader Double T-Filterholder use for connection?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe holder uses the standard \u003cstrong\u003eT-2 thread system\u003c\/strong\u003e, which is M42x0.75. It has female T-2 threads on the telescope side and male T-2 threads on the camera side, allowing it to be inserted directly into common imaging trains.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this 1.25\" filter holder cause vignetting with my camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWith cameras that have small to medium sensors (up to approximately APS-C size, depending on the telescope's focal ratio), vignetting is typically not an issue. However, with full-frame (24x36mm) sensors, a 1.25\" filter will almost always cause significant vignetting. For full-frame sensors, a 2-inch filter solution is recommended.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader Double T-Filterholder difficult to use in the dark?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, it is designed for tactile use. The slider has a distinct stop at each filter position, so you can feel when it is correctly aligned without needing to look. This makes it very easy to switch between filters even on the darkest nights.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" filters with the Baader Double T-Filterholder?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this model is designed exclusively for standard \u003cstrong\u003e1.25\" (M28.5 thread) filters\u003c\/strong\u003e. Baader Planetarium offers different solutions for 2\" filters.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c!-- No specification data available --\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eAstro T-2, Baader Planetarium, Celestron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eFilter holder, Same-Thread Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT-2 Part #\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eM28.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75 (T-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eM28.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75 (T-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdaptable to\u003c\/td\u003e\n\u003ctd\u003eSBIG CCD-Cameras, CFW-8 color filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapters Family\u003c\/td\u003e\n\u003ctd\u003eT-2 System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003c!-- No \"What's in the box\" data available --\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Cleaning_and_Maintenance_of_Optics_Manual.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\"\u003eBaader Planetarium Cleaning and Maintenance of Optics Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Astro_T-2_System_Connections_Overview.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\"\u003eBaader Planetarium Astro T-2 System Connections Overview\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_Astro_T-2_System_Parts_List.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\"\u003eBaader Planetarium Astro T-2 System Parts List\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\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":44967346045213,"sku":"BAA-1508030","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Baader-Double-T-Filterholder-1-25-inch-1__66071.1597110885.1280.1280.jpg?v=1684340927"},{"product_id":"baader-stackable-filter-box","title":"Baader Stackable Filter Box","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eModular, interlocking design\u003c\/li\u003e\n\u003cli\u003eConnects vertically and horizontally\u003c\/li\u003e\n\u003cli\u003eIndividual drawer for each filter\u003c\/li\u003e\n\u003cli\u003eFront-facing space for labeling\u003c\/li\u003e\n\u003cli\u003eCreates a sturdy, unified storage block\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\u003eBaader Stackable Filter Box\u003c\/h2\u003e\n\u003cp\u003eThe Baader Stackable Filter Box offers a modular, expandable solution for protecting and organizing your individual astronomy filters. These purpose-built boxes can be attached both laterally and vertically, allowing you to create a completely custom and sturdy storage unit tailored to your exact filter collection.\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 Secure, Infinitely Expandable Storage System\u003c\/h3\u003e\n\u003cp\u003eUnlike fixed cases, the Baader filter box system grows with your collection. Each box securely interlocks with its neighbors, forming a rigid, unified block that prevents your valuable filters from shifting during transport. This allows you to build a storage solution for three filters or thirty, ensuring every piece of glass has a secure home.\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\u003eIndividual Drawers for At-a-Glance Filter Identification\u003c\/h3\u003e\n\u003cp\u003eEach Baader Stackable Filter Box houses a single filter in its own dedicated drawer, preventing contact and potential damage. The front of each box is designed to be characterized with the filter's name, number, or size, so you can identify and retrieve the exact filter you need in seconds, even in low-light conditions at the telescope.\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\"\u003eHow do Baader Stackable Filter Boxes connect to each other?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe boxes are designed to interlock. You can attach them both \u003cstrong\u003elaterally (side-by-side)\u003c\/strong\u003e and \u003cstrong\u003evertically (one on top of the other)\u003c\/strong\u003e to create a stable, multi-unit block that fits your specific needs and storage space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs each Baader Stackable Filter Box for one filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The system is designed around the principle of one box per filter. Each filter gets its own protective drawer, ensuring it is isolated from others and easy to access individually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the Baader Stackable Filter Box system over a standard multi-filter case?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is \u003cstrong\u003emodularity\u003c\/strong\u003e. You buy only as many boxes as you need, and you can arrange them in any configuration. This is ideal for imagers whose filter collections change over time, as you can simply add a new box for a new filter without replacing your entire storage case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I label the filters in the Baader Stackable Filter Box?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe front face of each box is designed to be labeled. You can write or apply a sticker with the filter's details (e.g., \"H-alpha,\" \"OIII,\" \"1.25-inch\") for quick and easy identification in the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader Stackable Filter Box system good for mobile observing setups?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Once connected, the boxes form a sturdy, single unit that is excellent for transport. You can create a compact block of your most-used filters—for example, an LRGB set plus a narrowband filter—that fits easily into your accessory case for a night of imaging at a dark-sky site.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I mix and match different sizes of Baader Stackable Filter Boxes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe system is designed for boxes of the same size to interlock and form a cohesive unit. The ability to connect boxes made for different filter diameters would depend on their external dimensions being compatible.\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\u003e0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\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":44967359414557,"sku":"BAA-2459253","price":11.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-Stackable-Filter-Box-1__15218.1597110972.1280.1280.jpg?v=1684341043"},{"product_id":"zwo-filter-masks","title":"ZWO Filter Masks","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSecurely Mounts 36mm Unmounted Filters\u003c\/li\u003e\n\u003cli\u003eCompatible with All 7-Position ZWO 36mm EFWs\u003c\/li\u003e\n\u003cli\u003eIncludes M2 Mounting Screws\u003c\/li\u003e\n\u003cli\u003ePrevents Internal Light Leaks\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\u003eZWO Filter Mask for 7x36 EFW\u003c\/h2\u003e\n\u003cp\u003eThis ZWO Filter Mask set provides the essential hardware for securely installing unmounted 36mm filters into any generation of the ZWO 7-position electronic filter wheel. The kit includes 10 individual masks and all necessary M2 screws, ensuring a firm, light-tight fit that prevents stray light from bypassing the filter and reflecting within the optical train. These masks are direct replacements, identical to the hardware included with the original filter wheel.\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\u003eInstallation in 3 Steps\u003c\/h3\u003e\n\u003cp\u003eReplacing or installing filters with these masks is a straightforward process. You only need to remove the filter wheel's back cover, place your 36mm filters into their respective slots, and then use the included masks and M2 screws to lock them into position. This design ensures the filters remain perfectly seated and centered in the light path during rotation.\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\u003eFull Compatibility with All 7x36 EFW Models\u003c\/h3\u003e\n\u003cp\u003eThese filter masks are confirmed to be compatible with every version of the 7-position, 36mm ZWO Electronic Filter Wheel. Whether you have the first generation, the EFW II, or the current 2025 revision, this mask set will fit perfectly. This universal compatibility makes it the correct choice for any user needing to replace lost parts or wanting a spare set on hand for quick filter changes in the field.\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 purpose of the ZWO Filter Mask for 7x36 EFW?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary purpose of these masks is to securely hold 36mm unmounted filters inside the ZWO 7-position electronic filter wheel. They press the filter against the carousel, preventing it from shifting or tilting, and block stray light from leaking around the edges of the filter, which is critical for maintaining high-contrast images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre these masks compatible with the ZWO 5-position filter wheels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This mask set is specifically designed for the ZWO 7x36 EFW (7-position, 36mm) models only. They will not fit the carousels for 5-position wheels or wheels designed for different filter sizes like 1.25\" or 2\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow many filters can I install with one ZWO Filter Mask set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe package includes enough masks and M2 screws to install a full carousel of seven filters in your ZWO 7x36 EFW, with spares left over. This is useful in case a screw or mask is lost during installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI lost the screws for my ZWO 7x36 EFW. Does this kit include them?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this kit includes a full set of the M2 screws required to attach the masks to the filter wheel carousel. You will not need to source any additional hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen switching from LRGB to narrowband filters in my ZWO 7x36 EFW, do I need new masks?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou do not need new masks if your original ones are in good condition. However, having this spare set is highly recommended. It allows you to pre-mount your narrowband filters on the spare masks, making the physical swap much faster and reducing the risk of dropping a tiny screw in the dark while working on your imaging rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill these masks work with filters from brands other than ZWO in my 7x36 EFW?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, as long as the filters are standard 36mm unmounted filters, these masks will provide a secure fit regardless of the filter manufacturer. They are designed to hold the filter by its edge, accommodating minor thickness variations between brands.\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\u003eSKU Number\u003c\/td\u003e\n\u003ctd\u003eZWO-EFW-7-MASKS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eZWO EFW-7-MASKS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFilter Wheel Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eZWO 7x36mm Electronic Filter Wheels (All Generations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eZWO - 2 Years\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\"\u003eZWO 7-Position 36 mm EFW Filter Masks\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eM2 Screws\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"For EFW7x36mm","offer_id":44967439597853,"sku":"ZWO-EFW-7-MASKS","price":21.0,"currency_code":"CAD","in_stock":true},{"title":"For EFW8x31mm","offer_id":44967439630621,"sku":"ZWO-EFW-8-MASKS","price":21.0,"currency_code":"CAD","in_stock":true},{"title":"For EFWMINI","offer_id":44967439663389,"sku":"ZWO-EFW-5-MASKS","price":17.0,"currency_code":"CAD","in_stock":true},{"title":"For EFW 7 x 2\"","offer_id":48504456741149,"sku":"ZWO-EFW-2-MASKS","price":21.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Masks-1__39812.1596910056.1280.1280.jpg?v=1684341989"},{"product_id":"zwo-t2-1-25-filter-adapter","title":"ZWO T2-1.25\" Filter Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects M42 (T2) threaded cameras to 1.25\" filters\u003c\/li\u003e\n\u003cli\u003eAdds only 1 mm of optical length to the imaging train\u003c\/li\u003e\n\u003cli\u003eMaintains critical back focus for correctors and reducers\u003c\/li\u003e\n\u003cli\u003eSecure threaded connection prevents tilt and flexure\u003c\/li\u003e\n\u003cli\u003eLightweight, black-anodized aluminum construction\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\u003eZWO T2 to 1.25\" Filter Adapter\u003c\/h2\u003e\n\u003cp\u003eThe ZWO T2 to 1.25\" Filter Adapter adds standard 1.25\" filter capability to any M42 T-threaded camera using just 1 mm of back focus. This low-profile solution is the most direct way to mount a single 1.25\" filter for planetary imaging or guiding without the bulk of a filter wheel.\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\u003eMinimal Optical Path: Just 1 mm\u003c\/h3\u003e\n\u003cp\u003eConsuming only 1 mm of your available back focus, this adapter is essential for complex imaging trains. When using a focal reducer or field flattener that demands precise sensor spacing, adding a filter without this adapter can be impossible. Its ultra-thin design allows you to add a UV\/IR cut, narrowband, or LRGB filter without having to reconfigure your entire optical setup.\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\u003eSecure M42 Connection for 1.25\" Filters\u003c\/h3\u003e\n\u003cp\u003eA threaded connection is superior to slip-fit nosepieces for mounting filters. The adapter's M42 threads screw directly onto your camera body, creating a rigid, flex-free junction that prevents optical tilt. This ensures your sensor and filter remain perfectly parallel to the light path, a critical factor for maintaining a flat field and sharp stars corner-to-corner.\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\"\u003eHow does the ZWO T2-1.25\" Adapter affect my back focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter is 3 mm thick, but because it threads into the camera or adapter it adds only \u003cstrong\u003e1 mm\u003c\/strong\u003e of length to your imaging train. This is a minimal distance designed to preserve the critical back focus required by most optical correctors like field flatteners or coma correctors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this ZWO adapter work with non-ZWO cameras and filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The adapter uses the universal \u003cstrong\u003eM42 (T2)\u003c\/strong\u003e thread standard on the camera side and accepts any standard \u003cstrong\u003e1.25\"\u003c\/strong\u003e astronomy filter. It is compatible with any T-threaded astronomy camera and any brand of 1.25\" filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO T2-1.25\" Adapter with a filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this adapter is designed as an alternative to a filter wheel for single-filter applications. It threads inside an adapter, often the 11mm T2 extender, so the 1.25\" filter sits inside the optical train near the sensor, which prevents vignetting. It is ideal for monochrome guide cameras or for color cameras where you only need to add a single light pollution or UV\/IR cut filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of this adapter over a 1.25\" nosepiece with filter threads?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is rigidity. A direct \u003cstrong\u003eM42 thread\u003c\/strong\u003e connection prevents the tilt and sag that can occur with a nosepiece held in place by thumbscrews. This secure, parallel connection is crucial for avoiding image degradation, especially with sensitive optical systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO T2-1.25\" Adapter a good choice for adding a UV\/IR cut filter to my ASI178MC for lunar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. For planetary, lunar, or solar imaging with a one-shot-color camera like the ASI178MC, adding a single UV\/IR cut filter is critical for sharp focus. This 1 mm adapter provides the most secure and lowest-profile method to do so without altering your setup significantly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I tighten the ZWO T2-1.25\" Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter has four small holes on its face. While it can often be tightened by hand, if you need extra leverage, you can use a spanner wrench or the tips of a small pair of needle-nose pliers inserted into two opposing holes to gently secure it to your camera body.\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\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-T2-1.25-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Connector\u003c\/td\u003e\n\u003ctd\u003eM42 (T2) Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Side Connector\u003c\/td\u003e\n\u003ctd\u003e1.25\" Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Length\u003c\/td\u003e\n\u003ctd\u003e1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Thickness\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 Years\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\"\u003eT2 to 1.25\" Filter Adapter\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\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Manufacturer Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967447298333,"sku":"ZWO-T2-1.25-3","price":22.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-T2-1-25-inch-Filter-Adapter.jpg?v=1742409805"},{"product_id":"zwo-filter-holder-v2","title":"ZWO Filter Holder V2","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds standard 2-inch (50.8mm) mounted filters\u003c\/li\u003e\n\u003cli\u003eM48x0.75 internal threads for secure filter mounting\u003c\/li\u003e\n\u003cli\u003eEnables pre-loading multiple filters for rapid field changes\u003c\/li\u003e\n\u003cli\u003eDesigned exclusively for ZWO Gen 2 filter drawers\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\u003eZWO 2\" Filter Holder (Gen 2)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO 2\" Filter Holder (Gen 2) is the essential accessory for any imager using ZWO's second-generation filter drawers, allowing you to pre-load every 2-inch (50.8mm) filter in your collection for immediate use. Each holder features standard M48x0.75 threads to secure your round mounted filters, eliminating the need to thread and unthread them in the dark. This system streamlines your imaging workflow by turning a multi-filter session into a simple slide-and-click process, backed by a 2-year warranty.\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\u003eStreamline Filter Changes with Pre-Loaded 2\" Holders\u003c\/h3\u003e\n\u003cp\u003eStop fumbling with threaded filters in the dark. By purchasing individual ZWO Gen 2 holders, you can assign one to each of your 2-inch (50.8mm) filters. This allows you to prepare your entire filter set before an imaging session begins. When it's time to switch from a light pollution filter to a narrowband filter, you simply eject one holder and slide the next one in, saving valuable imaging time and reducing the risk of dropping a filter.\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\u003eCritical Compatibility for Gen 2 ZWO Drawers\u003c\/h3\u003e\n\u003cp\u003eThis filter holder is specifically engineered for ZWO's second-generation filter drawer systems. It is crucial to verify your drawer model before purchasing, as this holder is not backward-compatible with any first-generation ZWO filter drawers. Secure and precise seating is guaranteed only with the correct generation hardware.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e ZWO Gen 2 M42\/M48 Filter Drawer, ZWO Gen 2 M54 Filter Drawer, ZWO Filter Drawer for Canon EOS lenses, and ZWO Filter Drawer for Nikon lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Compatible With:\u003c\/strong\u003e Any first-generation ZWO M42, M48, or M54 filter drawers.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eWill this ZWO Gen 2 Filter Holder fit my original ZWO M42 filter drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This is a critical point of compatibility. The Gen 2 holder is designed with different tolerances and will \u003cstrong\u003enot\u003c\/strong\u003e fit or function correctly in any of the first-generation ZWO filter drawers. You must have a Gen 2 M42\/M48, Gen 2 M54, EOS, or Nikon filter drawer to use this holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size filters does the ZWO 2\" Filter Holder accommodate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis holder is designed for standard mounted \u003cstrong\u003e2-inch (50.8mm) round filters\u003c\/strong\u003e. It uses the standard M48x0.75 female thread to secure the filter into the holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ZWO Filter Holder system improve my imaging workflow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstead of unscrewing a filter from your imaging train and carefully screwing in another one in the dark, you can pre-load all your filters into individual holders. Swapping filters becomes a quick, tactile process of sliding one holder out and another in. This is especially useful for LRGB or narrowband imaging sequences where you change filters frequently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm imaging the Andromeda Galaxy (M31) with my Canon DSLR and ZWO EOS drawer. Can I use this holder to switch between my L-Pro and L-eNhance filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The ZWO Filter Drawer for Canon EOS lenses is a Gen 2 system, making this holder fully compatible. You can have your L-Pro in one holder and your L-eNhance in another, allowing you to switch between them in seconds without disturbing your camera setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre the threads on this ZWO Filter Holder standard for all 2\" astronomy filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The holder features internal \u003cstrong\u003eM48x0.75 threads\u003c\/strong\u003e, which is the industry standard for 2-inch mounted astronomy filters. Any standard, mounted 2-inch filter from any major brand should thread in without issue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have a ZWO ASI camera and a ZWO Gen 2 M54 filter drawer. Is this the correct spare holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This 2\" holder is the correct model for the ZWO Gen 2 M54 filter drawer. It is also the correct holder for the Gen 2 M42\/M48 model.\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\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-F-HLDR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size Compatibility\u003c\/td\u003e\n\u003ctd\u003e50.8mm (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Shape Compatibility\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eM48x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 Years\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\"\u003eZWO 2\" Gen 2 Filter Holder\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\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload ZWO Software\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\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967450968349,"sku":"ZWO-F-HLDR","price":49.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Holder-M42__74392.1645724872.1280.1280.jpg?v=1684342250"},{"product_id":"sbig-standard-cover-fw8-stxl","title":"SBIG Standard Cover FW8-STXL","description":"\u003c!-- more --\u003e\u003cdiv\u003eStandard front cover for STXL filter wheel – replaces the self-guiding front cover for use with camera lens adapters.\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967715340573,"sku":"DL-FW8-STXL-STD-COVER","price":520.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-Standard-Cover-FW8-STXL-1__73670.1600282397.1280.1280.jpg?v=1684345602"},{"product_id":"sbig-standard-cover-for-fw8-aluma","title":"SBIG Standard Cover for FW8-Aluma","description":"\u003c!-- more --\u003e\u003cdiv\u003eStandard front cover for Aluma filter wheel – replaces the self-guiding front cover when minimum back focus distance is needed.\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967715438877,"sku":"DL-FW8-ALUMA-STD-COVER","price":519.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-Standard-Cover-for-FW8-Aluma-1__85144.1656444239.1280.1280.jpg?v=1684345604"},{"product_id":"sbig-filter-inserts-36mm-to-1-25","title":"SBIG Filter Inserts 36mm to 1.25\"","description":"\u003c!-- more --\u003e\u003cdiv\u003eIndividual inserts that allow the use of 1.25″ filters in threaded cells to be used instead of 36mm unmounted filters in the FW8-8300 and FW8S-Aluma filter wheels. Also works with older STT and self-guided Aluma filter wheels. You can mix 1.25″ and 36mm filters in the same filter wheel carousel.\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967718355229,"sku":"DL-10105","price":72.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-Filter-Inserts-36mm-to-1-25-inch-1__40094.1600282408.1280.1280.jpg?v=1684345622"},{"product_id":"sbig-threaded-1-25-filter-cell-with-retainer-for-1-1-unmounted-filters","title":"SBIG Threaded 1.25\" Filter Cell with Retainer for 1.1\" Unmounted Filters","description":"\u003c!-- more --\u003e\u003cdiv\u003eThis is a 1.25″ screw-in filter cell for unmounted 1.1″ standard glass filters. The cell includes a retaining ring for holding the filter in place.\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967718420765,"sku":"DL-50045","price":65.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-Threaded-1-25-inch-Filter-Cell-with-Retainer-for-1-1-inch-Unmounted-Filters-1__96552.1600282409.1280.1280.jpg?v=1684345624"},{"product_id":"zwo-2-1-25-filter-adapter-ring","title":"ZWO 2\" to 1.25\" Filter Adapter Ring","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts 1.25\" mounted filters for use in 2\" filter holders\u003c\/li\u003e\n\u003cli\u003eCompatible with ZWO 5-position and 7-position 2\" filter wheels\u003c\/li\u003e\n\u003cli\u003eFits ZWO M42 and M54 filter drawers\u003c\/li\u003e\n\u003cli\u003eM48 male to 1.25\" female filter threading\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\u003eZWO 2\" to 1.25\" Filter Adapter Ring\u003c\/h2\u003e\n\u003cp\u003eThe ZWO 2\" to 1.25\" Filter Adapter Ring enables you to mount your standard 1.25\" filters into ZWO's 5-position and 7-position 2\" electronic filter wheels (EFW). This single adapter ring makes your existing filter sets compatible with a 2\" imaging train, saving you from having to immediately repurchase your entire collection.\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\u003eM48 to 1.25\" Filter Threading for 1.25\" Filter Integration\u003c\/h3\u003e\n\u003cp\u003eDon't leave your 1.25\" narrowband or LRGB filters behind when you upgrade to a 2\" filter wheel. This adapter threads directly into the M48 female receptacle of a ZWO 2\" filter carousel or drawer, presenting standard 1.25\" female filter threads to accept any 1.25\" mounted filter. The low-profile design ensures it seats correctly without interfering with the wheel's rotation or causing clearance issues.\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\u003eCompatibility with ZWO 5-Position and 7-Position Wheels\u003c\/h3\u003e\n\u003cp\u003eThis adapter is machined specifically for the ZWO ecosystem, providing a secure, centered fit in both the 5x2\" EFW and the larger 7x2\" EFW. It is also fully compatible with ZWO's M42 and M54 filter drawers, allowing you to standardize on one set of 1.25\" filters for multiple imaging setups, from wide-field refractors to larger SCTs.\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\u003eUpgrade to 2\" Without Replacing Your 1.25\" Filters\u003c\/h3\u003e\n\u003cp\u003eThe primary function of this adapter is to provide a cost-effective upgrade path. A complete set of 2\" narrowband or broadband filters represents a significant investment. By using these adapters, you can continue to leverage your existing 1.25\" filters with a larger sensor camera and 2\" wheel, deferring the cost of new filters until it's absolutely necessary for your imaging goals.\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\"\u003eWhy use the ZWO 2\" to 1.25\" adapter instead of just buying 2\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt's a cost-saving measure. The \u003cstrong\u003eZWO 2\" to 1.25\" Filter Adapter Ring\u003c\/strong\u003e allows you to use your existing, less expensive 1.25\" filters in a 2\" filter wheel or drawer. This saves you from the significant expense of replacing an entire LRGB or narrowband filter set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this ZWO adapter cause vignetting with my APS-C camera in a 7x2\" EFW?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUsing a 1.25\" filter with an APS-C sensor will likely introduce some vignetting (darkening in the corners), especially in telescopes with fast focal ratios (f\/5 or faster). While this can be corrected with flat frames, for the most evenly illuminated field with larger sensors, native 2\" filters are recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO 2\" to 1.25\" adapter compatible with non-ZWO filter wheels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the adapter uses a standard M48 male thread found on many 2\" filter holders, its precise dimensions and clearance are only guaranteed for the ZWO 5x2\" EFW, 7x2\" EFW, and ZWO M42\/M54 filter drawers. Its compatibility with other brands is not assured and may interfere with rotation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install my 1.25\" filter into the ZWO adapter ring?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSimply thread your 1.25\" filter into the female 1.25\" filter threads of the adapter ring until it is snug. Then, you can thread the entire assembly into your ZWO filter wheel or drawer as if it were a standard 2\" filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this adapter in my ZWO M54 filter drawer for a full-frame camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the adapter physically fits in the M54 drawer, using a 1.25\" filter with a full-frame sensor will cause severe vignetting and cut off a significant portion of the outer field. For full-frame imaging, using native 2\" filters is essential to illuminate the entire sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the exact threads on the ZWO 2\" to 1.25\" Filter Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter features an \u003cstrong\u003eM48 male thread\u003c\/strong\u003e on the outside, which connects to the filter wheel or drawer. It has a \u003cstrong\u003efemale 1.25\" filter thread\u003c\/strong\u003e on the inside to accept the 1.25\" filter.\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\u003eSKU Number\u003c\/td\u003e\n\u003ctd\u003eZWO-2-125FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFilter Wheel Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eZWO - 2 Years\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\"\u003eZWO 2\" to 1.25\" Filter Adapter 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\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967951237405,"sku":"ZWO-2-1.25FL","price":22.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO_2-1.25FL__52720.1640189038.1280.1280.jpg?v=1684347250"},{"product_id":"qhyccd-cfw-1-25-adapter","title":"QHYCCD CFW 1.25\" Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects QHY monochrome planetary cameras to QHYCFW3S filter wheels\u003c\/li\u003e\n\u003cli\u003eEnables the use of standard 1.25-inch mounted filters\u003c\/li\u003e\n\u003cli\u003eCompatible with 31mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eUnlocks LRGB and narrowband planetary imaging\u003c\/li\u003e\n\u003cli\u003eOfficial QHYCCD component for a secure, direct fit\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\u003eQHYCCD CFW 1.25\" Adapter\u003c\/h2\u003e\n\u003cp\u003eThe QHYCCD CFW 1.25\" Adapter is the essential component for integrating a QHY monochrome planetary camera with the QHYCFW3S filter wheel (SR or US versions). This adapter creates the physical link required for using standard 1.25-inch and 31mm filters, unlocking full LRGB or narrowband imaging capabilities for high-frame-rate solar system targets.\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\u003eAdd 1.25\" Filter Capability to Your QHY Mono Planetary Camera\u003c\/h3\u003e\n\u003cp\u003eThis adapter solves a critical connection challenge for planetary imagers. It allows you to attach your sensitive QHY monochrome planetary camera directly to the compact QHYCFW3S filter wheel, creating a rigid and reliable imaging train for capturing high-resolution color and scientific data.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Color Planetary Imaging:\u003c\/strong\u003e Capture stunning, detailed images of Jupiter, Saturn, and Mars by cycling through separate Luminance, Red, Green, and Blue filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific Band Imaging:\u003c\/strong\u003e Expand your capabilities to include specialized filters, such as a Methane (CH4) band filter to isolate atmospheric features on giant planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Connection:\u003c\/strong\u003e As an official QHY part, this adapter ensures a precise, non-flexing link between your camera and filter wheel, which is critical for maintaining sharp focus and optical alignment.\u003c\/li\u003e\n\u003c\/ul\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 QHYCCD CFW 1.25\" Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts sole purpose is to connect a \u003cstrong\u003eQHY monochrome planetary camera\u003c\/strong\u003e to a \u003cstrong\u003eQHYCFW3S filter wheel\u003c\/strong\u003e (either the SR or US version). This enables you to use 1.25\" or 31mm filters with a camera that otherwise could not accept them in a filter wheel configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich cameras and filter wheels are compatible with the QHYCCD CFW 1.25\" Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is specifically designed for the \u003cstrong\u003eQHYCFW3S-SR\u003c\/strong\u003e and \u003cstrong\u003eQHYCFW3S-US\u003c\/strong\u003e filter wheels and is intended for use with \u003cstrong\u003eQHY's monochrome planetary cameras\u003c\/strong\u003e. It is not designed for their cooled deep-sky camera lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 31mm unmounted filters with this QHYCCD adapter setup?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The QHYCFW3S filter wheel is designed to hold either 1.25\" mounted filters or 31mm unmounted filters. This adapter facilitates the connection of the camera to that wheel, allowing you to use whichever of those filter types your wheel is loaded with.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I add a filter wheel to a QHY mono planetary camera for imaging Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA monochrome sensor is more sensitive than a color one, allowing for sharper images. To capture color, you must shoot separate videos through Red, Green, and Blue filters. The QHYCCD CFW 1.25\" Adapter lets you connect the filter wheel needed to rapidly switch between these filters, capturing all the necessary data for a full-color LRGB composite of Jupiter before its rapid rotation smears the details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this adapter work with QHY deep-sky cooled cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this adapter is specifically intended for the shorter back-focus and different mechanical interface of QHY's monochrome planetary camera series. Cooled deep-sky cameras typically use different threading and spacing standards, such as M54 or M42, and require different adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I want to do methane band imaging of Saturn, is the QHYCCD CFW 1.25\" Adapter the right part?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this adapter is a key part of that imaging train. You would place a 1.25\" Methane (CH4) filter into your QHYCFW3S filter wheel. This adapter then connects your QHY mono planetary camera to the wheel, allowing you to capture scientific data on Saturn's atmospheric composition.\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\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/qhyccd-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eQHYCCD Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":44968076345629,"sku":"QHY-020113","price":42.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/QHY-020113__66075.1680276775.1280.1280.jpg?v=1684348752"},{"product_id":"player-one-extra-2-filter-drawer-holder","title":"Player One Extra Filter Drawer Holder - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds Standard 2\" Mounted Filters\u003c\/li\u003e\n\u003cli\u003eM48x0.75 Internal Female Threads\u003c\/li\u003e\n\u003cli\u003eCompatible with Player One Filter Drawer MAX\u003c\/li\u003e\n\u003cli\u003eCompatible with Player One Filter Drawer MINI\u003c\/li\u003e\n\u003cli\u003eEnables Rapid, Tool-Free Filter Swaps\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\u003ePlayer One Extra Filter Drawer Holder - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One Extra Filter Drawer Holder securely houses any standard 2\" filter via its internal M48x0.75 female threads, allowing you to pre-load multiple filters for rapid, tool-free swaps when used with the Player One Filter Drawer MAX and MINI 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\u003eStreamline Your Imaging Workflow with Pre-Loaded 2\" Filters\u003c\/h3\u003e\n\u003cp\u003eHaving multiple filter drawer holders is a significant workflow improvement. Instead of unthreading and re-threading delicate 2\" filters in the dark—risking drops or dust contamination—you can have your entire filter set pre-loaded and ready. Swapping from a light pollution filter to a narrowband filter becomes a simple, quick exchange of drawers, minimizing downtime and keeping your optical train sealed.\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\"\u003eIs the Player One Extra Filter Drawer Holder compatible with both the MAX and MINI systems?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this 2\" holder is designed to work interchangeably with both the \u003cstrong\u003ePlayer One Filter Drawer MAX\u003c\/strong\u003e and the \u003cstrong\u003eFilter Drawer MINI\u003c\/strong\u003e, ensuring a secure and light-proof fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of filters can I use with the Player One Extra Filter Drawer Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis holder is designed for standard mounted 2\" astronomy filters. It features \u003cstrong\u003eM48x0.75 female threads\u003c\/strong\u003e inside to securely hold the filter cell. It is not designed for unmounted filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does using multiple Player One Extra Filter Drawer Holders help when imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen imaging M42, you might switch between a light pollution filter for broadband data and a duo-band filter for H-alpha and OIII. With pre-loaded holders, you can make this switch in seconds without introducing dust or changing camera orientation, maximizing your imaging time on this popular target.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy should I buy an extra Player One Filter Drawer Holder instead of just swapping the filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSwapping the entire holder is faster, safer, and cleaner. It prevents you from having to handle filters in the dark, reducing the risk of dropping them or getting fingerprints and dust on the glass. Pre-loading your filters indoors ensures they are clean and ready for your session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm using a monochrome camera, can I use the Player One Extra Filter Drawer Holder for LRGB imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. You can purchase four separate holders and pre-install your Luminance, Red, Green, and Blue 2\" filters. This allows you to quickly swap between them, simulating the convenience of a filter wheel for manual LRGB sequences without the added weight or power requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Player One Extra Filter Drawer Holder made of metal?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the holder is constructed from metal to ensure durability and a secure fit within the filter drawer housing. This prevents light leaks and maintains rigidity in the imaging train.\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExtra Filter Drawer Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thread\u003c\/td\u003e\n\u003ctd\u003eM48x0.75 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePlayer One Filter Drawer MAX \/ MINI\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\"\u003eExtra Filter Drawer Holder - 2\"\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\/player-one-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":51049342894365,"sku":"POA-FD-H2","price":40.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Extra-Filter-Drawer-Holder-1.png?v=1773684984"},{"product_id":"player-one-extra-filter-drawer-holder-1-25","title":"Player One Extra Filter Drawer Holder - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds Standard 1.25\" Filters\u003c\/li\u003e\n\u003cli\u003eM28.5x0.6 Female Threads\u003c\/li\u003e\n\u003cli\u003eCompatible with Player One Filter Drawer MAX \u0026amp; MINI\u003c\/li\u003e\n\u003cli\u003eEnables Quick Filter Changes\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\u003ePlayer One Extra Filter Drawer Holder - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One Extra Filter Drawer Holder for 1.25\" filters streamlines your imaging workflow by allowing you to pre-load individual filters. Designed for a perfect fit with Player One Filter Drawer MAX and MINI systems, this holder uses a standard M28.5x0.6 female thread, ensuring you can swap between your LRGB or narrowband filters in seconds without unthreading them in the dark.\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\u003ePre-Load 1.25\" Filters for Rapid Swaps\u003c\/h3\u003e\n\u003cp\u003eBy keeping your most-used 1.25\" filters mounted in their own dedicated holders, you can instantly switch between targets or imaging channels. This is essential for LRGB sequences where minimizing time between exposures is critical for good color alignment. It also makes moving between H-alpha and OIII filters for nebula imaging a simple, drop-in process, saving valuable time under clear skies.\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 purpose of the Player One Extra 1.25\" Filter Drawer Holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis extra holder allows you to pre-install a 1.25\" filter, making it possible to swap filters in your imaging train in seconds. It's designed for imagers who use multiple filters in a session and want to avoid threading and unthreading them in the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich Player One filter drawers are compatible with this 1.25\" holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis holder is specifically designed for use with the \u003cstrong\u003ePlayer One Filter Drawer MAX\u003c\/strong\u003e and \u003cstrong\u003ePlayer One Filter Drawer MINI\u003c\/strong\u003e systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do multiple Player One 1.25\" filter holders help with LRGB imaging of Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen imaging planets, rotation is a major factor. Having your Red, Green, and Blue filters each in their own Player One holder allows you to capture data through each channel extremely quickly. This minimizes the effect of Jupiter's rotation between filter changes, leading to sharper and more accurately aligned color images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm imaging the Orion Nebula (M42) with H-alpha and OIII filters, what's the benefit of an extra Player One 1.25\" holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor bicolor narrowband imaging, you'll be switching between your H-alpha and OIII filters frequently. Keeping each mounted in its own holder means you can make the change by simply sliding one drawer out and the other in. This reduces the risk of dropping a filter and gets you back to collecting photons faster.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat thread does the Player One 1.25\" filter holder use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt uses the standard \u003cstrong\u003eM28.5x0.6 female thread\u003c\/strong\u003e, which is the industry standard for all 1.25\" mounted astronomical filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy buy an extra Player One 1.25\" holder instead of just swapping filters in one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can unthread and re-thread filters into a single holder, doing so in the dark is slow and increases the risk of dropping or smudging the filter. Extra holders are a small, inexpensive upgrade that significantly improves the speed and safety of your imaging workflow.\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\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thread\u003c\/td\u003e\n\u003ctd\u003eM28.5*0.6 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePlayer One Filter Drawer MAX, Filter Drawer MINI\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\"\u003e1.25\" Extra Filter Drawer Holder\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\/player-one-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":51049353740573,"sku":"POA-FD-H1.25","price":40.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Extra-Filter-Drawer-Holder-1-25inch-1.png?v=1773685470"},{"product_id":"starizona-rasa-8-filter-holder-m42-threads","title":"Starizona RASA 8 Filter Holder - M42 Threads","description":"\u003c!-- more --\u003e\n\u003cp\u003eThe RASA 8 Filter Holder allows the use of 2\" filters on Celestron's RASA 8\" telescope with a camera using M42 threads and having a 17.5mm backfocus such as the ZWO ASI2600MC-P25. To use the RASA 8 Filter Holder, remove the optical window that comes installed in the RASA 8 and install a standard 2\" mounted filter in the Filter Holder. The Holder then replaces the standard camera adapter flange from the RASA and is held in place using the stock lock ring. The Filter Holder includes slots so you can still access the collimation screws on the RASA.\u003c\/p\u003e","brand":"Starizona","offers":[{"title":"Default Title","offer_id":51254578217245,"sku":"STZ-RASA8-FH","price":126.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Starizona-RASA8-Filter-Holder-M42-1.jpg?v=1778079592"},{"product_id":"baader-planetarium-fcct-filter-holder-3d-printed","title":"Baader Planetarium FCCT Filter Holder – 3D-printed","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for the Baader FCCT System\u003c\/li\u003e\n\u003cli\u003eAvailable for unmounted 31mm, 36mm and 2\" (Ø 47.4mm) filters\u003c\/li\u003e\n\u003cli\u003eIntegrated Neodymium magnets for secure, repeatable positioning\u003c\/li\u003e\n\u003cli\u003eLightweight 3D-printed construction\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\u003eFCCT Filter Holder – 3D-printed\u003c\/h2\u003e\n\u003cp\u003eEngineered for the Baader FCCT (Filter Changer Camera Tilter), this 3D-printed filter holder securely accommodates unmounted Baader filters in three sizes: 31mm and 36mm round filters with a 2mm thickness, or 2-inch filters with a precise Ø 47.4mm diameter. It provides a dedicated, lightweight solution for integrating specific unmounted filters into your imaging train, held in place by a robust magnetic retention system.\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 3D-Printed Holder for 31mm, 36mm and 2-inch Unmounted Filters\u003c\/h3\u003e\n\u003cp\u003eThis holder offers a direct and cost-effective solution for using unmounted Baader filters within the Baader FCCT. The 3D-printed construction ensures a precise, snug fit for the selected filter size, eliminating the need for a standard threaded cell, minimizing weight in the optical path and maximizing the clear aperture available within the compact FCCT system.\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\u003eMagnetic Retention: Zero-Shift Alignment for Every Filter\u003c\/h3\u003e\n\u003cp\u003eIntegrated Neodymium magnets provide a firm, positive lock, preventing the filter holder from accidentally slipping or falling out of the FCCT housing. This magnetic system also guarantees exceptionally consistent and repeatable positioning, which is critical for maintaining the accuracy of your flat-field calibration frames between imaging sessions.\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 Baader FCCT Filter Holder designed for, and which size do I need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is specifically designed to hold \u003cstrong\u003eunmounted Baader filters\u003c\/strong\u003e for use within the Baader FCCT (Filter Changer Camera Tilter) system. Choose the version that matches your filters: \u003cstrong\u003e31mm\u003c\/strong\u003e or \u003cstrong\u003e36mm\u003c\/strong\u003e round filters with a 2mm thickness, or \u003cstrong\u003e2-inch\u003c\/strong\u003e filters with a diameter of \u003cstrong\u003e47.4mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the magnetic system on the FCCT Filter Holder work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe holder uses built-in \u003cstrong\u003eNeodymium magnets\u003c\/strong\u003e to securely lock it into the FCCT housing. This prevents it from falling out and ensures it seats in the exact same position every time for consistent optical alignment and reliable flat-field calibration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use mounted filters with this FCCT holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Each version is purpose-built for \u003cstrong\u003eunmounted\u003c\/strong\u003e Baader filters of a specific diameter (31mm, 36mm or 47.4mm). Filters that are pre-mounted in threaded cells, such as standard 1.25\" or 2\" mounted filters, will not fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is this FCCT filter holder 3D-printed?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 3D-printed construction allows for a precise, lightweight, and cost-effective design tailored specifically for each unmounted Baader filter size and the FCCT system. It is a specialized part for a very specific application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm taking flats with my telescope, why is the repeatable positioning of this FCCT holder important?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eConsistent, repeatable positioning is critical for accurate flat-field calibration. The magnetic seating ensures that any dust motes or imperfections on the filter return to the exact same spot in the optical path, allowing your calibration frames to perfectly subtract them from your light frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this FCCT holder compatible with filter drawers from other brands?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter holder is specifically designed for the \u003cstrong\u003eBaader FCCT system\u003c\/strong\u003e. It is not intended to be compatible with the Baader UFC (Universal Filter Changer) or with filter drawers or filter wheels from other manufacturers due to its unique shape and magnetic retention mechanism.\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\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" (Ø 47.4mm)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Filter Type\u003c\/td\u003e\n\u003ctd\u003eUnmounted Ø 47.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention System\u003c\/td\u003e\n\u003ctd\u003eNeodymium Magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e31mm\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT (Filter Changer Camera Tilter) System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e31mm Diameter (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Thickness\u003c\/td\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed Polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention Mechanism\u003c\/td\u003e\n\u003ctd\u003eIntegrated Neodymium Magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e36mm\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e36mm x 2mm, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention Mechanism\u003c\/td\u003e\n\u003ctd\u003eNeodymium Magnets\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\"\u003eFCCT Filter Holder (selected size) – 3D-printed\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\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.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\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\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 Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"2\" (Ø 47.4mm)","offer_id":52913140760861,"sku":"BAA-2459085","price":59.0,"currency_code":"CAD","in_stock":true},{"title":"31mm","offer_id":52913140793629,"sku":"BAA-2459087","price":56.0,"currency_code":"CAD","in_stock":true},{"title":"36mm","offer_id":52913140826397,"sku":"BAA-2459088","price":57.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-FCCT-Filter-Holder-2-47-4mm-3D-printed-1_3e82ad12-5604-49c0-8026-254246716f72.jpg?v=1789086663"},{"product_id":"baader-planetarium-fcct-filter-holder-set-4x-3d-printed","title":"Baader Planetarium FCCT Filter Holder Set: 4x – 3D-printed","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSet of 4 individual filter holders\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader FCCT system\u003c\/li\u003e\n\u003cli\u003eAvailable for unmounted 31mm, 36mm (2mm thick) or 2-inch (Ø 47.4 mm) filters\u003c\/li\u003e\n\u003cli\u003eLightweight and durable 3D-printed construction\u003c\/li\u003e\n\u003cli\u003eIntegrated Neodymium magnets for secure seating\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\u003eFCCT Filter Holder Set: 4x – 3D-printed\u003c\/h2\u003e\n\u003cp\u003eThis set includes four 3D-printed filter holders designed for the Baader FCCT (Filter Changer Camera Tilter) system, each precision-made to secure unmounted Baader filters in your choice of size: 31mm or 36mm round filters with a 2mm thickness, or 2-inch filters with a 47.4 mm diameter. The design leverages powerful Neodymium magnets to ensure your filters are held firmly and consistently in the optical path, preventing accidental drops and maintaining repeatable alignment for calibration frames.\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\u003ePrecision Fit for 31mm, 36mm and 47.4mm Unmounted Filters\u003c\/h3\u003e\n\u003cp\u003eThese holders are specifically engineered to accommodate unmounted Baader filters: 31mm and 36mm round filters with a 2mm thickness, or filters with a diameter of 47.4 mm, the standard for Baader's 2-inch filter line. This allows imagers to use their filters without the added thickness and potential vignetting of a standard metal cell, which is critical in fast optical systems. The 3D-printed construction provides a lightweight yet rigid housing that perfectly matches the filter's dimensions, preventing movement or rattling of the filter.\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\u003eNeodymium Magnets: Secure Seating for 4 Filters\u003c\/h3\u003e\n\u003cp\u003eEach of the four holders in this set is embedded with Neodymium magnets. This system ensures the filter drawer snaps into the exact same position every time, which is essential for the accuracy of flat fields. The magnetic force is strong enough to prevent the holder from falling out, even when the telescope is pointed at high angles, protecting your valuable filters from damage.\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\"\u003eWhich filters are compatible, and which set should I choose?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the set that matches your unmounted Baader filters: \u003cstrong\u003e4x 31mm\u003c\/strong\u003e or \u003cstrong\u003e4x 36mm\u003c\/strong\u003e for round filters with a thickness of 2mm, or \u003cstrong\u003e4x 2\"\u003c\/strong\u003e for 2-inch filters with a glass diameter of \u003cstrong\u003e47.4 mm\u003c\/strong\u003e. None of the sets are compatible with filters that are pre-mounted in threaded cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow many holders come in one FCCT Filter Holder set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis product includes a set of \u003cstrong\u003efour individual filter holders\u003c\/strong\u003e, allowing you to populate a filter drawer for LRGB, narrowband, or other filter combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat prevents the FCCT filter holders from falling out of the drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEach holder has built-in \u003cstrong\u003eNeodymium magnets\u003c\/strong\u003e. These create a secure connection with the filter drawer, holding it firmly in place and ensuring it cannot fall out accidentally during use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use threaded, mounted filters with these FCCT holders?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. These holders are specifically made for \u003cstrong\u003eunmounted filter glass\u003c\/strong\u003e of 31mm, 36mm or 47.4 mm diameter. The outer metal cell of a mounted filter, such as a standard M48-threaded 2\" filter, will not fit inside these holders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAs these FCCT holders are 3D-printed, how durable are they?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe holders are printed from a durable, high-quality material designed for astronomical accessories. While they are robust enough for regular use, they should be handled with care compared to machined aluminum parts. The lightweight nature of the 3D-printed material helps reduce the overall weight on your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill these holders work with my Baader FCCT II system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese holders are designed for the Baader FCCT system. You should confirm compatibility with your specific version of the FCCT (I or II) and its corresponding filter drawer, as designs can vary. These are made for drawers that accept this specific magnetic, unmounted filter holder format.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e4x 2\" (Ø 47.4mm)\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e4 filter holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e2\" (Ø 47.4mm), Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention Mechanism\u003c\/td\u003e\n\u003ctd\u003eNeodymium Magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4x 31mm\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e4 filter holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e31mm Diameter (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Thickness\u003c\/td\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention Mechanism\u003c\/td\u003e\n\u003ctd\u003eNeodymium Magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4x 36mm\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e4 filter holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eBaader FCCT System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e36mm Diameter (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Thickness\u003c\/td\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetention Mechanism\u003c\/td\u003e\n\u003ctd\u003eNeodymium Magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e4x 31mm\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e31mm Filter Holder for FCCT\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 4\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003ch3\u003e4x 36mm\u003c\/h3\u003e\n\u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e4x Filterholder 36mm for FCCT (3D-printed)\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003efor unmounted Ø 36x2mm Baader Filter\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\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:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader_Planetarium_FCCT_Filter_Changer_Camera_Tilter_Manual.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\"\u003eBaader Planetarium FCCT Filter Changer Camera Tilter Manual\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":"4x 2\" (Ø 47.4mm)","offer_id":52913141973277,"sku":"BAA-2459095","price":200.0,"currency_code":"CAD","in_stock":true},{"title":"4x 31mm","offer_id":52913142006045,"sku":"BAA-2459097","price":188.0,"currency_code":"CAD","in_stock":true},{"title":"4x 36mm","offer_id":52913142038813,"sku":"BAA-2459098","price":196.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-FCCT-Filter-Holder-Set-4x-2-47-4-mm-3D-printed-1_ac2d127c-a62a-41a4-906c-7d828be07aab.jpg?v=1789086682"},{"product_id":"baader-planetarium-ufc-protection-dark-slider-3d-printed","title":"Baader Planetarium UFC Protection – Dark-Slider, 3D-printed","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSTL files for 3D printing\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader UFC System\u003c\/li\u003e\n\u003cli\u003eCreates a light-tight dark slide\u003c\/li\u003e\n\u003cli\u003eEssential for dark frame calibration\u003c\/li\u003e\n\u003cli\u003eFree download with customer account\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\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\u003eUFC Protection – Dark-Slider, 3D-printed\u003c\/h2\u003e\n      \u003cp\u003eThis product provides the official STL files for the Baader Planetarium UFC Protection Dark-Slider, allowing you to 3D-print a crucial component for your imaging train. Designed specifically for the Universal Filter Changer (UFC) system, these files let you create a custom dark slide to block all incoming light for perfect calibration frames.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eA 3D-Printable Dark Frame Solution for the Baader UFC System\u003c\/h3\u003e\n      \u003cp\u003eThe Baader UFC is engineered for maximum modularity, and this 3D-printable dark-slider enhances its utility for serious imagers. By printing and inserting this slide, you create a perfectly light-tight seal within the filter base, which is essential for capturing accurate dark frames to remove thermal noise and hot pixels from your astronomical images.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed by Baader Planetarium to ensure a precise, light-proof fit within the UFC filter chamber.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDIY Customization:\u003c\/strong\u003e Print the slider yourself using the filament material (e.g., black PETG, ABS) and quality settings of your choice.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCalibration Accuracy:\u003c\/strong\u003e Enables the creation of a reliable dark frame library, a fundamental step for producing clean, low-noise images.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eFree Download Under Creative Commons 4.0 License\u003c\/h3\u003e\n      \u003cp\u003eBaader Planetarium offers these design files to the astronomy community as a free download. To access the STL files, you only need to log in with your customer account or register on our website. The files are distributed under a Creative Commons CC BY-NC-SA 4.0 license, which has a few key conditions for use.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAttribution Required:\u003c\/strong\u003e You must give appropriate credit to © Baader Planetarium GmbH if you share the design.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNon-Commercial Use:\u003c\/strong\u003e The files and any resulting 3D prints may not be used for commercial purposes.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShare-Alike:\u003c\/strong\u003e If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Baader UFC Protection Dark-Slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis is not a physical product for sale, but rather a set of \u003cstrong\u003eSTL digital design files\u003c\/strong\u003e provided for free by Baader Planetarium. These files allow you to 3D-print your own dark slide, a component that blocks light within their Universal Filter Changer (UFC) system, which is necessary for taking dark calibration frames.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the printed UFC Dark-Slider to take dark frames?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eOnce printed, insert the Dark-Slider into your Baader UFC base just as you would a filter slide. With the telescope capped or otherwise shielded from light, you can then take exposures with your camera that match the duration and temperature of your light frames. The slider ensures no stray light reaches the sensor, resulting in pure dark frames.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat material should I use to 3D print the UFC Dark-Slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor best results, use a filament that is opaque and matte to prevent internal reflections. \u003cstrong\u003eBlack PETG or ABS\u003c\/strong\u003e are excellent choices due to their durability and light-blocking properties. High-quality black PLA can also work, but verify that it is fully opaque when printed.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhere can I download the STL files for the UFC Dark-Slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe STL files are available for free on this product page under the \u003cstrong\u003e\"Downloads\" tab\u003c\/strong\u003e. You must be logged into a customer account to access the download link.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I sell the 3D prints I make from the UFC Dark-Slider files?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. The files are licensed under a Creative Commons \u003cstrong\u003eNon-Commercial (NC)\u003c\/strong\u003e license (CC BY-NC-SA 4.0). You are free to print them for personal use, but you may not sell the printed objects or the files themselves.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need a dark slider for my Baader UFC system?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA dedicated dark slider provides a guaranteed light-tight seal directly in the optical path. This is often more reliable and convenient than capping the telescope, especially for remote or automated imaging setups where you want to capture calibration frames without physically touching the equipment.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\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\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\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\"\u003eDigital Download\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003eThis is a digital product (STL files). No physical items are shipped.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"#[INSERT_STL_FILE_URL_HERE]\" 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 STL Files\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\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":52913142956317,"sku":"BAA-2459197","price":44.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-UFC-Protection-Dark-Slider-3D-printed-1_c7e86592-b663-4c53-a952-3647b6772eab.jpg?v=1789086708"},{"product_id":"baader-planetarium-ufc-protection-slider-seal-3d-printed","title":"Baader Planetarium UFC Protection – Slider-Seal, 3D-printed","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eFree to download STL files for 3D printing\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader Planetarium UFC System\u003c\/li\u003e\n\u003cli\u003eProtects filter sliders from dust and damage\u003c\/li\u003e\n\u003cli\u003eLicensed under Creative Commons for non-commercial use\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\u003eUFC Protection – Slider-Seal, 3D-printed\u003c\/h2\u003e\n\u003cp\u003eThis is a free digital download containing the STL files to 3D print a protective Slider-Seal for the Baader Planetarium Universal Filter Changer (UFC) system. Provided directly by Baader Planetarium, these files allow you to create a custom-fit component that helps seal and protect your filter sliders when not in use.\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 Free, 3D-Printable Solution for UFC Protection\u003c\/h3\u003e\n\u003cp\u003eInstead of a physical product, Baader Planetarium offers the design for the UFC Slider-Seal as a service to the astronomy community. This DIY approach allows any user with access to a 3D printer to produce their own protective seal, safeguarding their valuable UFC filter sliders from dust, moisture, and accidental contact.\u003c\/p\u003e\n\u003cp\u003eTo access the files, simply log in to your customer account or register on our website. The download link is available on the \"Downloads\" tab for this product. This initiative ensures that UFC users can easily and affordably create essential accessories for their 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\u003eUnderstanding the Creative Commons 4.0 License\u003c\/h3\u003e\n\u003cp\u003eThe STL files for the UFC Slider-Seal are distributed under the Creative Commons CC BY-NC-SA 4.0 license. This license grants you specific permissions while establishing clear guidelines for use, ensuring the design remains an open and accessible community resource.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttribution (BY):\u003c\/strong\u003e You must give appropriate credit to Baader Planetarium GmbH as the original creator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Commercial (NC):\u003c\/strong\u003e You may not use the files or any prints made from them for commercial purposes. Selling printed copies of this design is prohibited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShare Alike (SA):\u003c\/strong\u003e If you remix, transform, or build upon the material, you must distribute your contributions under the same CC BY-NC-SA 4.0 license as the original.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eIs the UFC Slider-Seal a physical product I can buy?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this is not a physical product for sale. It is a set of \u003cstrong\u003eSTL files\u003c\/strong\u003e that you can download for free to print the UFC Slider-Seal on your own 3D printer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I download the STL files for the UFC Slider-Seal?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo download the files, you must be logged into a customer account on our website. If you don't have one, you can register for free. Once logged in, navigate to the \"Downloads\" tab on this page to find the download link.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I sell 3D prints of the Baader UFC Slider-Seal?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The files are licensed under a Creative Commons license (CC BY-NC-SA 4.0) that includes a \u003cstrong\u003eNon-Commercial (NC)\u003c\/strong\u003e clause. This means you cannot use the files or the resulting prints for any commercial purpose, including selling them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat material should I use to 3D print the UFC Slider-Seal?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe source files do not specify a material. However, for astronomy accessories, a dark, durable filament like \u003cstrong\u003ePETG or ABS\u003c\/strong\u003e is often recommended to minimize light reflections and withstand outdoor conditions. You should choose a material compatible with your specific 3D printer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I have to pay for the UFC Slider-Seal design files?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the STL files are provided by Baader Planetarium completely free of charge. You only need to register for a customer account on our website to access the download.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are my obligations if I modify the UFC Slider-Seal design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe license includes a \u003cstrong\u003eShare Alike (SA)\u003c\/strong\u003e clause. This means if you modify the design and distribute your version, you must do so under the exact same CC BY-NC-SA 4.0 license, giving credit to Baader Planetarium as the original creator.\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\u003e0.02\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=\"#\" 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 STL Files\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":52913143054621,"sku":"BAA-2459196","price":44.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-UFC-Protection-Slider-Seal-3D-printed-1_b2d3f4b4-cff8-4570-998b-232a194856e5.jpg?v=1789086718"},{"product_id":"baader-planetarium-ufc-s70-base-connector-optical-height-2-mm","title":"Baader Planetarium UFC S70 Base Connector – Optical height: 2 mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n    \u003cli\u003eConnects multiple Baader UFC filter bases\u003c\/li\u003e\n    \u003cli\u003eAdds only 2 mm of optical height to the imaging train\u003c\/li\u003e\n    \u003cli\u003eProvides a camera-side S70 dovetail connection\u003c\/li\u003e\n    \u003cli\u003eEnables complex, multi-filter configurations\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\u003eUFC S70 Base Connector – Optical height: 2 mm\u003c\/h2\u003e\n                    \u003cp\u003eThe Baader UFC S70 Base Connector is a specialized adapter designed to rigidly couple multiple UFC (Universal Filter Changer) bases together, adding a minimal optical height of just 2 mm. This component is essential for building custom, stacked filter configurations without significantly impacting back focus, providing a secure camera-side S70 dovetail connection that consumes only 2 mm of your available optical path.\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\u003eStacking UFC Bases: A 2mm Connector for Custom Filter Setups\u003c\/h3\u003e\n                    \u003cp\u003eThe primary function of the UFC S70 Base Connector is to enable the stacking of multiple UFC bases, allowing you to create extended filter holders for specialized imaging projects. By connecting two or more bases in series, you can house multiple filter sliders simultaneously, creating combinations of narrowband, LRGB, or photometric filters that would otherwise require a large, heavy filter wheel. This connector adds only 2 mm to the total optical length, making it a critical component for maintaining focus in imaging trains with limited back focus.\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 purpose of the UFC S70 Base Connector?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eThe main purpose of the \u003cstrong\u003eUFC S70 Base Connector\u003c\/strong\u003e is to physically join two or more Baader UFC filter bases together. This allows you to stack filter sliders, creating a custom, multi-filter setup tailored to your specific imaging needs.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion\"\u003e\n            \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 2 mm optical height of the UFC S70 Base Connector affect my imaging train?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eThe \u003cstrong\u003e2 mm optical height\u003c\/strong\u003e is the amount of back focus this connector consumes. Its minimal profile is a significant advantage, as it allows you to stack UFC bases without drastically altering your imaging train's length. This is crucial when working with systems that have very little back focus to spare, such as those using reducers or correctors.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion\"\u003e\n            \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the UFC S70 Base Connector on the telescope side of the UFC base?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eNo, this connector is specifically designed for the \u003cstrong\u003ecamera side\u003c\/strong\u003e of the UFC base. It provides an S70 dovetail output to connect to the next UFC base in the stack, which then requires its own camera-side adapter to connect to your camera.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion\"\u003e\n            \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I stack UFC bases with the S70 Connector instead of using a filter wheel?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eStacking UFC bases offers a modular alternative to a traditional filter wheel. It can be advantageous for imagers who need to combine filter types that don't fit in a single wheel, or for creating very specific, rigid setups for remote observatories. While a filter wheel is faster for automated LRGB sequences, a stacked UFC setup provides greater flexibility in filter size and type combinations.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion\"\u003e\n            \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the UFC S70 Base Connector compatible with other filter systems?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eNo, this is a proprietary component designed exclusively for the \u003cstrong\u003eBaader Planetarium UFC (Universal Filter Changer) system\u003c\/strong\u003e. It utilizes the S70 dovetail standard specific to UFC components and will not connect to hardware from other manufacturers.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion\"\u003e\n            \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat problem does stacking UFC bases with this connector solve for an astrophotographer?\u003c\/h3\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-accordion-A\"\u003e\n            \u003cp\u003eThis connector solves the problem of needing more filter capacity than a single UFC base provides. For example, an imager might stack two bases to keep both a full LRGB filter set and a trio of narrowband filters (H-alpha, OIII, SII) ready in the optical path without having to manually swap sliders in the dark.\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 Height\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\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\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e70\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\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eS70\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":52913146691869,"sku":"BAA-2459124","price":53.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-UFC-S70-Base-Connector-Optical-height-2-mm-1_690c1f3c-624a-4d33-b2eb-a57f914143b5.jpg?v=1789086758"},{"product_id":"baader-planetarium-1-25-inch-filter-holder-for-t-2-and-2-inch-filter-threads","title":"Baader Planetarium 1.25\" Filter Holder for T-2 and 2\" Filter Threads","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSecurely holds standard 1.25\" filters\u003c\/li\u003e\n\u003cli\u003eIntegrates directly into T-2 (M42x0.75) threaded systems\u003c\/li\u003e\n\u003cli\u003ePrevents accessory tilt common with drop-in filter holders\u003c\/li\u003e\n\u003cli\u003eAdaptable for use in 2\" filter threads with optional ring\u003c\/li\u003e\n\u003cli\u003eLow-profile design minimizes added optical path length\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\u003e1.25\" Filter Holder for T-2 and 2\" Filter Threads\u003c\/h2\u003e\n\u003cp\u003eThe Baader 1.25\" Filter Holder provides a rigid, threaded solution for placing standard 1.25\" filters into any T-2 optical train, creating a secure connection that eliminates tilt. When used with optional adapters, it can achieve an optical path length of just 10 mm, and it can also be converted for use in standard 2\" filter threads, ensuring critical stability for heavy cameras, filter wheels, or an Atmospheric Dispersion Corrector (ADC).\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 1.25\" Filter Holder for Tilt-Free T-2 Connections\u003c\/h3\u003e\n\u003cp\u003eThis holder is engineered to solve a critical problem in astrophotography: accessory tilt. Unlike drop-in filter drawers or nosepieces that can introduce slight alignment errors, this unit screws directly into your T-2 threaded setup, forming a solid, flex-free connection. This ensures your filter remains perfectly orthogonal to the light path, which is essential for maintaining sharpness across the field with heavy imaging systems.\u003c\/p\u003e\n\u003cp\u003eBy installing the filter holder in one direction or the other, you can also make minor adjustments to the filter-to-sensor distance. This provides a small degree of spacing flexibility without needing additional extension rings, useful for fine-tuning back focus with specific reducers or correctors.\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\u003eAdapting to 2\" Systems and Managing Vignetting\u003c\/h3\u003e\n\u003cp\u003eWhile designed for T-2 systems, this holder can be adapted for use in any 2\" filter thread with the optional Baader Expanding Ring T-2f \/ M48m. This allows you to use a 1.25\" filter with a 2\" eyepiece or a camera that has a fixed 2\" filter thread and a smaller sensor.\u003c\/p\u003e\n\u003cp\u003eThe primary trade-off when using a 1.25\" filter in a 2\" light path is the potential for vignetting. This configuration is not recommended for wide-angle 2\" eyepieces or cameras with full-frame sensors, but it is a perfectly viable solution for planetary imaging cameras or visual use on-axis where the smaller illuminated field is not a limitation.\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\u003eScrew-In vs. Push-Fit: The #2458106 Alternative\u003c\/h3\u003e\n\u003cp\u003eBaader offers multiple ways to integrate 1.25\" filters, and this holder serves a specific purpose compared to push-fit solutions like the 1.25\" \/ T-2 plug-in adapter (#2458106). Where a push-fit adapter offers convenience for quick visual changes, this screw-in holder offers maximum security.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity for Imaging:\u003c\/strong\u003e For an imaging train with a heavy camera, ADC, and filter wheel, a fully threaded connection is non-negotiable. This holder guarantees that nothing can sag, tilt, or decenter during a long exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanent Installation:\u003c\/strong\u003e You can install a specific filter—like a UV\/IR cut or a light pollution filter—semi-permanently within your optical train, knowing it will remain fixed and protected.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eHow does this 1.25\" Filter Holder prevent tilt in my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy using \u003cstrong\u003eT-2 (M42x0.75) threads\u003c\/strong\u003e to connect directly to other T-2 accessories, it creates a rigid, metal-on-metal connection. Unlike drop-in holders or nosepieces that rely on pressure screws, this threaded system ensures all components are perfectly aligned and locked in place, eliminating flexure even with heavy equipment like a cooled camera or filter wheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Baader 1.25\" Filter Holder with my 2\" eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but with a caveat. You will need the optional \u003cstrong\u003eBaader Expanding Ring T-2f \/ M48m (#2458110)\u003c\/strong\u003e to adapt the T-2 threads to standard 2\" filter threads. Be aware that using a 1.25\" filter with a wide-field 2\" eyepiece will likely cause significant vignetting (darkening at the edges of the view), as the filter is smaller than the eyepiece's field stop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of this screw-in filter holder over a drop-in filter slide?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is \u003cstrong\u003estability\u003c\/strong\u003e. A screw-in holder becomes a structural part of the optical train, preventing any possibility of tilt or movement. Filter slides are convenient for changing filters quickly but can introduce minute alignment shifts that can affect flat-field calibration and edge-of-field star sharpness in demanding imaging applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I use this holder with my ZWO ASI533MC camera and T-2 accessories, will it cause vignetting?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The sensor in the ZWO ASI533MC is a 1-inch square format, which is well within the illumination circle provided by a 1.25\" filter. When used in a native T-2 threaded system, this filter holder will not cause vignetting with that camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Baader filter holder work with a Q-Barlow lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the holder accepts accessories with standard 1.25\" filter threads, including the Baader Q-Barlow lens element. However, due to the specific thread length on the Q-Barlow, it will only screw in about a quarter of a turn. This is sufficient to hold it securely for use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging Jupiter with my ADC and a heavy camera, why is this Baader T-2 holder a better choice than a standard 1.25\" nosepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor planetary imaging, maintaining perfect collimation and alignment through the entire optical train is critical. An ADC and a cooled planetary camera create a long, heavy lever arm. A standard 1.25\" nosepiece held by thumbscrews can easily tilt, throwing off both the ADC's correction and the camera's focus across the sensor. This \u003cstrong\u003eall-threaded T-2 holder\u003c\/strong\u003e prevents that tilt, ensuring the entire imaging system remains rigid and perfectly aligned with the telescope's optical axis.\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\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\" style=\"width:100%; text-align:center; font-style:italic;\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBox contents for this product have not been specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\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":52913178312989,"sku":"BAA-1508031","price":116.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-1-Filter-Holder-for-T-2-and-2-Filter-Threads-1_ebe0f88c-3419-4f93-ae2d-d03ff78009f0.jpg?v=1789087318"},{"product_id":"baader-planetarium-filter-crown-tool-for-baader-filters","title":"Baader Planetarium Filter Crown Tool for Baader Filters","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSafely Removes Stuck Baader Filters – Versions for 1.25\" \u0026amp; 2\" Filters\u003c\/li\u003e\n\u003cli\u003eEngages with Baader's Proprietary \"Filter Crown\" Notch\u003c\/li\u003e\n\u003cli\u003ePrevents Deformation of Thin-Walled Filter Cells\u003c\/li\u003e\n\u003cli\u003eIdeal for Tight Spaces like Filter Wheels and Herschel Wedges\u003c\/li\u003e\n\u003cli\u003eAvoids Fingerprints on Optical Surfaces\u003c\/li\u003e\n\u003cli\u003e3D-Printed Construction\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\u003eFilter Crown Tool for Baader Filters\u003c\/h2\u003e\n\u003cp\u003eThe Baader Filter Crown Tool is engineered specifically for modern Baader filters, engaging with their unique milled grip crown to prevent damage during removal, and is available in versions for 1.25\" and 2\" filters. This 3D-printed tool provides even, distributed pressure for extracting tightly fitted filters from changers or Herschel wedges without deforming the thin-walled cells.\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\u003eSolving the Stuck Filter Problem: Safely Removing Baader Filters\u003c\/h3\u003e\n\u003cp\u003eModern Baader filter cells are intentionally thin-walled to maximize the clear aperture. When a filter is screwed in tightly or located in a hard-to-reach spot like a filter wheel, gripping it with two fingers can easily deform the cell, causing it to jam even more severely. The Filter Crown Tool solves this by gripping the entire filter frame, distributing the pressure evenly so the cell cannot be distorted.\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\u003eEngaging the Baader \"Filter Crown\" on LPFC \u0026amp; ULP Cells\u003c\/h3\u003e\n\u003cp\u003eThis tool's effectiveness comes from its precise interaction with the \"filter crown\"—a series of milled notches unique to modern Baader 1.25\" and 2\" filter cells. The tool's prongs lock into these notches, providing a secure, tension-free grip that a simple friction wrench cannot match.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned For Baader:\u003c\/strong\u003e Each version is only compatible with Baader filters of its size (1.25\" or 2\") that feature the Low Profile (LPFC) or Ultra Low Profile (ULP) Filter Cell design with the grip crown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExplicit Incompatibility:\u003c\/strong\u003e It is not suitable for older Baader filters that lack the crown, nor will it work with filters from any other manufacturer.\u003c\/li\u003e\n\u003c\/ul\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 3D-Printed Tool for Fingerprint-Free Handling\u003c\/h3\u003e\n\u003cp\u003eBy using this tool, you gain a much better grip to twist a filter out without ever needing to touch the optical surface, eliminating the risk of accidental fingerprints. The tool is produced via 3D printing, and for those who own a 3D printer, Baader makes the print file available for download separately.\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\"\u003eWhy do I need the Baader Filter Crown Tool for my filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou need the \u003cstrong\u003eBaader Filter Crown Tool\u003c\/strong\u003e if you use modern 1.25\" or 2\" Baader filters in tight spaces like filter wheels or diagonals. Their thin-walled cells can deform and jam if twisted with finger pressure alone. This tool provides even pressure to prevent damage and ensure easy removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Baader Filter Crown Tool work with my non-Baader filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The tool is specifically designed to engage with the proprietary \u003cstrong\u003e\"filter crown\" notches\u003c\/strong\u003e milled into modern Baader filter cells (LPFC and ULP types). It is not compatible with filters from other manufacturers that lack this feature.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Filter Crown Tool prevent my Baader filter from getting stuck?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFilter Crown Tool\u003c\/strong\u003e prevents jamming by distributing rotational force across the entire filter frame instead of concentrating it at two finger points. This stops the thin metal cell from deforming under pressure, which is the primary cause of a filter jamming in its threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eMy Baader filter is stuck in my filter wheel; which Crown Tool version do I need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the version that matches your filter: the \u003cstrong\u003e1.25\" Filter Crown Tool\u003c\/strong\u003e for 1.25\" Baader filters, or the \u003cstrong\u003e2\" Filter Crown Tool\u003c\/strong\u003e for 2\" Baader filters. A stuck filter in a wheel is precisely the scenario the tool was designed for: it allows you to get a firm, even grip on a filter that is difficult to access, enabling you to unscrew it without damaging the filter cell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have older Baader filters. Is the Crown Tool compatible with them?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eCompatibility is not guaranteed for older filters. The \u003cstrong\u003eFilter Crown Tool\u003c\/strong\u003e is designed for modern Baader 1.25\" and 2\" filters featuring the \u003cstrong\u003eLPFC (Low Profile Filter Cell)\u003c\/strong\u003e or \u003cstrong\u003eULP (Ultra Low Profile)\u003c\/strong\u003e design, which includes the milled grip crown. Older versions without this feature are not compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm trying to swap a filter inside my Baader Herschel Wedge and it's tight. Will this tool help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The rotation mechanism of a Herschel Wedge is another common place where a filter can be hard to reach and remove. The \u003cstrong\u003eBaader Filter Crown Tool\u003c\/strong\u003e provides the leverage and grip needed to easily swap filters in such a device without frustration or risk of fingerprints.\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\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter mounted\u003c\/td\u003e\n\u003ctd\u003eMounted (LPFC 6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e1.25\" Filters\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eModern Baader Filters with LPFC or ULP Cells (Grip Crown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngagement\u003c\/td\u003e\n\u003ctd\u003eMilled \"Filter Crown\" Notches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e3D-Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot Compatible With\u003c\/td\u003e\n\u003ctd\u003eNon-Baader Filters; Older Baader Filters without Grip Crown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e2\" Filters\u003c\/h3\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCurrent Baader Filters with LPFC or ULP Cells (Grip Crown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngagement\u003c\/td\u003e\n\u003ctd\u003eMilled \"Filter Crown\" Notches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3D Print File\u003c\/td\u003e\n\u003ctd\u003eAvailable from Baader\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot Compatible With\u003c\/td\u003e\n\u003ctd\u003eNon-Baader Filters; Older Baader Filters without Grip Crown\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\"\u003eFilter Crown Tool for Baader Filters (selected size)\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\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":"1.25\" Filters","offer_id":52913209835805,"sku":"BAA-2458134","price":51.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Filters","offer_id":52913209868573,"sku":"BAA-2458135","price":51.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-Filter-Crown-Tool-for-1-Baader-filters-1_808e74c7-0d91-4526-88a9-c89d8a9754d9.jpg?v=1789088189"},{"product_id":"wanderer-astro-sfw50-sfw50s-filter-shrim-for-50mm-filters-thinner-than-2-5mm","title":"Wanderer Astro Filter Shim for 50mm Filters","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for SFW50 \u0026amp; SFW50S Filter Wheels\u003c\/li\u003e\n\u003cli\u003eAdapts 50mm Unmounted Filters Thinner than 2.5mm\u003c\/li\u003e\n\u003cli\u003eEnsures Accurate and Stable Filter Seating\u003c\/li\u003e\n\u003cli\u003ePrevents Filter Tilt and Optical Artifacts\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\u003eSFW50\/SFW50S Filter Shim for 50mm Filters thinner than 2.5mm\u003c\/h2\u003e\n\u003cp\u003eThe SFW50\/SFW50S Filter Shim is the essential adapter for using unmounted 50mm filters thinner than 2.5mm in compatible Wanderer Astro filter wheels. This precision ring solves the specific 2.5mm slot depth of the SFW50 and SFW50S, ensuring thin filters are seated securely without tilt for consistent imaging results.\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\u003eSecure Fit for Filters Under 2.5mm in SFW50\/SFW50S Wheels\u003c\/h3\u003e\n\u003cp\u003eWanderer Astro's SFW50 and SFW50S filter wheels are machined with a 2.5mm slot depth to accommodate a common standard for 50mm unmounted filters. However, if your filters are thinner than this, they can sit loosely in the carousel, leading to tilt. A tilted filter can introduce image shift, distorted star shapes, and internal reflections, compromising your data.\u003c\/p\u003e\n\u003cp\u003eThis shim ring fills the excess space, increasing the effective thickness of your filter for a snug, stable fit. By ensuring the filter remains perfectly perpendicular to the optical axis, the shim guarantees consistent focus and optical alignment every time the wheel rotates to a new position.\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\"\u003eWhy do I need this filter shim for my SFW50\/SFW50S filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou need the SFW50\/SFW50S Filter Shim if you are using 50mm unmounted filters that are thinner than the wheel's \u003cstrong\u003e2.5mm slot depth\u003c\/strong\u003e. The shim fills the gap, preventing the filter from tilting or moving, which is critical for maintaining sharp, consistent focus and preventing optical artifacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I know if my 50mm filters are thinner than 2.5mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need to check the technical specifications provided by your filter's manufacturer. Most manufacturers list the thickness of their unmounted filters on the product page or packaging. If the specified thickness is less than 2.5mm, this shim is required for proper installation in an SFW50 or SFW50S wheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat happens if I use a thin 50mm filter in the SFW50 without a shim?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWithout a shim, a thin filter will be loose within the 2.5mm slot. This can cause several problems during an imaging session:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Tilt:\u003c\/strong\u003e The filter can sit at an angle, causing distorted star shapes, especially towards the edge of the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage Shift:\u003c\/strong\u003e As the wheel rotates, the filter can move slightly, causing a shift in the image frame between different filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInconsistent Focus:\u003c\/strong\u003e A tilted filter changes the effective light path length, which can ruin automated focus routines when switching between filters of different thicknesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this SFW50\/SFW50S shim compatible with other brands of filter wheels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis shim is specifically designed for the \u003cstrong\u003e2.5mm slot depth\u003c\/strong\u003e and carousel design of the Wanderer Astro SFW50 and SFW50S filter wheels. While it may physically fit other 50mm filter wheels, compatibility and proper function are not guaranteed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the SFW50\/SFW50S shim affect the optical path?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the shim is a mechanical spacer that sits around the edge of the filter. It does not protrude into the filter's clear aperture and therefore does not block any light or otherwise affect the optical performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the SFW50\/SFW50S filter shim installed?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation is straightforward. You simply place the shim into the filter slot in the carousel first, and then place your thinner-than-2.5mm filter on top of it. The combination of the shim and the filter will then correctly fill the 2.5mm slot, allowing you to secure it as you would a standard filter.\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\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/wanderer-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eWanderer Astro 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wanderer Astro","offers":[{"title":"Default Title","offer_id":52940505186589,"sku":"WA-WSFW50-FS","price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/WandererAstro-SFW50-SFW50S-Filter-Shim-for-50mm-Filters-thinner-than-2-5mm-1_9f06b49c-887a-4588-8c9e-1ac11b559101.jpg?v=1789571399"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/filter-accessories.oembed?page=2","provider":"David Astro","version":"1.0","type":"link"}