{"title":"Filter Wheels \u0026 Drawers","description":null,"products":[{"product_id":"qhyccd-cfw3","title":"QHYCCD CFW3","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMultiple carousel options for 1.25\", 36mm, 2\", and 50mm filters\u003c\/li\u003e\n\u003cli\u003eDirect-drive motor with shortest-path seeking logic\u003c\/li\u003e\n\u003cli\u003eThin body profile enables use with camera lenses\u003c\/li\u003e\n\u003cli\u003eTricolor LED for visual confirmation of filter position\u003c\/li\u003e\n\u003cli\u003eThreaded 12V DC power port for secure connections\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\u003eQHYCCD CFW3 Motorized Filter Wheel\u003c\/h2\u003e\n\u003cp\u003eThe QHYCCD CFW3 series offers robust filter management in 8 different configurations, supporting carousels for filters ranging from 7-position 1.25-inch to 9-position 2-inch formats. Powered by a 12-volt direct-drive motor, the CFW3 uses bidirectional, shortest-path logic to minimize filter change time during automated LRGB or narrowband imaging sequences.\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\u003eShortest-Path Logic: Faster Changes with a 12V Direct-Drive Motor\u003c\/h3\u003e\n\u003cp\u003eUnlike conventional filter wheels that must rotate fully to cycle through positions, the QHYCFW3's motor drive is bidirectional. When you command a filter change, the wheel intelligently calculates the shortest path—clockwise or counter-clockwise—to reach the target filter. This small optimization saves significant time over the course of an imaging session, especially during automated sequences that frequently switch between filters.\u003c\/p\u003e\n\u003cp\u003ePower is supplied via a 12V DC input located on the backplate. The port is threaded to mate securely with compatible power cables, preventing accidental disconnection that could interrupt an exposure or damage equipment.\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\u003e8 Carousel Options: Integrate 1.25\" to 2\" Filters with Camera Lenses\u003c\/h3\u003e\n\u003cp\u003eThe QHYCFW3 is available in multiple \"thin\" and \"standard\" body configurations, with 8 distinct carousel options available for filters from 1.25\" mounted to 50mm unmounted. The thin profile is specifically designed to preserve critical back focus, making it possible to pair the filter wheel with QHY COLDMOS cameras and optional Canon or Nikon lens adapters. This combination lets you shoot wide-field, filtered images through high-quality camera lenses—a capability often impossible with thicker filter wheels.\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\u003eTricolor LED: At-a-Glance Confirmation of up to 9 Filter Positions\u003c\/h3\u003e\n\u003cp\u003eTo provide clear, immediate feedback on the wheel's status, the QHYCFW3 incorporates a tricolor LED indicator. The LED assigns a unique color or color combination to each of the filter positions, with carousels supporting up to 9 filters. This allows you to visually confirm that the wheel has moved to the correct position without having to check your control software, giving you confidence that your imaging plan is proceeding as expected.\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 QHYCFW3 save time compared to other filter wheels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eQHYCFW3\u003c\/strong\u003e uses a direct-drive motor with \u003cstrong\u003eshortest-path logic\u003c\/strong\u003e. Instead of only rotating in one direction, it can move clockwise or counter-clockwise to reach the next filter in the fewest steps. For example, moving from position 7 back to 1 is a single step, not a full seven-step rotation, saving valuable time during automated imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the different colors on the QHYCFW3's LED mean?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tricolor LED on the \u003cstrong\u003eQHYCFW3\u003c\/strong\u003e assigns a unique color or combination of colors to each filter slot in the carousel. This provides instant visual confirmation of the active filter position without needing to consult your software, which is useful for verifying your sequence is running correctly in the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the QHYCFW3 with a Canon or Nikon camera lens for wide-field imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \"thin\" models of the \u003cstrong\u003eQHYCFW3\u003c\/strong\u003e are specifically designed with a minimal profile. This short optical path, when combined with the short back focus of QHY COLDMOS cameras, allows you to install optional lens adapters and achieve focus with Canon or Nikon lenses for wide-field filtered astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power supply does the QHYCFW3 require?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eQHYCFW3\u003c\/strong\u003e operates on \u003cstrong\u003e12V DC power\u003c\/strong\u003e. It features a threaded power port on the backplate to ensure a secure connection that won't accidentally pull out during an imaging session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich QHYCFW3 model should I choose for my QHY268M camera with 36mm unmounted filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor that combination, you would select the \u003cstrong\u003eQHYCFW3M-US\u003c\/strong\u003e model. It is a \"thin\" version designed to hold seven 36mm unmounted filters, which is a perfect match for the sensor size and filter requirements of the QHY268M monochrome camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I know which QHYCFW3 model I am buying?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eQHYCFW3\u003c\/strong\u003e is sold in 8 different versions. Please check the product title and selection on the page to ensure you are purchasing the correct model for your filter size (1.25\", 36mm, 2\", or 50mm) and capacity needs (5, 7, or 9 positions).\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\u003eAvailable Configurations\u003c\/td\u003e\n\u003ctd\u003eQHYCFW3S-US (Thin) 7 x 1.25\", QHYCFW3S-SR (Standard) 7 x 1.25\", QHYCFW3M-US (Thin) 7 x 36mm, QHYCFW3M-US (Thin) 5 x 2\", QHYCFW3L 7 x 2\", QHYCFW3XL 9 x 2\", QHYCFW3M-SR (Standard) 5 x 2\", QHYCFW3M-SR (Standard) 5 x 50mm\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\"\u003eContents may vary depending on the specific model configuration selected.\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.qhyccd.com\/download\/\" 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 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\/qhyccd-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eQHYCCD Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"QHYCFW3S-US (Thin) 7 x 1.25\"","offer_id":44967211663645,"sku":"QHY-110040","price":391.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3S-SR (Standard) 7 x 1.25\"","offer_id":44967211696413,"sku":"QHY-110038","price":391.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3M-US (Thin) 7 x 36mm","offer_id":44967211729181,"sku":"QHY-110045","price":489.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3M-US (Thin) 5 x 2\"","offer_id":49560224039197,"sku":"QHY-110045-5x2","price":489.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3L 7 x 2\"","offer_id":44967211761949,"sku":"QHY-110047","price":867.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3XL 9 x 2\"","offer_id":44967211794717,"sku":"QHY-110048-9x2","price":1679.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3M-SR (Standard) 5 x 2\"","offer_id":44967211827485,"sku":"QHY-110041-5x2","price":489.0,"currency_code":"CAD","in_stock":true},{"title":"QHYCFW3M-SR (Standard) 5 x 50mm","offer_id":44967211893021,"sku":"QHY-110041-5x50","price":489.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/QHYCCD-CFW3-1__46276.1595653760.1280.1280.jpg?v=1684339028"},{"product_id":"baader-universal-filter-changer-ufc-base","title":"Baader Universal Filter Changer (UFC) Base","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eThe foundational component of the Baader Universal Filter Changer (UFC) system\u003c\/li\u003e\n\u003cli\u003eActs as the central chamber for accepting various UFC filter sliders\u003c\/li\u003e\n\u003cli\u003eFeatures S70 dovetail receptors on both sides for telescope and camera adapters\u003c\/li\u003e\n\u003cli\u003eEnables a fully customizable, low-profile filter solution for any imaging train\u003c\/li\u003e\n\u003cli\u003eDesigned to solve complex adaptation and back-focus challenges\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 Universal Filter Changer (UFC) Base\u003c\/h2\u003e\n\u003cp\u003eThe Baader Universal Filter Changer (UFC) Base is the core chassis of Baader's modular filter system, designed to replace rigid, single-purpose filter wheels with a completely adaptable solution. This unit serves as the primary filter chamber, accepting a wide range of filter sliders and connecting to your telescope and camera via the versatile S70 dovetail system. For imagers with multiple optical tubes or cameras, the UFC Base is the key to creating a standardized, low-profile filter setup that can be reconfigured for any target or hardware combination.\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 UFC Base: A Central Chamber for Any Filter\u003c\/h3\u003e\n\u003cp\u003eAt its heart, the UFC Base is a precisely engineered housing for Baader's family of filter sliders. Instead of rotating filters electronically, you manually insert sliders, a design that minimizes back focus and eliminates the large housings required by traditional filter wheels. This approach allows you to quickly swap between entire sets of filters—like LRGB and narrowband—without disassembling your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBaader S70 Dovetail: Universal Adaptation for Your Gear\u003c\/h3\u003e\n\u003cp\u003eThe true power of the UFC Base lies in its dual S70 dovetail receptors. This Baader-specific standard allows the base to connect to a vast ecosystem of adapters, enabling secure, flexure-free attachment to nearly any piece of equipment. Whether you need to connect to M68, M54, M48, SCT threads, or even a specific camera bayonet, there is a UFC adapter to make it possible, ensuring perfect alignment and spacing.\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\u003eUFC Sliders vs. Filter Wheels: The Flexibility Trade-Off\u003c\/h3\u003e\n\u003cp\u003eChoosing the UFC system over an electronic filter wheel is a conscious decision to prioritize flexibility over automation. A filter wheel is ideal for unattended, sequential imaging of a single target. The UFC system, however, excels where a filter wheel cannot: solving critical back-focus issues, accommodating multiple filter sizes in one system, and adapting a single filter setup across entirely different telescopes and cameras without costly duplication of hardware.\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 Base and why do I need it for the UFC system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eBaader UFC Base\u003c\/strong\u003e is the mandatory central component of the Universal Filter Changer system. It functions as the housing or \"chamber\" that holds the filter sliders. You cannot build a UFC assembly without it, as it provides the S70 dovetail connection points for all telescope- and camera-side adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader UFC Base connect to my telescope and camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe UFC Base uses the \u003cstrong\u003eBaader S70 dovetail system\u003c\/strong\u003e on both sides. You must purchase separate UFC adapters to match your specific hardware. For example, you might buy an S70 to 2\" nosepiece adapter for the telescope side and an S70 to M48 adapter for your camera side. This modularity allows it to fit virtually any imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat filter sliders are compatible with the Baader UFC Base?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe UFC Base is designed to work with all Baader UFC filter sliders. These are available for various filter types, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMounted 1.25\" filters\u003c\/li\u003e\n\u003cli\u003eMounted 2\" filters\u003c\/li\u003e\n\u003cli\u003eUnmounted 31mm, 36mm, and 50mm filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader UFC system a better choice than a filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt depends on your needs. A \u003cstrong\u003efilter wheel\u003c\/strong\u003e is better for automated, remote imaging where you need to cycle through filters without manual intervention. The \u003cstrong\u003eUFC system\u003c\/strong\u003e is superior for those who need maximum flexibility, have tight back-focus requirements, use multiple telescopes and cameras, or need to accommodate different filter sizes within one system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow can I integrate the Baader UFC Base with my Celestron SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo use the UFC Base with a Schmidt-Cassegrain telescope, you would typically select the Baader UFC S70 to 2.9\" SCT thread adapter for the telescope side. For the camera side, you would choose the appropriate adapter for your camera's connection (e.g., M48 or M54), ensuring your total back focus remains within the telescope's optimal distance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Baader UFC Base cause vignetting on my fast f\/4 refractor with a full-frame sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe UFC system is designed to be as low-profile as possible, but vignetting always depends on the entire optical train. The clear aperture of the S70 system is quite large. To ensure an unvignetted field with a full-frame sensor, especially on a fast instrument, you should use the largest possible filter sliders (e.g., for 50mm unmounted filters) and select adapters that maintain the widest possible light path, like M68-threaded connections if your system supports them.\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 colspan=\"2\" style=\"text-align:center;\"\u003eNo specifications provided.\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\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNo items listed in the box.\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":44967309279517,"sku":"BAA-2459110","price":85.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-Universal-Filter-Changer-UFC-Base-1__13895.1597110633.1280.1280.jpg?v=1684340384"},{"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-filter-slider-for-2-mounted-filters","title":"Baader UFC Filter Slider - for 2\" Mounted Filters","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eEnables use of standard 2\" mounted filters in the UFC system\u003c\/li\u003e\n\u003cli\u003eAllows for rapid, tool-free filter changes\u003c\/li\u003e\n\u003cli\u003eMaintains a consistent optical path for parfocal results\u003c\/li\u003e\n\u003cli\u003eFeatures standard M48 filter threads for secure mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader Universal Filter Changer (UFC) 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 Filter Slider - for 2\" Mounted Filters\u003c\/h2\u003e\n      \u003cp\u003eThe Baader UFC Filter Slider for 2\" Mounted Filters is the essential component for integrating your existing library of standard 2-inch filters into Baader's modular Universal Filter Changer system. This slider allows you to swap filters in seconds without unthreading any part of your imaging train, providing a secure and repeatable solution for manual filter changes. It is engineered to accept any standard 2\" filter with M48 threads, making it a direct fit for the vast majority of astronomical filters on the market.\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\u003eIntegrate Standard 2\" Filters into the Baader UFC System\u003c\/h3\u003e\n      \u003cp\u003eThis filter slider is the bridge between your collection of 2\" mounted filters and the rigid, adaptable Baader UFC ecosystem. Instead of a bulky filter wheel, the UFC system uses a slim base and interchangeable sliders, and this model is purpose-built for the common 2\" format. By mounting a filter into this slider, you can insert and remove it from the optical path instantly, which is ideal for switching between a light pollution filter and a natural-color filter, or for comparing different narrowband targets.\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\u003eUFC 2\" Slider vs. Other UFC Formats: Choosing the Right Component\u003c\/h3\u003e\n      \u003cp\u003eThe Baader UFC system offers sliders for various filter types, and choosing the correct one is critical. This 2\" mounted slider is designed specifically for observers and imagers who have already invested in standard cell-mounted filters. It provides the lowest-cost entry into the UFC system if you own these filters.\u003c\/p\u003e\n      \u003cp\u003eThis contrasts with other UFC sliders made for unmounted, larger-format filters (e.g., 50mm square), which are typically used in advanced setups with large sensors. If your gear is built around the 2\" standard, this slider is the correct component to ensure compatibility and ease of use within the UFC framework.\u003c\/p\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 main purpose of the Baader UFC 2\" Filter Slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe main purpose of the Baader UFC 2\" Filter Slider is to allow you to use standard, cell-mounted 2-inch filters (with M48 threads) within the Baader Universal Filter Changer (UFC) system. It enables quick, tool-free swapping of filters in your imaging train.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing 2\" narrowband filters with this UFC Filter Slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. This slider is specifically designed for any standard 2\" filter mounted in a cell with M48 threads. This includes virtually all 2\" LRGB, narrowband (H-alpha, OIII, SII), and light pollution filters from major manufacturers.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader UFC Filter Slider install into the UFC Base?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe slider is designed to slide smoothly into the main UFC Base (sold separately) and is held in place securely. This allows you to prepare multiple sliders with different filters and swap them out in the field in just a few seconds without changing focus or camera orientation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader UFC Filter Slider a replacement for an automated filter wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this is a manual solution. The Baader UFC Filter Slider is designed for deliberate, hands-on filter changes. It is not automated and can only hold one filter at a time. It is an excellent choice for simplicity, light weight, and avoiding the backfocus consumption of a larger electronic filter wheel.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging the Orion Nebula (M42) with my SCT, can I quickly swap between an H-alpha and a multi-bandpass filter with this UFC slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. This is a perfect use case. You would have one filter slider for your H-alpha filter and a second one for your multi-bandpass filter. You could capture data with one, then simply slide it out and slide the other one in to capture data on the same target without reframing or refocusing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eI have a refractor with a 2\" focuser. Is this Baader UFC 2\" slider all I need to use my filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. This slider is a component of the larger Baader UFC system. You will also need the \u003cstrong\u003eUFC Base\u003c\/strong\u003e, as well as telescope-side and camera-side adapters to connect the UFC Base to your specific refractor and camera. This slider fits into that complete system.\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\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 2\" Mounted Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thread\u003c\/td\u003e\n\u003ctd\u003eM48 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium Universal Filter Changer (UFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.06\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\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\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":44967309574429,"sku":"BAA-2459112","price":66.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-UFC-Filter-Slider-for-2-inch-Mounted-Filters-1__80335.1597110639.1280.1280.jpg?v=1684340323"},{"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-filter-slider-for-50mm-round-unmounted-filters","title":"Baader UFC Filter Slider - for 50mm Round Unmounted Filters","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for the Baader Universal Filter Changer (UFC) System\u003c\/li\u003e\n\u003cli\u003eSecurely holds one 50mm round unmounted filter\u003c\/li\u003e\n\u003cli\u003eAccepts filter diameters from 50mm to 50.5mm\u003c\/li\u003e\n\u003cli\u003eEnables quick, tool-free filter swaps\u003c\/li\u003e\n\u003cli\u003eMaintains minimal back focus consumption\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 Filter Slider - for 50mm Round Unmounted Filters\u003c\/h2\u003e\n\u003cp\u003eThis Baader UFC Filter Slider is engineered specifically for the Baader Universal Filter Changer (UFC) system, providing a secure, low-profile housing for a single 50mm round unmounted filter. It is designed to accept filters with a diameter from 50mm to 50.5mm, enabling rapid, repeatable filter changes without altering the optical path length.\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 Baader UFC System: A Modular Filtration Platform\u003c\/h3\u003e\n\u003cp\u003eThe Universal Filter Changer is Baader's solution to the problem of integrating filters into complex imaging trains, especially with fast optical systems like Celestron RASA or Starizona HyperStar setups where back focus is minimal. Instead of a bulky filter wheel, the UFC system uses a base plate with a slot for thin, interchangeable filter sliders. This Baader UFC Filter Slider is a core component, allowing you to dedicate one slider to each of your 50mm unmounted filters for maximum efficiency.\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 Mounting for 50mm to 50.5mm Unmounted Filters\u003c\/h3\u003e\n\u003cp\u003eUnmounted 50mm round filters are common in advanced astrophotography, offering a larger clear aperture and lower cost compared to their mounted counterparts. This slider provides a precise, protective housing that secures the filter without stressing the glass. The design accommodates slight variations in filter diameter, accepting filters from 50mm up to 50.5mm, ensuring a snug fit for various manufacturers' products.\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\u003eRapid Filter Changes for Dynamic Imaging\u003c\/h3\u003e\n\u003cp\u003eA key operational advantage of the slider system is the speed of exchange. During an imaging session, you can swap from a luminance filter to an H-alpha filter in seconds by simply ejecting one slider and inserting another. This manual process is faster than many electronic filter wheels and introduces zero additional power or connectivity requirements, simplifying your field setup and troubleshooting.\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\u003eUFC Filter Slider vs. a Filter Wheel: Weight, Speed, and Back Focus\u003c\/h3\u003e\n\u003cp\u003eChoosing between a filter slider and a filter wheel involves clear trade-offs. While a filter wheel offers automation, the UFC slider system excels in specific scenarios.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Focus:\u003c\/strong\u003e The UFC system is significantly thinner than most filter wheels, making it one of the few viable solutions for systems with extremely limited back focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight \u0026amp; Balance:\u003c\/strong\u003e A single slider and UFC base is lighter than a motorized wheel, reducing the load on the focuser and making telescope balance easier to achieve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost:\u003c\/strong\u003e A UFC setup with multiple sliders is often more economical than a multi-position electronic filter wheel, especially for imagers who only use a few filters per session.\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 Baader UFC system and why do I need this 50mm Filter Slider?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Baader Universal Filter Changer (UFC) is a modular system designed to place filters in an optical path with minimal back focus. This \u003cstrong\u003eBaader UFC Filter Slider\u003c\/strong\u003e is the component that holds your filter. You need this specific slider if you use \u003cstrong\u003e50mm round unmounted filters\u003c\/strong\u003e and want to integrate them into your UFC-equipped imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install a 50mm unmounted filter into the Baader UFC Slider?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstalling a filter is straightforward. The slider typically uses a retaining ring or small set screws to hold the unmounted filter in place. You simply place the filter into the recessed circular seat and then secure it with the provided mechanism. This ensures the filter is held firmly and squarely to the optical axis.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader UFC Filter Slider suitable for a Celestron RASA 8 imaging setup?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The Baader UFC system, with sliders like this one for 50mm filters, is one of the most popular filtration solutions for RASA and HyperStar systems. Its extremely thin profile is critical for fitting within the tight back focus constraints of these fast, demanding optical designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use multiple Baader UFC 50mm Filter Sliders during an imaging session?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, that is the intended workflow. Most imagers purchase one slider for each filter they plan to use (e.g., L, R, G, B, Ha, Sii, Oiii). The filters are pre-installed in their respective sliders, allowing you to swap between them in the field in just a few seconds without ever touching the glass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Baader UFC slider work with standard mounted 2\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This specific slider is designed \u003cstrong\u003eonly for 50mm round unmounted filters\u003c\/strong\u003e. Mounted 2\" filters have M48 threads and a larger housing that will not fit. Baader makes other UFC sliders specifically for mounted 2\" filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Baader UFC Filter Slider help when imaging faint targets like the Triangulum Galaxy (M33)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen imaging faint galaxies like M33, you need to capture data through multiple filters (Luminance, Red, Green, Blue, and often H-alpha). The Baader UFC Filter Slider allows you to quickly and reliably switch between these filters with minimal disturbance to the telescope. This ensures all your data channels are captured efficiently and remain parfocal, which is critical for producing a sharp, full-color final image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003e50mm to 50.5mm Round, Unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium Universal Filter Changer (UFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.07\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 Filter Slider for 50mm Round Filters\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.baader-planetarium.com\/en\/downloads\/dl\/file\/id\/474\/product\/2972\/ufc_universal_filter_changer_system_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\"\u003eDownload 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_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":44967309672733,"sku":"BAA-2459113","price":66.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-UFC-Filter-Slider-for-50mm-Round-Unmounted-Filters-1__00829.1597110643.1280.1280.jpg?v=1684340345"},{"product_id":"baader-ufc-filter-slider-for-50mm-square-filters","title":"Baader UFC Filter Slider  - for 50mm Square Filters","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates one 50x50mm unmounted square filter\u003c\/li\u003e\n\u003cli\u003eDesigned for the Baader Planetarium UFC (Universal Filter Changer) System\u003c\/li\u003e\n\u003cli\u003eEnables quick, tool-free manual filter swaps\u003c\/li\u003e\n\u003cli\u003eLow-profile design minimizes back focus consumption\u003c\/li\u003e\n\u003cli\u003eIdeal for large-format sensors to prevent vignetting\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 UFC Filter Slider - for 50mm Square Filters\u003c\/h2\u003e\n      \u003cp\u003eThe Baader UFC Filter Slider for 50mm square filters is the essential component for integrating professional-grade, unmounted filters into Baader's modular Universal Filter Changer system. It is specifically engineered to securely hold one 50x50mm square filter, providing a straight, unobstructed light path for large-format CMOS and CCD sensors. This design is critical for advanced imagers using fast optical systems, ensuring illumination from corner to corner without the vignetting often introduced by smaller filter formats.\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\u003eSeamless Integration with the Baader UFC System\u003c\/h3\u003e\n      \u003cp\u003eThis filter slider is a core component of the Baader UFC, a fully modular system designed to adapt to nearly any telescope and camera combination. The slider inserts smoothly into any UFC Base, allowing you to swap filters in seconds without disassembling your imaging train. This manual approach is reliable, requires no power, and maintains a rigid, flexure-free connection between your camera and telescope.\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\u003eOptimized for Unmounted 50mm Square Filters\u003c\/h3\u003e\n      \u003cp\u003eThe 50x50mm square filter format is the standard for serious astrophotography with full-frame or larger sensors, offering a clear aperture that prevents clipping the light cone of fast instruments like a RASA or HyperStar system. This slider is precisely machined to hold these unmounted filters securely. Using unmounted filters also helps to minimize the total back focus consumed by your filter assembly, a critical factor in complex imaging trains with reducers or flatteners.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e Provides a safe and repeatable method for holding delicate, unmounted glass filters in the optical path.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eVignetting Prevention:\u003c\/strong\u003e The large clear aperture is essential for evenly illuminating sensors with large diagonals, from full-frame (35mm) and beyond.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBack Focus Economy:\u003c\/strong\u003e The slim profile of both the unmounted filter and slider preserves precious back focus for other accessories.\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\u003eRapid, Low-Profile Manual Filter Changes\u003c\/h3\u003e\n      \u003cp\u003eIn the field, speed and simplicity are paramount. The UFC slider system allows you to pre-load multiple sliders with different filters (L, R, G, B, H-alpha, etc.) and exchange them in moments. A magnetic catch ensures the slider clicks firmly into the correct position for imaging, providing tactile feedback that the filter is perfectly centered in the optical path.\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\u003eUFC 50mm Square Slider vs. UFC 2\" Mounted Filter Sliders\u003c\/h3\u003e\n      \u003cp\u003eChoosing the right slider for the Baader UFC system depends entirely on your filter set and sensor size. While both offer the same quick-change convenience, they serve different applications.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompetitor Advantage (2\" Mounted):\u003c\/strong\u003e Sliders for standard 2\" mounted filters are more convenient for handling, as the filter glass is protected by its metal cell. They are ideal for users with existing sets of 2\" round filters and sensors up to APS-C size.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eThis Slider's Advantage (50mm Square):\u003c\/strong\u003e The 50mm square slider is the superior choice for imaging with full-frame or larger sensors, especially in fast optical systems. The larger clear aperture is non-negotiable for preventing vignetting and ensuring the sensor is fully illuminated. It is the professional standard for wide-field, large-sensor systems.\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 system and why do I need this 50mm square filter slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaader Universal Filter Changer (UFC)\u003c\/strong\u003e is a modular system that allows you to place filters in your imaging train. It consists of a main UFC Base and various telescope\/camera adapters. This specific \u003cstrong\u003eUFC Filter Slider\u003c\/strong\u003e is the insert that holds your filter. You need this particular model if you are using professional-grade \u003cstrong\u003e50x50mm unmounted square filters\u003c\/strong\u003e, which are common for imaging with large, full-frame sensors to avoid vignetting.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install an unmounted filter into the Baader UFC slider?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eInstalling an unmounted filter requires careful handling in a clean environment. The slider has a retaining mechanism, typically small screws and a cover plate, that you remove. You then gently place the 50x50mm filter into the recessed seat and re-attach the retainer to hold it securely in place. Always handle unmounted filters by the edges to avoid fingerprints on the optical surfaces.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Baader UFC 50mm Square Filter Slider a good choice for my Celestron RASA 11 and a full-frame camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, it is the ideal choice. A RASA 11 is an extremely fast (f\/2.2) optical system that produces a large, demanding image circle. To avoid clipping the light cone and causing significant vignetting on a full-frame sensor (like one found in a ZWO ASI6200MM Pro), you need the largest possible clear aperture. The 50mm square filter format provided by this slider is designed specifically for this demanding application.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this slider work with my Chroma 50mm square filters?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. This Baader UFC slider is designed for the industry-standard 50x50mm unmounted filter format. It is fully compatible with 50mm square filters from manufacturers like Chroma, Astrodon, and Antlia, provided they meet the standard thickness specifications for unmounted filters.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the advantages of the Baader UFC slider system over a traditional filter wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe UFC slider system offers several advantages, particularly for manual operation:\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower Profile:\u003c\/strong\u003e It often consumes less back focus than a bulky filter wheel.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e A set of sliders is typically more affordable than a motorized filter wheel.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNo Power Required:\u003c\/strong\u003e It's a simple, reliable mechanical solution, perfect for portable setups.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlexibility:\u003c\/strong\u003e You can have as many pre-loaded filter sliders as you need, not limited to the 5 or 7 slots of a wheel.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eThe main trade-off is the lack of automation; a filter wheel can be controlled by software for scripted imaging runs.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow many Baader UFC sliders can I use at once?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou can use only \u003cstrong\u003eone filter slider at a time\u003c\/strong\u003e in the Baader UFC Base. The system is designed for quick manual swapping. You would typically purchase multiple sliders, one for each of your filters (e.g., L, R, G, B, Ha), and exchange them in the UFC Base as you change imaging targets or sequences.\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\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003e50x50mm Unmounted Square Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium Universal Filter Changer (UFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.07\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\"\u003eBaader UFC Filter Slider for 50mm Square Filters\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\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\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":44967309705501,"sku":"BAA-2459114","price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Baader-UFC-Filter-Slider-for-50mm-Square-Filters-1__84387.1597110648.1280.1280.jpg?v=1684340357"},{"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":"zwo-efw-8-x-1-25-or-31mm","title":"ZWO EFW - 8 x 1.25\" or 31mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n    \u003cli\u003e\n        For 1.25\" or 31mm filters\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Easy to install on the telescope and the camera\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Filters are easy to install\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Made with NPM Stepper Motor from Japan\n    \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\u003eDiagrams \u0026amp; Resources\u003c\/li\u003e\n    \u003cli\u003eIn the Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n    \u003cli class=\"active\"\u003e       \n        \u003cdiv\u003e\n            \u003c!-- Title image text --\u003e\n            \u003cdiv class=\"DAV-bg-light\"\u003e\n                \u003c!-- Main Image --\u003e\n                \u003cdiv class=\"DAV-section-center\"\u003e\n                    \u003ch2\u003eZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - Overview\u003c\/h2\u003e\n                    \u003cp\u003e\n                        Compact, Lightweight, and Reliable\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        The ZWO EFW (Electronic Filter Wheel), larger yet impressively lightweight at just 400 grams (14 oz), is the ideal choice for astrophotographers seeking precision and simplicity in filter management.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n            \n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/20f5cedd84256b50847ecab4815be0b4.jpg\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - Slim and Sturdy Design\"\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Slim and Sturdy Design\n                    \u003c\/h3\u003e                \n                    \u003cp\u003e\n                        CNC-milled from aircraft-grade aluminum for durability.\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        Ultra-thin design with a body thickness of just 20 mm, ensuring portability and easy integration into your astrophotography setup.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        High-Quality Stepper Motor\n                    \u003c\/h3\u003e                \n                    \u003cp\u003e\n                        Powered by a reliable NPM stepper motor from Japan, ensuring long-lasting performance and smooth, precise filter rotation.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/fdb518c99db577d8cf73e1d298e469a4.jpg\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - High-Quality Stepper Motor\"\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Efficient Power Usage\n                    \u003c\/h3\u003e                \n                    \u003cp\u003e\n                        Operates with a single USB cable for both power and control.\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        Power consumption is approximately 120mA @ 5V, allowing operation directly through the USB hub of a Cooled ASI Camera.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Filter Compatibility\n                    \u003c\/h3\u003e                \n                    \u003cp\u003e\n                        1.25″ filters: No vignetting with telescopes up to an f\/5 focal ratio.\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        31mm filters: No vignetting with lenses up to f\/2.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/1895f678be061f77d17fd06a214ee97b.jpg\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - Installation Instructions for 1.25 filters\"\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Installation Instructions - For 1.25\" Filters\n                    \u003c\/h3\u003e                \n                    \u003col\u003e\n                        \u003cli\u003eEnsure filters are threaded (length \u0026lt; 3mm) or unthreaded (height \u0026lt; 7mm).\u003c\/li\u003e\n                        \u003cli\u003eRemove the back cover of the EFW.\u003c\/li\u003e\n                        \u003cli\u003eLay the wheel flat and screw in the filters.\u003c\/li\u003e\n                        \u003cli\u003eReattach the back cover.\u003c\/li\u003e\n                    \u003c\/ol\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Installation Instructions - For 31mm Filters\n                    \u003c\/h3\u003e                \n                    \u003col\u003e\n                        \u003cli\u003eUse the included M2 screws and washers.\u003c\/li\u003e\n                        \u003cli\u003eRemove the back cover and lay the wheel flat.\u003c\/li\u003e\n                        \u003cli\u003eCarefully place filters into the designated recesses.\u003c\/li\u003e\n                        \u003cli\u003eAttach washers and secure with screws.\u003c\/li\u003e\n                        \u003cli\u003eReattach the back cover.\u003c\/li\u003e\n                    \u003c\/ol\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/f38717e0038979dd2c25aa97aa2d1c66.jpg\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - Installation Instructions - For 31mm Filters\"\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Ease of Use\n                    \u003c\/h3\u003e                \n                    \u003col\u003e\n                        \u003cli\u003eConnect the EFW via the included USB 2.0 cable.\u003c\/li\u003e\n                        \u003cli\u003eInstall the ASCOM driver to begin operation.\u003c\/li\u003e\n                        \u003cli\u003eControl the EFW via ZWO Filter Wheel (1) or ZWO Filter Wheel (2), allowing simultaneous control of two EFWs within compatible software.\u003c\/li\u003e\n                    \u003c\/ol\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/li\u003e\n    \n    \u003cli\u003e\n        \u003ch2\u003eMechanical Diagram\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/7a159a536f47c017eb492297bb45c270-1.png\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - Diagram\" class=\"\"\u003e\n        \u003ch2\u003eHow to connect with the camera and telescope?\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/11\/8e9267a03f4d32e6fb335580c7f87977.png\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - How to connect with the camera and telescope?\"\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_efw_body.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        8x31mm EFW body\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_1.25_cover.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        1.25″ cover\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_1.25T_Nosepiece.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        T2 nosepiece\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_1.25_holder.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        1.25″ holder(with cover and 2 screws)\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_T2-T2_Adapter.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        T2-T2 adapter(male)\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_A_bag_of_filter_masks.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        A bag of filter masks (9pcs\/bag)\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_USB2.0_Cable.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        USB2.0 2m cable\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_Philips_Screwdriver.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        Phillips screwdriver\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO_8x1.25-31_-_Bag_of_M2_4_screws.png?v=1737476229\" alt=\"ZWO EFW 8 x 1.25″\/31mm Electronic Filter Wheel - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        A bag of M2 screws\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003c!-- Add more items as needed --\u003e\n        \u003c\/ul\u003e          \n    \u003c\/li\u003e\n\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967437107485,"sku":"ZWO-EFW-8x1.25","price":335.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-EFW-8-x-1-25-inch-or-31mm-7-x-36mm-1__90591.1596910055.1280.1280.jpg?v=1684341916"},{"product_id":"zwo-filter-drawer-v2-m42","title":"ZWO Filter Drawer V2 - M42","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccepts standard 2-inch mounted filters\u003c\/li\u003e\n\u003cli\u003eAdds a precise 21mm to the optical path\u003c\/li\u003e\n\u003cli\u003eM42 x 0.75 male threads on the camera side\u003c\/li\u003e\n\u003cli\u003eM48 x 0.75 female threads on the telescope side\u003c\/li\u003e\n\u003cli\u003eMagnetic holder secured by a mechanical lock screw\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 Gen 2 M42 x 0.75 Filter Drawer for 2\" Filters\u003c\/h2\u003e\n\u003cp\u003eThe ZWO Gen 2 M42 x 0.75 Filter Drawer for 2\" Filters integrates into your imaging train with a precise 21mm optical thickness, a critical value for achieving correct back focus with most correctors. It connects to your camera via M42 x 0.75 threads and to your telescope with M48 x 0.75 threads, and includes an M42-M48 adapter ring for additional hardware compatibility. This second-generation design holds any standard 2-inch filter securely, using strong magnets and a mechanical locking screw to eliminate filter shift and light leaks during long exposures.\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\u003eZero-Flexure Holder for 2-Inch Filters\u003c\/h3\u003e\n\u003cp\u003eFor long-exposure astrophotography, any movement or light leak in the optical path can degrade the final image. The Gen 2 drawer addresses this by using powerful magnets to seat the filter holder, which is then secured with a dedicated locking screw. This two-point system ensures the 2-inch filter remains perfectly orthogonal to the light path, preventing tilt and ensuring your flat frames remain valid even after slewing across the sky.\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\u003e21mm Optical Path with M42 \u0026amp; M48 Threads\u003c\/h3\u003e\n\u003cp\u003eAchieving the standard 55mm back focus distance is simplified with this filter drawer's 21mm total optical thickness. The body features M48x0.75 female threads on the telescope side for direct connection to most coma correctors and field flatteners. On the camera side, M42x0.75 male threads provide a secure link to ZWO's lineup of APS-C and smaller cameras. An included M48-M42 adapter ring converts an M48 female thread to M42 female for connecting M42-threaded accessories.\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\u003eGen 2 vs. Gen 1: A Critical Compatibility Note\u003c\/h3\u003e\n\u003cp\u003eThis Gen 2 Filter Drawer is a complete redesign focused on light leak prevention and mechanical stability. As a result, the physical dimensions of the filter holder have changed. Spare filter holders purchased for the first-generation (Gen 1) ZWO M42 filter drawer are not compatible with this Gen 2 housing, and vice-versa. This drawer is a self-contained system and should not be mixed with first-generation components.\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 size filters does the ZWO M42 Filter Drawer V2 accept?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO M42 Filter Drawer V2 is designed to hold standard \u003cstrong\u003e2-inch mounted filters\u003c\/strong\u003e. The internal filter holder has M48x0.75 female threads to accept the male threads on the filter cell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Gen 2 ZWO M42 Filter Drawer compatible with filter holders from the first generation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e This is a critical point of incompatibility. The Gen 2 filter drawer and its holders have been redesigned and are not physically compatible with the holders from the first-generation (Gen 1) ZWO filter drawer. You must use Gen 2 holders with this Gen 2 drawer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ZWO M42 Filter Drawer V2 fit into an imaging train requiring 55mm of back focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter drawer has an optical thickness of \u003cstrong\u003e21mm\u003c\/strong\u003e. On a ZWO camera with 17.5mm of back focus, the camera and drawer together give 38.5mm, so 16.5mm is still needed to reach 55mm (17.5mm + 21mm + 16.5mm = 55mm). Thread the \u003cstrong\u003e16.5mm M48 extender that comes with your ZWO cooled camera\u003c\/strong\u003e onto the telescope side of the drawer. If your imaging train uses an off-axis guider, the ZWO OAG goes in that position instead of the 16.5mm extender.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the thread sizes on the ZWO M42 Filter Drawer V2?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter drawer has two primary connection threads:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope Side:\u003c\/strong\u003e M48x0.75 female threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera Side:\u003c\/strong\u003e M42x0.75 male threads (T-threads).\u003c\/li\u003e\n\u003cli\u003eIt also includes an M48-M42 adapter (M48 to M42 female) for additional configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging the Andromeda Galaxy (M31) with a color camera, how does the ZWO M42 Filter Drawer V2 help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO M42 Filter Drawer V2 allows you to quickly swap between different 2-inch filters without unthreading your camera. For a target like the Andromeda Galaxy (M31), you could capture the core and spiral arms with a broadband light pollution filter (like an L-Pro), then quickly slide in a dual-band filter (like an L-eNhance or L-eXtreme) to gather H-alpha data from the star-forming regions, all within the same imaging session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the locking mechanism on the ZWO M42 Filter Drawer V2 prevent imaging problems?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe system uses both magnets for initial seating and a \u003cstrong\u003emanual lock screw\u003c\/strong\u003e for final security. This prevents the filter from shifting as the telescope slews, which can cause optical tilt and ruin guiding or image sharpness. The tight seal created by this system also blocks stray light, which is essential for eliminating gradients and reflections during long exposures.\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-FD-M42-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Type\u003c\/td\u003e\n\u003ctd\u003eFilter Drawer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003e2\" Mounted Filters (M48x0.75 threads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Thickness\u003c\/td\u003e\n\u003ctd\u003e21 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Side Threads\u003c\/td\u003e\n\u003ctd\u003eM48 x 0.75 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Threads\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75 Male\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\"\u003eGen 2 M42 Filter Drawer Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eGen 2 Filter Holder for 2\" Filters\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM42-M48 Adapter 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:\/\/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 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\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967438844189,"sku":"ZWO-FD-M42-II","price":111.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Drawer-M42-1__48345.1645724856.1280.1280.jpg?v=1684341956"},{"product_id":"zwo-filter-drawer-v2-m54","title":"ZWO Filter Drawer V2 - M54","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects to M54 x 0.75 threaded accessories\u003c\/li\u003e\n\u003cli\u003eAccepts standard 2\" mounted filters\u003c\/li\u003e\n\u003cli\u003eMagnetic holder for quick filter changes\u003c\/li\u003e\n\u003cli\u003eAdjustable tension screw prevents filter tilt\u003c\/li\u003e\n\u003cli\u003eIncludes M54 male to M48 female adapter\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 Gen 2 M54 x 0.75 Filter Drawer for 2\" Filters\u003c\/h2\u003e\n\u003cp\u003eThe ZWO Gen 2 M54 Filter Drawer allows for quick, manual changes of standard 2\" filters within your M54 threaded imaging train. The included M54 male to M48 female adapter plate creates a flexible connection to a wide range of M48-threaded field flatteners and correctors, ensuring a secure, vignetting-free light 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\u003eSecure Magnetic Holder for 2\" Filters\u003c\/h3\u003e\n\u003cp\u003eSwapping filters in the dark is simplified by the magnetic filter holder, which snaps securely into the drawer body. For an even more robust connection, a side-mounted tension screw lets you adjust the fit, eliminating any possibility of movement or tilt that could compromise your flat frames or focus.\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\u003eM54 \u0026amp; M48 Threads for Full-Frame Imaging\u003c\/h3\u003e\n\u003cp\u003eNative M54 x 0.75 male and female threads allow for direct integration into larger imaging trains common with full-frame sensors and large correctors. To maximize compatibility, ZWO includes an M54 to M48 adapter, letting you connect directly to M48-threaded field flatteners, correctors and other accessories.\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\u003eZWO Filter Drawer Gen 2 vs. Gen 1\u003c\/h3\u003e\n\u003cp\u003eThis second-generation drawer introduces a significantly improved internal seal, a critical upgrade that reduces stray light and internal reflections during long exposures. The Gen 2 model also uses stronger magnets for a more positive and secure lock when the filter holder is inserted.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Light Sealing:\u003c\/strong\u003e Reduces internal reflections and light leaks for cleaner long-exposure images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger Magnets:\u003c\/strong\u003e Ensure a firm, repeatable seating of the filter holder every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e The Gen 2 drawer is only compatible with Gen 2 filter holders. It will not work with holders from the first-generation ZWO filter drawer.\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 threads does the ZWO Gen 2 M54 Filter Drawer use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe drawer body has an \u003cstrong\u003eM54 x 0.75 female thread\u003c\/strong\u003e on the telescope side and an \u003cstrong\u003eM54 x 0.75 male thread\u003c\/strong\u003e on the camera side. It also includes an \u003cstrong\u003eM54 male to M48 female adapter\u003c\/strong\u003e for connecting M48-threaded flatteners or accessories on the telescope side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my old ZWO Gen 1 filter holders with the Gen 2 M54 Filter Drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO Gen 2 M54 Filter Drawer is not backward-compatible. It is designed to work exclusively with the new \u003cstrong\u003eGen 2 filter holders\u003c\/strong\u003e due to changes in the design that improve light sealing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size filters fit in the ZWO M54 Filter Drawer V2?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe included filter holder is designed to accept standard \u003cstrong\u003e2\" mounted astronomical filters\u003c\/strong\u003e, which use M48 x 0.75 threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the ZWO M54 Filter Drawer to my ZWO camera with M42 threads?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis drawer is optimized for full-frame cameras with M54 or M48 threads. To connect to a camera with smaller M42 threads (common on APS-C or smaller sensors), you would need an additional adapter on the camera side to convert the drawer's M54 male thread to your camera's M42 thread. The included M54-to-M48 ring is used on the telescope side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm using an f\/4 Newtonian with a full-frame camera. Will the ZWO M54 Filter Drawer cause tilt?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO Gen 2 M54 Filter Drawer is designed to minimize tilt. The combination of strong magnets and the adjustable side tension screw creates a very rigid connection. By tightening the screw, you can eliminate any play between the holder and the drawer body, ensuring the filter remains orthogonal to the light path, which is critical in fast optical systems like an f\/4 Newtonian.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the small screw on the side of the ZWO Gen 2 M54 Filter Drawer body for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThat is the \u003cstrong\u003etension adjustment screw\u003c\/strong\u003e. It allows you to increase the pressure on the inserted filter holder. This provides two benefits: it ensures a tight fit with zero movement for imaging, and it acts as a safety lock to prevent the holder from accidentally being pulled out.\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-FD-M54-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFilter Accessory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM54 x 0.75 Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Connection\u003c\/td\u003e\n\u003ctd\u003eM54 x 0.75 Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Included\u003c\/td\u003e\n\u003ctd\u003eM54 Male to M48 Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 2\" Mounted Filters (M48 x 0.75)\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 Gen 2 M54 Filter Drawer Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eZWO Gen 2 Filter Holder for 2\" Filters\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eZWO M54 Male to M48 Female Adapter 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:\/\/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 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":44967439302941,"sku":"ZWO-FD-M54-II","price":111.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Drawer-M54-1__46387.1596910056.1280.1280.jpg?v=1684341973"},{"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":"zwo-filter-drawer-for-eos-lens","title":"ZWO Filter Drawer for EOS Lens","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects Canon EOS lenses to ZWO ASI cameras\u003c\/li\u003e\n\u003cli\u003eAccepts standard 2\" mounted filters\u003c\/li\u003e\n\u003cli\u003eMagnetic holder for secure, fast filter changes\u003c\/li\u003e\n\u003cli\u003eAdds 26.5mm of optical thickness\u003c\/li\u003e\n\u003cli\u003eM42x0.75 camera-side thread\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 Filter Drawer for EOS Lens\u003c\/h2\u003e\n\u003cp\u003eThe ZWO Filter Drawer for EOS Lens creates the critical link between your Canon EOS lenses and ZWO ASI cooled cameras, enabling the use of 2\" mounted filters within a minimal 26.5mm optical path. It is engineered specifically for ASI cameras with 17.5mm of back focus and connects via a standard M42x0.75 thread, allowing you to turn your high-quality DSLR lenses into true astrographs for narrowband or light pollution 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\u003eIntegrate 2\" Filters with Canon EOS Lenses\u003c\/h3\u003e\n\u003cp\u003eThis drawer solves the primary challenge of using DSLR lenses for serious astrophotography: adding filtration. By accepting a standard 2\" mounted filter, you can now use your EOS or EF-S lenses with multi-bandpass nebula filters or aggressive narrowband filters to capture high-contrast images of emission nebulae like the North American Nebula (NGC 7000) from light-polluted skies.\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 Holder for a 26.5mm Optical Path\u003c\/h3\u003e\n\u003cp\u003eThe core of the design is a magnetic slide-in holder that secures the 2\" filter with no threads to cross or jam in the dark. This system provides a positive, repeatable seating that maintains optical alignment shot after shot. At only 26.5mm thick, the entire assembly is compact enough to maintain focus with a wide range of EOS lenses when paired with a compatible 17.5mm back focus ZWO camera.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Magnetic Retention:\u003c\/strong\u003e Prevents the filter holder from accidentally sliding out, even when the telescope is pointed at zenith.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Filter Swaps:\u003c\/strong\u003e Makes it possible to switch between a light pollution filter and a narrowband filter in seconds without disassembling the camera train.\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\u003eM42 Threads and M54 Adapter for ASI Camera Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe drawer features a native male M42x0.75 thread for direct connection to ZWO's smaller-format cooled cameras. For imagers using full-frame sensors, ZWO includes an M54M-M42F adapter. This ensures you can connect the filter drawer to larger cameras while maintaining the correct spacing and avoiding vignetting, making it a flexible solution for a wide range of ZWO's cooled camera lineup (excluding the ASI GT series).\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 ASI cameras are compatible with the ZWO Filter Drawer for EOS Lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter drawer is designed for ZWO ASI cooled cameras that have a \u003cstrong\u003e17.5mm back focus\u003c\/strong\u003e distance. This includes many popular models, but it explicitly excludes the ASI GT series, which has an integrated 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 ZWO FD-EOS with my Canon EF-S lens and an ASI294MC Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The drawer is compatible with both Canon EOS and EF-S lenses. The ASI294MC Pro has the required 17.5mm back focus, making this combination a perfect match for wide-field astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach a full-frame camera like the ASI6200MC Pro to the ZWO FD-EOS?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou use the included \u003cstrong\u003eM54M-M42F adapter\u003c\/strong\u003e. The filter drawer has a native M42 male thread. The adapter converts this to an M54 male thread, which is required to connect to full-frame ASI cameras like the ASI6200 series.\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 magnetic system in the ZWO FD-EOS?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe magnetic holder allows for quick and easy filter changes without needing to unscrew anything in your imaging train. This is especially useful in the dark, as it reduces the risk of dropping a filter or upsetting the camera's rotation and focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat type of filters fit in the ZWO FD-EOS Filter Drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe drawer is designed to hold one standard \u003cstrong\u003e2\" mounted filter\u003c\/strong\u003e. The internal thread of the holder is M48x0.75, which is the standard for this filter size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the ZWO FD-EOS Filter Drawer cause vignetting with my lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen used with the appropriate camera sensor size, vignetting should be minimal. Using a 2\" filter is sufficient for up to full-frame sensors. The included M54 adapter for larger cameras also helps ensure the light path is not obstructed.\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-FD-EOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Type\u003c\/td\u003e\n\u003ctd\u003eFilter Drawer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Compatibility\u003c\/td\u003e\n\u003ctd\u003eCanon EOS \/ EF-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Compatibility\u003c\/td\u003e\n\u003ctd\u003eZWO ASI Cooled Cameras with 17.5mm back focus (excluding GT series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Compatibility\u003c\/td\u003e\n\u003ctd\u003e2\" Mounted (M48x0.75 thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera-Side Thread\u003c\/td\u003e\n\u003ctd\u003eMale M42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Thickness\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e70mm\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 Filter Drawer for EOS Lens\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M-M42F 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\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 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":44967454769437,"sku":"ZWO-FD-EOS","price":139.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Drawer-EOS-Lens-3__75070.1597109331.1280.1280.jpg?v=1684342388"},{"product_id":"sbig-cfw-402-rgbc-for-stf-402","title":"SBIG CFW-402 RGBC for STF-402","description":"\u003c!-- more --\u003e\u003cdiv\u003eThis is the internal filter wheel for the SBIG STF-402M only. It contains very high quality interference filters custom made for this camera. Note that the filters are permanently attached to the filter carousel and cannot be changed.\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967713440029,"sku":"DL-CFW-402-RGB","price":505.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-CFW-402-RGBC-for-STF-402-1__52466.1600282394.1280.1280.jpg?v=1684345594"},{"product_id":"sbig-fw8-8300-for-stf","title":"SBIG FW8-8300 for STF","description":"\u003c!-- more --\u003e\u003cdiv\u003eCompatible with:\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e12 VDC\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComputer Interface\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eI2C\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e1.35 lbs\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e36mm \/ 1.25\"\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eDownloads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003eUser’s Manual\u003c\/h4\u003e\n\u003cp\u003eInstallation, and operation instructions for the FW8-8300 Filter Wheel.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_fw5_or_fw8_8300_filter_wheel.pdf?v=1684345443\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003cp\u003e\u003c\/p\u003e\n\u003ch4\u003eBackfocus Table\u003c\/h4\u003e\n\u003cp\u003eBackfocus configuration table\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_backfocus.993x0.gif?v=1684345406\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967713734941,"sku":"DL-FW8-8300","price":1709.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-FW8-8300-for-STF-1__85487.1600282395.1280.1280.jpg?v=1684345545"},{"product_id":"sbig-aluma-8-x-36mm-filter-wheel","title":"SBIG Aluma 8 x 36mm Filter Wheel","description":"\u003c!-- more --\u003e\u003cdiv\u003eFW8S-Aluma is the standard (non-guided) 8-position filter wheel for Aluma Series cameras. This filter wheel does not have abuilt-in self-guiding image sensor. It is compatible withCanon EOS and Nikon lens adapters.\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e36mm \/ 1.25\"\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e1.8 lbs\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWindows 32 and 64 bit, Mac, Linux, iOS, Android\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eDownloads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003eUser’s Manual\u003c\/h4\u003e\n\u003cp\u003eThe Aluma system manual includes instructions for all Aluma cameras and filter wheels. \u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_AlumaUsersManual.pdf?v=1684345283\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003cp\u003e\u003c\/p\u003e\n\u003ch4\u003eBackfocus Table\u003c\/h4\u003e\n\u003cp\u003eBackfocus configuration table\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_backfocus.993x0.gif?v=1684345406\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967713800477,"sku":"DL-FW8S-Aluma","price":1989.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-Aluma-8-x-36mm-Filter-Wheel-1__99101.1600282395.1280.1280.jpg?v=1684345549"},{"product_id":"sbig-stxl-8-x-36mm-filter-wheel","title":"SBIG STXL  8 x 36mm Filter Wheel","description":"\u003c!-- more --\u003e\u003cdiv\u003eThe SBIG FW8S-STXL provides 8 filter slots for all SBIG STXL camera models.\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e36mm \/ 1.25\"\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e2 lbs\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eDownloads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003eUser’s Manual\u003c\/h4\u003e\n\u003cp\u003eInstallation, and operation instructions for FW8S\/FW8G-STT Filter Wheels.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_stt_filterwheel_manual_080812.pdf?v=1684345452\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003cp\u003e\u003c\/p\u003e\n\u003ch4\u003eBackfocus Table\u003c\/h4\u003e\n\u003cp\u003eBackfocus configuration table\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_backfocus.993x0.gif?v=1684345406\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967714816285,"sku":"DL-FW8S-STXL","price":2130.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-STXL-8-x-36mm-Filter-Wheel-1__61176.1600282396.1280.1280.jpg?v=1684345597"},{"product_id":"sbig-stx-5-x-65mm-square-filter-wheel","title":"SBIG STX 5 x 65mm Square Filter Wheel","description":"\u003c!-- more --\u003e\u003cdiv\u003eSpecial order only.\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComputer Interface\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eI2C\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e4.35 lbs\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e65mm Square\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eDownloads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003eUser’s Manual\u003c\/h4\u003e\n\u003cp\u003eInstallation, and operation instructions for FW5\/FW7-STX Filter Wheels.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_fw5_fw7_stx_installation_guide.pdf?v=1684345457\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003cp\u003e\u003c\/p\u003e\n\u003ch4\u003eBackfocus Table\u003c\/h4\u003e\n\u003cp\u003eBackfocus configuration table\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_backfocus.993x0.gif?v=1684345406\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967715209501,"sku":"DL-FW5-STX","price":2829.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-STX-5-x-65mm-Square-Filter-Wheel-1__62053.1656444212.1280.1280.jpg?v=1684345599"},{"product_id":"sbig-stx-7-x-50mm-square-filter-wheel","title":"SBIG STX 7 x 50mm Square Filter Wheel","description":"\u003c!-- more --\u003e\u003cdiv\u003eThe SBIG FW7-STX is a 7-Position, 50mm square filter wheel for STX and Aluma AC series cameras.\u003cp\u003eThe SBIG FW7-STX is a 7-Position, 50mm square filter wheel for STX and Aluma AC series cameras.\u003c\/p\u003e\n\u003cp\u003eWorks with the \u003ca href=\"https:\/\/diffractionlimited.com\/product\/stx-guider\/\"\u003eSTX Guider \u003c\/a\u003eor \u003ca href=\"https:\/\/diffractionlimited.com\/product\/sc-3\/\"\u003eStarChaser SC-3\u003c\/a\u003e for self-guiding with the sensor in front of the filter wheel.\u003c\/p\u003e\n\u003cp\u003eWe recommend 2mm thick,  50mm x 50mm square unmounted filters.\u003c\/p\u003e\n\u003cp\u003eIt is possible to install 3mm filters if you do not fully tighten the carousel filter retainer screws.\u003c\/p\u003e\n\u003cp\u003eThin 1mm filters are not recommended, and will require shims, not available from us.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eSpecifications\u003c\/p\u003e\n\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComputer Interface\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eI2C\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e4.4 lbs\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e50mm Square\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv data-custom-tab\u003e\n\u003cp data-custom-tab-title\u003eDownloads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003eUser’s Manual\u003c\/h4\u003e\n\u003cp\u003eInstallation, and operation instructions for FW5\/FW7-STX Filter Wheels.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_fw5_fw7_stx_installation_guide.pdf?v=1684345457\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003cp\u003e\u003c\/p\u003e\n\u003ch4\u003eBackfocus Table\u003c\/h4\u003e\n\u003cp\u003eBackfocus configuration table\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/t\/7\/assets\/description_image_backfocus.993x0.gif?v=1684345406\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SBIG","offers":[{"title":"Default Title","offer_id":44967715275037,"sku":"DL-FW7-STX","price":2689.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/SBIG-STX-7-x-50mm-Square-Filter-Wheel-1__61830.1656444221.1280.1280.jpg?v=1684345600"},{"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":"zwo-filter-drawer-for-nikon-lens","title":"ZWO Filter Drawer for Nikon Lens","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Nikon lenses to ZWO ASI cooled cameras\u003c\/li\u003e\n\u003cli\u003eAccepts standard 2-inch (M48x0.75 thread) mounted filters\u003c\/li\u003e\n\u003cli\u003eUltra-thin 29 mm profile maintains focus\u003c\/li\u003e\n\u003cli\u003eIncludes M54M-M42F adapter for full-frame camera compatibility\u003c\/li\u003e\n\u003cli\u003eDouble magnetic holder for secure, rapid 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\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 Filter Drawer for Nikon Lens\u003c\/h2\u003e\n\u003cp\u003eThe ZWO Filter Drawer for Nikon Lens seamlessly connects your Nikon F-mount lens to a ZWO ASI cooled camera, adding an integrated slot for 2-inch filters within a minimal 29 mm optical path. This drawer features a standard male M42x0.75 camera-side thread and includes an M54M-M42F adapter to ensure full-frame cameras like the ASI6200 or ASI2400 are fully illuminated. The filter holder itself uses a strong double magnetic lock to secure standard M48x0.75 threaded 2-inch filters, allowing for rapid swaps without unthreading your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWide-Field Imaging with 2-inch Filters and Nikon Glass\u003c\/h3\u003e\n\u003cp\u003eThis filter drawer unlocks the potential of high-end Nikon telephoto lenses for serious astrophotography. By placing a 2-inch filter slot directly behind the lens and in front of the camera sensor, you can now use duo-band, narrowband, or L-Pro filters with fast camera lenses to capture sprawling nebulae and star fields. The 29 mm total thickness is engineered to help achieve focus with ZWO cameras that have a 17.5 mm back focus distance.\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 M48x0.75 Magnetic Holder for Rapid Swaps\u003c\/h3\u003e\n\u003cp\u003eChanging filters in the dark is simplified by the drawer's double magnetic absorption design. The holder secures any standard 2-inch mounted filter with an M48x0.75 thread, preventing slips or tilting while ensuring a flat optical plane. You can swap from a light pollution filter to a narrowband filter in seconds without risking changes to focus or camera 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\u003eM42 Thread with Full-Frame M54 Adapter Included\u003c\/h3\u003e\n\u003cp\u003eOut of the box, the filter drawer presents a male M42x0.75 thread, making it directly compatible with popular cameras like the ASI533MC Pro and ASI183MC Pro. For imagers using full-frame sensors, ZWO includes an M54M-M42F adapter. This steps up the connection to the larger M54 thread on cameras like the ASI6200 and ASI2400, preventing vignetting and ensuring the entire sensor is illuminated by your Nikon lens.\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 ZWO Filter Drawer for Nikon Lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO FD-NIKON is designed to connect a Nikon F-mount lens to a ZWO ASI cooled camera. Its primary function is to add a slot for a \u003cstrong\u003e2-inch mounted filter\u003c\/strong\u003e into the imaging train, allowing you to use specialized filters for astrophotography with your camera lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich ZWO cameras are compatible with the FD-NIKON filter drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter drawer is compatible with most ZWO ASI cooled cameras that have a 17.5 mm back focus distance. This includes popular models such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI1600, ASI294, ASI183, ASI071, ASI533\u003c\/li\u003e\n\u003cli\u003eASI2600 (APS-C)\u003c\/li\u003e\n\u003cli\u003eASI6200, ASI2400 (Full-Frame, using the included adapter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is not compatible with ASI GT series cameras.\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 FD-NIKON use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe drawer is designed for standard \u003cstrong\u003e2-inch mounted filters\u003c\/strong\u003e. These filters must have an \u003cstrong\u003eM48x0.75 thread\u003c\/strong\u003e to screw into the magnetic filter holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach the ZWO Filter Drawer to a full-frame camera like the ASI6200?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo connect to a full-frame camera like the ASI6200 or ASI2400, you must use the included \u003cstrong\u003eM54M-M42F adapter\u003c\/strong\u003e. First, thread the M54 male side of the adapter into your camera's M54 female port. Then, thread the filter drawer's M42 male port into the adapter's M42 female side. This ensures a wide, unvignetted light path to the large sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO Filter Drawer for Nikon Lens to image the Andromeda Galaxy (M31) with my telephoto lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. Using this drawer with a Nikon telephoto lens (e.g., 200mm or 300mm) and a ZWO camera is an excellent setup for large targets like the Andromeda Galaxy (M31) or the Orion Nebula (M42). You can insert a light pollution filter like an L-Pro to enhance contrast from a suburban location, capturing the galaxy's full expanse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much thickness does the ZWO FD-NIKON add to the optical path?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter drawer adds exactly \u003cstrong\u003e29 mm\u003c\/strong\u003e of optical path length between your Nikon lens and the camera sensor. This thickness is specifically designed to work with ZWO cameras that require 17.5 mm of back focus to reach infinity focus with the lens.\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-FD-NIKON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Type\u003c\/td\u003e\n\u003ctd\u003eFilter Drawer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Mount\u003c\/td\u003e\n\u003ctd\u003eNikon F-Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Included\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F (for full-frame cameras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccepted Filter Size\u003c\/td\u003e\n\u003ctd\u003e2-inch Mounted\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\u003eOptical Path Thickness\u003c\/td\u003e\n\u003ctd\u003e29 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Diameter\u003c\/td\u003e\n\u003ctd\u003e70 mm\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 Drawer for Nikon Lens\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M-M42F 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\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 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":44967894352157,"sku":"ZWO-FD-NIKON","price":139.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-Filter-Drawer-EOS-Lens-3__75070.1597109331.1280.1280__95131.1620143947.1280.1280.jpg?v=1684346606"},{"product_id":"starizona-modular-filter-slider-plates","title":"Starizona Modular Filter Slider Plates","description":"\u003c!-- more --\u003eStarizona Modular Filter Slider Plates","brand":"Starizona","offers":[{"title":"M54 - Male","offer_id":44968075100445,"sku":"STZ-MFS-PLATE-54M","price":56.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Starizona-Filter-Slider-Plate-Options__13876.1677014311.1280.1280.jpg?v=1684348729"},{"product_id":"zwo-efw-7-x-50mm-square-filter-wheel","title":"ZWO EFW - 7 x 50mm Square Filter Wheel","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds seven 50mm square unmounted filters\u003c\/li\u003e\n\u003cli\u003eDesigned for large-format sensors like the ZWO ASI461MM Pro\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on connection for maximum rigidity\u003c\/li\u003e\n\u003cli\u003ePowered and controlled via a single USB 2.0 cable\u003c\/li\u003e\n\u003cli\u003eASCOM and ASIAIR compatible\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 7 Position Electronic Filter Wheel for 50mm Square Filters\u003c\/h2\u003e\n\u003cp\u003eThe ZWO EFW-7X50 holds 7 different 50mm square filters for automated imaging, a format required to prevent vignetting on large medium-format sensors. Its design uses 12 M2.5x6 screws for direct attachment and draws power from a 2m USB 2.0 cable, creating a rigid and reliable 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\u003e7 Positions for 50mm Square Filters\u003c\/h3\u003e\n\u003cp\u003eThis wheel's 7-filter capacity lets you load an entire LRGB and narrowband (SHO) filter set at once, enabling fully automated imaging sequences without manual changes. The 50mm square format is specifically chosen to ensure the light cone fully illuminates large sensors, such as the medium-format chip in the ASI461MM Pro, from corner to corner.\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\u003eDirect-Bolt Integration Using 12 M2.5x6 Screws\u003c\/h3\u003e\n\u003cp\u003eUnlike universal filter wheels that rely on threaded connections, the ZWO EFW-7X50 bolts directly to the ZWO ASI461MM Pro camera body and M68 OAG. This connection, secured by the included 12 M2.5x6 screws, forms a single, rigid unit that eliminates the potential for tilt or flexure common in heavy, threaded imaging trains. This design choice prioritizes stability over universal compatibility.\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\u003eReliable Filter Changes via USB 2.0\u003c\/h3\u003e\n\u003cp\u003eA high-quality NPM stepper motor ensures precise, repeatable filter positioning with bidirectional movement for the shortest path. The entire unit is powered and controlled through a single USB 2.0 connection, minimizing cable clutter. ZWO includes both a 2m and a 0.5m cable to accommodate different setups, and the wheel is fully supported by ASIAIR and ASCOM platforms for seamless integration with your acquisition software.\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\u003eEliminating Vignetting: 50mm Square vs. M48 Threaded Filters\u003c\/h3\u003e\n\u003cp\u003eFor imagers using medium-format sensors, standard 2-inch filters with M48 threads become the bottleneck in the optical path. Their sub-48mm clear aperture physically blocks light from reaching the corners of a large sensor, causing significant vignetting and data loss. The ZWO EFW-7X50 solves this by using unmounted 50mm square filters, which offer a clear aperture wide enough to deliver an evenly illuminated field across the entire sensor, preserving both signal and star shape to the edge of the frame.\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 ZWO EFW-7X50 for a camera like the ASI461MM Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA medium-format sensor like the one in the ASI461MM Pro is physically larger than the clear aperture of a standard 2-inch threaded filter. Using smaller filters will cause vignetting, where the corners of your images are dark. The \u003cstrong\u003eZWO EFW-7X50\u003c\/strong\u003e uses \u003cstrong\u003e50mm square filters\u003c\/strong\u003e to ensure the entire sensor is illuminated, preventing data loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use standard 2-inch round threaded filters in the ZWO EFW-7X50?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This filter wheel is specifically designed for \u003cstrong\u003e50mm x 50mm unmounted square filters\u003c\/strong\u003e. It does not have the M48 threads required to accept standard 2-inch mounted filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO EFW-7X50 require a separate 12V power supply?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it does not. The filter wheel is powered and controlled entirely through its \u003cstrong\u003eUSB 2.0 port\u003c\/strong\u003e, using the included USB cable. This simplifies cable management at the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the ZWO EFW-7X50 filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can control the ZWO EFW-7X50 using a \u003cstrong\u003eZWO ASIAIR\u003c\/strong\u003e device or through a computer running any \u003cstrong\u003eASCOM-compatible\u003c\/strong\u003e astrophotography software, such as N.I.N.A. or Sequence Generator Pro.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm imaging the Andromeda Galaxy (M31) with the ASI461MM, will this filter wheel illuminate the entire sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 50mm square filter format of the ZWO EFW-7X50 is designed for exactly this scenario. It provides an unvignetted field of view for large targets like the Andromeda Galaxy (M31) on large sensors, ensuring even illumination from one edge of the galaxy to the other.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the process for an automated LRGB sequence on the Cygnus Loop (NGC 6960) with the ZWO EFW-7X50?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith the ZWO EFW-7X50 loaded with L, R, G, and B filters, you can use software like the ASIAIR or ASCOM-based programs to create an automated plan. You would define the number and length of exposures for each filter, and the software will command the wheel to switch to the correct filter automatically between sets, allowing you to capture all the data for the Cygnus Loop (NGC 6960) in a single unattended session.\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-EFW-7X50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Positions\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e50mm Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eDrop-In (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\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\"\u003e7x50mm Electronic Filter Wheel Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e2m USB 2.0 Right-Angle Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5m USB 2.0 Right-Angle Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e2.0x75 mm Phillips Screwdriver\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e50x50mm Filter Masks\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003eDarkening Rings Set\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 12\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 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\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47152411148573,"sku":"ZWO EFW-7x50","price":849.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-7x50.jpg?v=1700254303"},{"product_id":"pegasus-astro-indigo-filter-wheel-7-x-2","title":"Pegasus Astro Indigo Filter Wheel - 7 x 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds seven 2-inch mounted or 50mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eUltra-thin 19.0mm CNC-milled aluminum body\u003c\/li\u003e\n\u003cli\u003eStepper motor with optical encoders for precise positioning\u003c\/li\u003e\n\u003cli\u003eSingle USB2 Type B cable for both power and control\u003c\/li\u003e\n\u003cli\u003eVersatile M54, M42, and direct camera mounting patterns\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\u003eIndigo Filter Wheel 7-Position for 2-inch Filters\u003c\/h2\u003e\n\u003cp\u003eThe Indigo Filter Wheel integrates a 7-position carousel for 2-inch or 50mm unmounted filters into an exceptionally thin 19.0mm CNC-milled aluminum body. Power and control are handled by a single USB2 Type B cable, eliminating extra power supplies from your imaging train. A combination of a direct-drive stepper motor and optical encoders provides deadly accurate filter selection, moving to each position via the shortest possible path to minimize downtime between exposures.\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\u003e7-Position Carousel: High-Precision Selection for 2-inch Filters\u003c\/h3\u003e\n\u003cp\u003eDesigned for serious imagers, the carousel holds seven different 2-inch mounted or 50mm unmounted filters, enough for LRGB, narrowband SHO, and a photometric filter in a single configuration. The direct-drive stepper motor and optical encoders ensure the wheel lands on the precise filter center every time, rotating either clockwise or counter-clockwise. This system uses a shortest-path algorithm, automatically calculating the most efficient direction to move, saving critical seconds during an automated imaging sequence.\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\u003eUltra-Thin 19.0mm Profile: Minimal Back Focus Consumption\u003c\/h3\u003e\n\u003cp\u003eEvery millimeter of back focus is critical. The Indigo Filter Wheel is engineered from high-quality CNC-milled aluminum, allowing for a main body thickness of only 19.0mm (19.6mm with adapters). This slim profile frees up valuable space in your imaging train for off-axis guiders, rotators, or adaptive optics, making it possible to achieve focus on systems with tight back focus requirements.\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\u003eSingle-Cable Simplicity: USB2 Power and Flexible M54\/M42 Mounting\u003c\/h3\u003e\n\u003cp\u003eThe Indigo Filter Wheel streamlines your setup by requiring only a single USB2 Type B cable for both power and data, reducing cable drag and potential snags. Both sides of the wheel feature M54 openings with innovative slide adapters, allowing you to loosen the screws and rotate your camera or telescope connection for perfect alignment. For direct camera attachment, the wheel includes a 6-hole pattern on a 62mm diameter circle, a 4-hole pattern for PlayerOne cameras, and a male M42 x 0.75mm thread, ensuring broad compatibility across many brands.\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 filter sizes does the Indigo Filter Wheel accept?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Indigo Filter Wheel has a 7-position carousel that accepts standard \u003cstrong\u003e2-inch mounted filters\u003c\/strong\u003e or \u003cstrong\u003e50mm unmounted filters\u003c\/strong\u003e. The maximum diameter for unmounted filters should not exceed 50.8mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Indigo Filter Wheel powered?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt uses a single-cable solution. All power and data commands are handled through one \u003cstrong\u003eUSB2 (Type B) cable\u003c\/strong\u003e connected to your computer or control hub. No separate 12V DC power supply is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the exact back focus consumption of the Indigo Filter Wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe main body of the filter wheel consumes only \u003cstrong\u003e19.0mm\u003c\/strong\u003e of back focus. When the M54 adapters are installed on both sides, the total thickness is \u003cstrong\u003e19.6mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I get perfect framing with my camera attached to the Indigo Filter Wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBoth the telescope and camera side M54 adapters feature a rotational slide design. You can slightly untie the retaining screws, rotate your camera to the desired orientation, and then tighten the screws to lock it in place. This allows for precise framing without unthreading your entire camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Indigo Filter Wheel for a full LRGB and SHO narrowband imaging setup?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003e7-position carousel\u003c\/strong\u003e provides enough slots to house a full LRGB filter set (4 filters) and a full SHO narrowband set (3 filters) simultaneously. This allows you to switch between broadband and narrowband targets in a single night without opening the filter wheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Indigo Filter Wheel connect directly to my PlayerOne camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the camera-side adapter includes a dedicated \u003cstrong\u003e4-hole mounting pattern\u003c\/strong\u003e designed for direct, secure connection to PlayerOne astronomical cameras, in addition to a more universal 6-hole pattern and standard M42 threads.\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 Capacity\u003c\/td\u003e\n\u003ctd\u003e7 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccepted Filter Sizes\u003c\/td\u003e\n\u003ctd\u003e2-inch mounted or 50mm unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Filter Diameter\u003c\/td\u003e\n\u003ctd\u003e50.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Thickness\u003c\/td\u003e\n\u003ctd\u003e19.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness with Adapters\u003c\/td\u003e\n\u003ctd\u003e19.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCNC milled aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eDirect drive stepper motor with optical encoders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Side Connection\u003c\/td\u003e\n\u003ctd\u003eM54 x 0.75mm female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Connection\u003c\/td\u003e\n\u003ctd\u003eM54 x 0.75mm female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Adapter Threads\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75mm male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Adapter Bolt Patterns\u003c\/td\u003e\n\u003ctd\u003e6x hole (62mm diameter), 4x hole (for PlayerOne)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower \u0026amp; Data Connection\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 Type B Port\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\"\u003eIndigo Filter Wheel\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54 Male to M42 Male Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eUSB2 Type B Cable\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\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003cp\u003e\u003csmall\u003eNote: As the included items were not specified, this list is representative of a typical package. Please verify contents upon receipt.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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\/Pegasus_Astro_Indigo_Filter_Wheel_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\"\u003eDownload 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:\/\/pegasusastro.com\/download\/\" 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 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\u003ca href=\"https:\/\/davidastro.com\/pages\/pegasus-astro-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePegasus Astro 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":50639298560285,"sku":"PEG-INDIGOFW7-2","price":642.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Pegasus-Indigo-Filter-Wheel-1.jpg?v=1763585584"},{"product_id":"zwo-electronic-filter-wheel-efw-gen2-7-x-2","title":"ZWO Electronic Filter Wheel EFW Gen2 - 7 x 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds seven 2\" mounted or 50mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eAdds 20 mm of back focus to the imaging train\u003c\/li\u003e\n\u003cli\u003eStepper motor for precise, quiet filter selection\u003c\/li\u003e\n\u003cli\u003eSingle USB-C cable for power and data\u003c\/li\u003e\n\u003cli\u003eDirectly compatible with ZWO full-frame and APS-C cameras\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 7 Position Electronic Filter Wheel for 2\" Filters (2025)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO Electronic Filter Wheel EFW Gen2 holds up to 7 different 2\" filters, adding only 20 mm of back focus to your imaging train. This capacity allows you to load entire LRGB and SHO filter sets simultaneously, selecting between any of the 7 positions via a single USB connection for fully automated imaging sequences.\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\u003e7-Position Carousel for 2\" Filters\u003c\/h3\u003e\n\u003cp\u003eThe primary function of the EFW Gen2 is its 7-position capacity, which eliminates the need to swap filters manually between imaging sessions. You can install a complete LRGB color set (Luminance, Red, Green, Blue) and a narrowband SHO set (Sulfur-II, Hydrogen-alpha, Oxygen-III) at the same time, with one slot to spare. This is ideal for monochrome imagers who operate remotely or want to capture different data types on the same target in one night without reconfiguring their optical 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\u003eEngineered for a 20 mm Back Focus Path\u003c\/h3\u003e\n\u003cp\u003eThis filter wheel consumes exactly 20 mm of back focus, a critical measurement for planning a correct and rigid imaging train. The body is designed for direct, secure attachment to ZWO APS-C and full-frame cameras, creating a zero-flexure connection. The M54 threads on both the telescope and camera side maintain a wide, unvignetted light path suitable for large sensors, while the included M54-to-M48 and M54-to-M42 adapters ensure compatibility with a wide range of correctors and accessories.\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\u003eZWO EFW Gen2 7 x 2\" vs. 5 x 2\"\u003c\/h3\u003e\n\u003cp\u003eThe main advantage of the 7-position EFW over its 5-position sibling is capacity. While both models share the same 20 mm back focus consumption and robust stepper motor design, the choice depends entirely on your imaging workflow.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO EFW 7 x 2\":\u003c\/strong\u003e Choose this model if you frequently switch between broadband (LRGB) and narrowband (SHO) imaging. The 7 slots let you keep both sets installed, making it perfect for automated, multi-night projects on galaxies that have H-alpha regions, like Andromeda (M31) or Triangulum (M33).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO EFW 5 x 2\":\u003c\/strong\u003e A more compact and lighter option, the 5-position wheel is sufficient if you primarily stick to one filter set per session, such as LRGB for galaxies or a dedicated narrowband palette for nebulae. It's a better fit for portable setups where weight and balance are primary concerns.\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\u003eUSB-Powered Stepper Motor Control\u003c\/h3\u003e\n\u003cp\u003eA high-precision stepper motor drives the filter carousel, ensuring positional accuracy and quiet operation. The wheel is powered and controlled through a single USB-C cable connected to your camera's USB hub or directly to your control computer. It is fully supported by the ASIAIR ecosystem and has ASCOM drivers for use with third-party software like NINA or Sequence Generator Pro, enabling seamless integration into automated imaging plans.\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 types of filters can I install in the ZWO EFW 7 x 2\"?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO EFW 7 x 2\" accepts standard \u003cstrong\u003e2\" mounted filters\u003c\/strong\u003e with M48x0.75 threads. It can also hold \u003cstrong\u003eunmounted 50 mm filters\u003c\/strong\u003e. This versatility covers the vast majority of astronomical filters from all major manufacturers, making it suitable for full-frame sensors without vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I install both LRGB and SHO 2\" filter sets in the ZWO EFW 7 x 2\" at the same time?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. An LRGB filter set requires 4 slots, and an SHO narrowband set requires 3 slots. The 7-position carousel of the ZWO EFW 7 x 2\" allows you to install both complete sets simultaneously, which is one of its primary advantages for advanced monochrome imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 20 mm back focus of the ZWO EFW 7 x 2\" affect my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 20 mm back focus consumption is a fixed distance you must account for in your optical train calculation. For a typical setup requiring 55 mm of back focus, if your ZWO camera has 17.5 mm of native back focus, the EFW (20 mm) and any required adapters must total the remaining 37.5 mm. The included adapters are designed to help achieve this standard spacing with ZWO cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO EFW 7 x 2\" compatible with non-ZWO cameras?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. While it's designed for direct connection to ZWO cameras, the filter wheel uses standard M54x0.75 threads on its telescope-facing side and includes M54M-to-M48F and M54M-to-M42F adapters. This allows you to connect it to a wide variety of cameras and optical systems that use these common T-thread standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO EFW 7 x 2\" require a separate power cable?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO EFW 7 x 2\" is powered directly via its USB connection. You can plug it into the integrated USB hub on a cooled ZWO camera or directly into your ASIAIR or control computer. This simplifies cable management at the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the ZWO EFW 7 x 2\" for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can control the filter wheel using software like the ZWO ASIAIR, NINA, or Sequence Generator Pro. For a target like the Orion Nebula (M42), you would create an imaging plan that automatically rotates to your H-alpha filter for capturing the core nebulosity, then to your LRGB filters to gather broadband data for the surrounding stars and dust, all without manual intervention.\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-EFW-7X2-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\u003c\/td\u003e\n\u003c\/tr\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\u003eFilter Positions\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Mounting\u003c\/td\u003e\n\u003ctd\u003eThreaded or Drop-In\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\"\u003e7 Position Electronic Filter Wheel for 2\" Filters (2025)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M to M48F 2 mm Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M to M42F 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eM54M to M48F 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 6\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eFilter Masks\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003e2 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003ePhillips Head Screwdriver\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 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\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":50705747509533,"sku":"ZWO-EFW-7x2-25","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-7x2-25.png?v=1765339680"},{"product_id":"zwo-electronic-filter-wheel-efw-gen2-5-x-2","title":"ZWO Electronic Filter Wheel EFW Gen2 - 5 x 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds 5 x 2\" mounted or 50mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eAdds only 20 mm of back focus to the imaging train\u003c\/li\u003e\n\u003cli\u003eStepper motor for precise, repeatable filter selection\u003c\/li\u003e\n\u003cli\u003eSingle USB-C cable for power and data\u003c\/li\u003e\n\u003cli\u003eASCOM and ASIAIR compatible\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 5 Position Electronic Filter Wheel for 2\" Filters (2025)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO 5 Position Electronic Filter Wheel automates your imaging sequence by housing up to 5 different 2\" filters in a single, rigid unit. This second-generation wheel adds only 20 mm of back focus to your optical train, making it compatible with a wide range of imaging setups while being fully powered over USB.\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\u003eAutomated Access to 5 Full-Size 2\" Filters\u003c\/h3\u003e\n\u003cp\u003eThis wheel's 5-position carousel is ideal for a complete LRGB+Ha or SHO+L set, eliminating the need to manually swap filters in the dark. A high-precision stepper motor rotates the carousel, ensuring the selected filter aligns perfectly with the sensor every time. The system is fully compatible with automation software like NINA or Sequence Generator Pro via its ASCOM driver, as well as native integration with the ZWO ASIAIR.\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 Minimal 20 mm of Back Focus Consumption\u003c\/h3\u003e\n\u003cp\u003eBy consuming just 20 mm of back focus, the EFW-5x2 leaves critical space in your imaging train for other accessories like off-axis guiders or adaptive optics. This slim profile is achieved through a design that allows direct, secure mounting to ZWO's full-frame and APS-C cameras. For other configurations, the included M54-to-M48 and M54-to-M42 adapters provide flexible connection options to achieve standard 55mm back focus spacing.\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\u003eZWO EFW 5x2\" vs. 7x2\": Choosing Your Capacity\u003c\/h3\u003e\n\u003cp\u003eThe primary advantage of ZWO's 7x2\" EFW is capacity, holding two extra filters for complex palettes (e.g., LRGB + Ha, SII, OIII). This is ideal if you need your entire filter collection online at once. However, the 5x2\" EFW is significantly more compact and weighs less, making it a better choice for smaller mounts or portable setups where every gram counts. For most imagers using standard LRGB or narrowband sets, the 5 positions are ample, and the reduced system weight is a clear advantage.\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\u003eRobust Gen2 Design with USB-C Control\u003c\/h3\u003e\n\u003cp\u003eThis second-generation EFW features an improved housing with enhanced light-blocking seals to prevent stray light from contaminating your exposures. The entire unit is controlled and powered through a single, reliable USB-C connection to your control PC or ASIAIR unit. This simplifies cable management and reduces potential snag points at the telescope, leading to more reliable, automated 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 types of filters can I use with the ZWO 5x2\" EFW?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter wheel accepts standard \u003cstrong\u003e2\" mounted filters\u003c\/strong\u003e with M48x0.75 threads. It can also hold unmounted \u003cstrong\u003e50mm filters\u003c\/strong\u003e. The design accommodates most common filter cell heights and thicknesses, making it compatible with a wide range of brands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the ZWO 5x2\" EFW to my ZWO camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor many ZWO cooled cameras, the filter wheel can be bolted directly to the camera body for the most rigid, secure connection. The package also includes M54-to-M48 and M54-to-M42 adapters to facilitate threaded connections and achieve the correct 55mm back focus with various camera spacers and accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO 5x2\" EFW require a separate 12V power supply?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it does not. The filter wheel is powered entirely through its \u003cstrong\u003eUSB connection\u003c\/strong\u003e. This simplifies your cabling setup, as it draws all necessary power for the motor and electronics from the same cable used for data communication.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is compatible with the ZWO 5x2\" EFW?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO 5x2\" EFW is compatible with a broad range of astrophotography software. It works natively within the \u003cstrong\u003eZWO ASIAIR\u003c\/strong\u003e ecosystem for plug-and-play operation. For Windows-based control, it is fully supported by an \u003cstrong\u003eASCOM driver\u003c\/strong\u003e, allowing it to be used with popular applications like NINA, Sequence Generator Pro (SGP), and Maxim DL.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO 5x2\" EFW for imaging the Orion Nebula (M42) with a color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. While often used for monochrome imaging, a filter wheel is a powerful tool for one-shot-color cameras too. For M42, you could load the 5 positions with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV\/IR Cut Filter:\u003c\/strong\u003e For standard broadband imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Band Filter (Ha\/OIII):\u003c\/strong\u003e To isolate nebula gases and fight light pollution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHC\/LPR Filter:\u003c\/strong\u003e For general light pollution reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL-eXtreme\/L-eNhance Filter:\u003c\/strong\u003e For more aggressive narrowband capture with your color camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows you to switch between different filtering strategies to capture both the bright core and faint outer structures of the nebula without altering your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have an 8\" SCT with a 0.63x reducer. Is the 20mm back focus of the ZWO 5x2\" EFW an issue?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the 20mm back focus is perfectly manageable. Most focal reducers for SCTs require a specific back focus distance, typically 105mm from the reducer's rear thread. The 20mm consumed by the filter wheel fits easily within this budget, leaving 85mm for your off-axis guider and camera spacers, which is a very common configuration.\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-EFW-5X2-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd\u003e5 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccepted Filter Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Mounting\u003c\/td\u003e\n\u003ctd\u003eAccepts Both Threaded \u0026amp; Drop-In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\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\"\u003e5x2\" Electronic Filter Wheel Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e2m USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5m USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M to M48F Adapter (2mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM54M to M48F 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eM54M to M42F 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 6\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eFilter Masks for Unmounted Filters\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003ePhillips Head Screwdriver\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 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\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":50706845630749,"sku":"ZWO-EFW-5x2-25","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-5x2-25.png?v=1765338722"},{"product_id":"zwo-electronic-filter-wheel-efw-gen2-8-x-1-25","title":"ZWO Electronic Filter Wheel EFW Gen2 - 8 x 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds 8 x 1.25\" mounted or 31mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eAdds 20 mm of back focus to the imaging train\u003c\/li\u003e\n\u003cli\u003eUSB-powered stepper motor for precise filter selection\u003c\/li\u003e\n\u003cli\u003eRedesigned housing for improved light leak prevention\u003c\/li\u003e\n\u003cli\u003eASCOM and ASIAIR compatible for full automation\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 EFW 8-Position Filter Wheel for 1.25\" and 31 mm Filters (2025)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO EFW Gen2 automates your imaging sequence with an 8-position carousel designed for both 1.25\" and 31mm filters. This USB-powered wheel consumes a minimal 20 mm of back focus, making it a straightforward addition to most optical trains while enabling full LRGB and narrowband filter sets to be loaded simultaneously.\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\u003eAutomate 8 Filters for LRGB and SHO Sequences\u003c\/h3\u003e\n\u003cp\u003eThe 8-position carousel is the core of this wheel's efficiency, allowing you to load a complete LRGB filter set (Luminance, Red, Green, Blue) and a full SHO narrowband set (Sulfur-II, Hydrogen-alpha, Oxygen-III) with a position to spare for a UV\/IR cut or dark filter. This capacity eliminates the need to swap filters between imaging sessions, enabling fully automated, multi-night projects controlled via ASIAIR or ASCOM-compliant software.\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 Consistent 20 mm Back Focus Path\u003c\/h3\u003e\n\u003cp\u003eZWO engineered this filter wheel to consume exactly 20 mm of back focus. This fixed optical path length simplifies the process of integrating it with reducers and flatteners that have strict spacing requirements. By maintaining a known, slim profile, you can calculate your adapter and spacer needs without the complexity introduced by bulkier filter solutions.\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 1.25\" and 31mm Filter Support\u003c\/h3\u003e\n\u003cp\u003eThe wheel is designed to accept both industry-standard 1.25\" mounted filters and 31mm unmounted filters. This flexibility ensures compatibility with a vast range of filters from nearly every manufacturer, protecting your investment in glass. Whether you use threaded filters for convenience or unmounted filters to maximize the clear aperture for a specific sensor, the EFW Gen2 accommodates both formats securely.\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\u003eZWO EFW Gen2 vs. First Generation\u003c\/h3\u003e\n\u003cp\u003eThis second-generation model introduces key structural improvements over its predecessor. The most significant is a redesigned housing that provides superior light leak protection, critical for long-exposure narrowband imaging. The internal stepper motor is also refined for quieter, more reliable operation, ensuring precise filter alignment every time without disturbing the telescope's balance.\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 many filters can the ZWO EFW Gen2 8-position wheel hold?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO EFW Gen2 8-position filter wheel is designed to hold up to \u003cstrong\u003e8 individual filters\u003c\/strong\u003e. It is compatible with both standard 1.25\" mounted filters and 31mm unmounted filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the back focus of the ZWO EFW 8 x 1.25\" filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter wheel adds exactly \u003cstrong\u003e20 mm\u003c\/strong\u003e of back focus to your imaging train. This measurement is crucial for correctly spacing your camera sensor from any field flattener or focal reducer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO EFW 8-position wheel for an LRGB + SHO filter set with my ASI1600MM Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The 8-filter capacity is ideal for this exact scenario. You can load a full LRGB set (4 filters) and a full SHO narrowband set (3 filters), leaving one slot free for a dark filter, a UV\/IR Cut filter, or another specialized filter. This allows you to run fully automated sequences for both broadband and narrowband targets like the Orion Nebula (M42) without ever opening the imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the ZWO EFW Gen2 filter wheel when connected to my imaging PC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO EFW Gen2 is powered directly via its \u003cstrong\u003eUSB\u003c\/strong\u003e connection. No separate 12V power supply is required. You can connect it to your ZWO cooled camera's integrated USB hub or directly to your ASIAIR, laptop, or control PC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO EFW Gen2 support both 1.25\" mounted and 31mm unmounted filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the wheel is designed to accept both formats. Mounted 1.25\" filters thread directly into the carousel, while 31mm unmounted filters are held in place by the included filter masks and screws, giving you flexibility in your filter choices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat improvements does the ZWO EFW Gen2 have over the previous version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary improvements in the Gen2 model are a redesigned body for enhanced light leak prevention and an upgraded stepper motor for quieter and more precise operation. These changes make it more robust for demanding long-exposure astrophotography where stray light and mechanical reliability are critical.\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-EFW-8X125-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd\u003e8 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Sizes\u003c\/td\u003e\n\u003ctd\u003e1.25\" or 31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Mounting\u003c\/td\u003e\n\u003ctd\u003eAccepts Both Threaded \u0026amp; Drop-In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\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\"\u003e8-Position Filter Wheel Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM42M to M42M Adapter (T2 to T2)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Camera Connection\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 6\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eM4x12 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\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\"\u003eFilter Masks\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003e2 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003ePhillips Head Screwdriver\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Cover \u0026amp; Cap\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 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\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":50706886164765,"sku":"ZWO-EFW-8x1.25-25","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-8x1-25-25.png?v=1765339633"},{"product_id":"zwo-electronic-filter-wheel-efw-gen2-5-x-1-25","title":"ZWO Electronic Filter Wheel EFW Gen2 - 5 x 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e5 filter positions for 1.25\" or 31mm filters\u003c\/li\u003e\n\u003cli\u003eAdds 20 mm of back focus to the imaging train\u003c\/li\u003e\n\u003cli\u003eUSB-C powered and controlled\u003c\/li\u003e\n\u003cli\u003eRedesigned housing for improved light leak prevention\u003c\/li\u003e\n\u003cli\u003eCompatible with ASIAIR and ASCOM drivers\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 EFW 5-Position Filter Wheel for 1.25\" and 31 mm Filters (2025)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO EFW 5-Position Filter Wheel automates your imaging sequences by holding a full LRGB or narrowband filter set, accepting both 1.25\" and 31mm formats across its 5 positions. This second-generation wheel is powered entirely via USB and consumes only 20 mm of back focus, making it a compact addition to nearly any 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\u003eAutomated Imaging with 5 Filter Positions\u003c\/h3\u003e\n\u003cp\u003eThis wheel holds up to 5 different filters, allowing you to load a complete LRGB (Luminance, Red, Green, Blue) or SHO (Sulphur-II, Hydrogen-alpha, Oxygen-III) set for monochrome imaging. The internal stepper motor rotates the carousel with high precision, ensuring each filter centers perfectly in the light path every time. Once installed, you can control filter changes remotely via ASIAIR or ASCOM, eliminating the need to manually disturb the telescope for filter swaps during an imaging session.\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\u003e20mm Back Focus with Redesigned Housing\u003c\/h3\u003e\n\u003cp\u003eThe Gen2 design adds exactly 20 mm to your optical train, a critical measurement for planning correct spacing with reducers and flatteners. ZWO has redesigned the housing with an improved slot-style closure and a sealed motor compartment to eliminate stray light that could otherwise compromise long exposures. The move to a modern USB-C port provides a more reliable connection for both power and data and is easier to plug in while working 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\u003eFlexible Integration with M42 and 1.25\" Adapters\u003c\/h3\u003e\n\u003cp\u003eThe filter wheel is designed for maximum compatibility with common astronomy equipment. It features female M42x0.75 (T2) threads on both the telescope and camera sides for a secure, threaded connection. For added flexibility, the package includes a 1.25\" nosepiece to connect to a standard focuser and a 1.25\" eyepiece holder for the camera side, allowing you to build your imaging train using multiple connection standards.\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 types of filters fit in the ZWO EFW 5-Position Filter Wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter wheel accepts two standard sizes. You can install up to 5 standard \u003cstrong\u003e1.25\" mounted filters\u003c\/strong\u003e with male threads, or up to 5 \u003cstrong\u003e31mm unmounted filters\u003c\/strong\u003e. This covers the most common filter formats for small-to-medium format astronomy cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much back focus does the ZWO EFW Gen2 add to an imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter wheel body itself consumes precisely \u003cstrong\u003e20 mm of back focus\u003c\/strong\u003e. This is the distance from the front flange to the rear flange of the main housing. You must account for this distance when calculating the spacing for your field flattener or reducer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO EFW 5-Position Filter Wheel compatible with the ASIAIR Plus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO EFW is fully compatible with all ASIAIR models. You can connect it via its USB-C port directly to the ASIAIR, where it will be automatically recognized. This allows you to select filters and build automated imaging plans directly within the ASIAIR app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an external power supply for the ZWO EFW Gen2?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The filter wheel is powered entirely through its \u003cstrong\u003eUSB\u003c\/strong\u003e connection. A single USB-C cable connected to your control computer, ASIAIR, or a powered USB hub provides both power and data for the unit, simplifying cable management at the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this EFW for imaging the Orion Nebula (M42) with a monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. For a target like the Orion Nebula (M42), you could load the ZWO EFW with Luminance, Red, Green, and Blue filters for a full-color LRGB image. Alternatively, for a narrowband image from light-polluted skies, you could load H-alpha, O-III, and S-II filters to capture the distinct ionized gases within the nebula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the ZWO EFW 5-Position wheel cause vignetting with an APS-C sensor camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile designed for smaller sensors, 1.25\" and 31mm filters can often be used with APS-C sensors without significant vignetting, especially on slower telescopes (f\/7 or higher). On faster systems (f\/5 or lower), you may see some darkening in the corners of your images. For full-frame sensors or very fast optics, a larger filter wheel using 2\" or 36mm filters is recommended.\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-EFW-5X125-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Positions\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Sizes\u003c\/td\u003e\n\u003ctd\u003e1.25\" or 31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eAccepts Both Threaded or Drop-In\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\"\u003eEFW 5-Position Filter Wheel (2025)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM42M to M42M (T2) Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Connection Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 6\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eM4x12 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\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\"\u003eFilter Masks\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003e2 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5 M USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003ePhillips Head Screwdriver\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Cover \u0026amp; Cap\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 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":50706899796253,"sku":"ZWO-EFW-5x1.25-25","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-5x1-25-25.png?v=1765339028"},{"product_id":"zwo-electronic-filter-wheel-efw-gen2-7-x-36mm","title":"ZWO Electronic Filter Wheel EFW Gen2 - 7 x 36mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHouses seven 36mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eAdds a minimal 20mm of back focus to the imaging train\u003c\/li\u003e\n\u003cli\u003e7-position carousel for LRGB, narrowband, or custom sets\u003c\/li\u003e\n\u003cli\u003ePowered and controlled via a single USB-C cable\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 EFW 7-Position Filter Wheel for 36mm Filters (2025)\u003c\/h2\u003e\n\u003cp\u003eThe ZWO EFW Gen2 automates your imaging sequence with a 7-position carousel designed specifically for 36mm unmounted filters. This wheel consumes only 20mm of back focus, making it a slim and efficient core component for APS-C sensor imaging trains. All power and control are handled through a single USB connection, simplifying cable management in the field.\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\u003e7-Position Capacity for 36mm Filters\u003c\/h3\u003e\n\u003cp\u003eThe internal carousel holds up to seven 36mm unmounted filters, providing enough capacity to house a full LRGB set and a 3-filter narrowband SHO set simultaneously. This eliminates the need to swap filters between targets, allowing for fully automated, multi-palette imaging sessions. The 36mm filter size is the optimal choice for cameras with APS-C format sensors, providing full sensor illumination without the cost or vignetting risk of undersized filters, or the unnecessary expense of 2\" filters.\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\u003eRedesigned Housing to Reduce Light Leaks\u003c\/h3\u003e\n\u003cp\u003eThis second-generation EFW features a redesigned body focused on reducing internal reflections and stray light. A re-engineered internal design helps reduce light leakage, and the included filter masks hold each unmounted filter securely in the carousel. These improvements ensure that long exposures, especially with narrowband filters, are protected from gradients and artifacts caused by stray light.\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\u003eUSB-Powered Simplicity with 2 Included Cables\u003c\/h3\u003e\n\u003cp\u003eThe filter wheel is powered and controlled entirely through its USB-C port, drawing minimal power and requiring no separate 12V supply. This simplifies cable routing and reduces potential failure points at the telescope. ZWO includes both a 0.5 M and a 2 M USB-C cable, giving you flexible options for connecting to an ASIAIR, a camera's USB hub, or a computer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative ASIAIR Control:\u003c\/strong\u003e Integrates seamlessly with the ZWO ASIAIR ecosystem for control via your smartphone or tablet.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASCOM Compliant:\u003c\/strong\u003e A standard ASCOM driver ensures compatibility with N.I.N.A., SGP, and other popular acquisition software on Windows.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Connection:\u003c\/strong\u003e Bolt-through holes allow for a rigid, direct attachment to ZWO cameras, creating a solid imaging train with minimal flexure.\n\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\u003eZWO EFW Gen2 vs. First-Generation EFW\u003c\/h3\u003e\n\u003cp\u003eThis 2025 model introduces several key upgrades over the original ZWO EFW design. While both provide reliable filter changes, the Gen2 model is engineered for more demanding imaging applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStray Light Control:\u003c\/strong\u003e The Gen2's primary advantage is its superior light-leak protection, thanks to its re-engineered internal design. This is a critical improvement for imagers working under light-polluted skies or capturing faint signals.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e The move from a legacy USB port to a modern USB-C port provides a more reliable and easier-to-use connection, especially in the dark.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Precision:\u003c\/strong\u003e An upgraded stepper motor and internal mechanism deliver precise, repeatable filter placement, ensuring flats calibrate correctly every time.\n\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 main advantage of the ZWO EFW Gen2 7x36mm over the previous version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage of the Gen2 model is its significantly improved \u003cstrong\u003estray light protection\u003c\/strong\u003e. Its re-engineered internal design helps reduce light leakage, which is critical for long-exposure narrowband imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 1.25\" filters with the ZWO EFW 7x36mm filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter wheel is specifically designed for \u003cstrong\u003e36mm unmounted filters\u003c\/strong\u003e. Using 1.25\" filters would require custom adapters and would likely cause significant vignetting on most sensors the wheel is designed for.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 20mm back focus of the ZWO EFW 7x36mm affect my imaging train with a ZWO ASI2600MM Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 20mm back focus is a key measurement for achieving the standard 55mm distance from your flattener\/reducer. With an ASI2600MM Pro (which has 17.5mm of back focus), you would typically attach the EFW directly to the camera (20mm + 17.5mm = 37.5mm). You would then add 17.5mm of spacers between the filter wheel and your flattener to reach the 55mm target.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI want to image the Andromeda Galaxy (M31) in LRGB. Is the ZWO EFW 7x36mm a good choice?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice. The 7-position capacity allows you to load Luminance, Red, Green, and Blue filters with three extra slots to spare. You can automate the entire capture sequence for M31 without having to manually change filters, and the 36mm size is ideal for the large sensors found in cameras well-suited for capturing our galactic neighbor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO EFW 7x36mm require an external 12V power supply?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it does not. The ZWO EFW is powered entirely by the \u003cstrong\u003eUSB\u003c\/strong\u003e connection to your ASIAIR, camera USB hub, or computer. This simplifies your setup and reduces cable clutter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the ZWO EFW 7x36mm to my telescope's 1.25\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter wheel includes a \u003cstrong\u003e1.25\" nosepiece\u003c\/strong\u003e. You can thread this directly onto the T2 (M42) threads of the filter wheel's front plate, allowing you to insert the entire assembly into any standard 1.25\" focuser or visual back.\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-EFW-7X36-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Filter Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd\u003e7 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Mounting\u003c\/td\u003e\n\u003ctd\u003eDrop-In (Unmounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eUSB\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\"\u003eEFW 7x36mm Filter Wheel Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eM42M-M42M (T2-T2) Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e1.25\" Cover \u0026amp; Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e0.5 Meter USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003e2 Meter USB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\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\"\u003eFilter Masks\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\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\"\u003eM2.5x6 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 6\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\"\u003eM2x4 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 26\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\"\u003eM4x12 Screws\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\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\"\u003ePhillips Head Screwdriver\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 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\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":50706906808605,"sku":"ZWO-EFW-7x36-25","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-EFW-7x36-25.png?v=1765339601"},{"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":"player-one-filter-drawer-max-2","title":"Player One Filter Drawer MAX - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSecurely holds standard 2\" mounted filters\u003c\/li\u003e\n\u003cli\u003eRobust 3-point locking mechanism prevents tilt and flexure\u003c\/li\u003e\n\u003cli\u003eInternal M48x0.75 threads for filter mounting\u003c\/li\u003e\n\u003cli\u003eDirect 6-bolt M2.5 connection to Player One cooled cameras\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration with the Player One FHD-OAG MAX\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\u003ePlayer One Filter Drawer MAX - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One Filter Drawer MAX provides a secure, stable housing for standard 2\" filters, utilizing an M48x0.75 female thread inside each drawer. It ensures zero tilt or flexure during long exposures with a robust 3-point locking mechanism and connects directly to Player One cooled cameras via a 6-bolt M2.5 pattern for a rigid 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\u003eA 3-Point Lock for Zero-Flexure Filter Changes\u003c\/h3\u003e\n\u003cp\u003eTo eliminate image shift and maintain sharp focus between filter changes, the Filter Drawer MAX employs a 3-point locking system. A metal bead screw secures the drawer firmly in place, ensuring it remains perfectly parallel to the sensor plane. This stability is critical for advanced imaging, where even microscopic tilt can lead to elongated stars in the corners of the frame.\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 Threads and 6-Bolt Connection for Player One Systems\u003c\/h3\u003e\n\u003cp\u003eEngineered for the Player One ecosystem, this drawer offers two primary connection methods. The telescope side features a 6-bolt M2.5 pattern for direct attachment to the Player One FHD-OAG MAX, while the camera side uses an identical pattern to bolt directly to Poseidon, Zeus, and Artemis series cooled cameras. For broader compatibility, the unit also supports standard threaded connections and includes adapters to integrate into various imaging setups.\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 filters can I use with the Player One Filter Drawer MAX?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Player One Filter Drawer MAX is designed to hold any standard \u003cstrong\u003e2-inch mounted filter\u003c\/strong\u003e. The internal drawer features standard M48x0.75 female threads for this purpose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Filter Drawer MAX prevent tilt during an imaging session?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe drawer utilizes a \u003cstrong\u003e3-point locking mechanism\u003c\/strong\u003e with a metal bead screw. This system applies even pressure to hold the drawer securely against the housing, ensuring there is no flexure or tilt that could compromise focus or star shape, even with heavy cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Player One Filter Drawer MAX connect directly to my Poseidon-C Pro camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Filter Drawer MAX is specifically designed for a direct, rigid connection to Player One's \u003cstrong\u003ePoseidon, Zeus, and Artemis\u003c\/strong\u003e series cooled cameras. It uses an integrated 6-bolt M2.5 screw pattern to create a secure, non-threaded attachment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Filter Drawer MAX with the Player One FHD-OAG MAX?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The telescope-facing side of the drawer housing has a corresponding 6-bolt M2.5 pattern made specifically for attaching the \u003cstrong\u003ePlayer One FHD-OAG MAX\u003c\/strong\u003e. This creates a solid, unified imaging train from the off-axis guider through the filter to the camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat if my telescope or camera doesn't use the 6-bolt pattern?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Filter Drawer MAX also supports standard threaded connections. It ships with a variety of adapters to allow you to integrate it with other equipment that may use different threading standards, extending its compatibility beyond the Player One ecosystem.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the Player One Filter Drawer MAX over a filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA filter drawer is an excellent choice for its simplicity, light weight, and compact profile. It is ideal for portable setups or imagers who typically use only one or two filters per target, such as for LRGB or duo-band narrowband imaging, without the weight and complexity of a motorized filter wheel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player_One_2026_Product_Catalog_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\"\u003eDownload 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\/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":51050085417245,"sku":"POA-FD-MAX","price":208.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Filter-Drawer-Max-1.jpg?v=1773707153"},{"product_id":"player-one-filter-drawer-mini","title":"Player One Filter Drawer MINI","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eCompact filter drawer system for astrophotography\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.25\" and 2\" filter sizes\u003c\/li\u003e\n\u003cli\u003eSecure metal bead screw locking mechanism prevents tilt\u003c\/li\u003e\n\u003cli\u003eDesigned for direct connection to Player One cameras and OAGs\u003c\/li\u003e\n\u003cli\u003eSupports both bolted and threaded connections for flexibility\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\u003ePlayer One Filter Drawer MINI\u003c\/h2\u003e\n      \u003cp\u003eThe Player One Filter Drawer MINI offers a lightweight and rigid solution for introducing filters into your imaging train. Engineered for seamless integration with Player One Ares, Uranus PRO, and Apollo PRO cameras, this drawer system is available in both 1.25\" and 2\" formats to match your filters and budget. Its robust locking mechanism ensures your filters remain perfectly parallel to the sensor, eliminating tilt and ensuring consistent, repeatable results between sessions.\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 Secure Lock for Repeatable Filter Placement\u003c\/h3\u003e\n      \u003cp\u003eThis filter drawer utilizes a metal bead screw to firmly lock the drawer in place. This design provides a stable, multi-point hold that prevents any shifting or flexure, even with heavier filters or during a meridian flip. For imagers, this stability is critical for taking reliable flat frames and maintaining sharp focus across the entire field.\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\u003eSupport for 1.25\" and 2\" Filter Formats\u003c\/h3\u003e\n      \u003cp\u003ePlayer One provides two distinct drawer options to accommodate the most common filter sizes. The 1.25\" drawer features standard M28.5*0.6 female threads, making it a cost-effective choice for cameras with smaller sensors. For imagers using larger sensors or seeking to avoid any potential vignetting, the 2\" drawer with M48*0.75 female threads provides full illumination.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003e1.25\" Drawer:\u003c\/strong\u003e Ideal for planetary imaging and smaller-format deep-sky cameras where cost-efficiency is a priority.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e2\" Drawer:\u003c\/strong\u003e Recommended for cameras with larger sensors to ensure the entire sensor is illuminated without vignetting from the filter cell.\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\u003eDirect Connection to Player One Cameras and OAGs\u003c\/h3\u003e\n      \u003cp\u003eThe Filter Drawer MINI is designed as a native component of the Player One ecosystem. It features M2.5 screw holes on both sides for a direct, secure bolt-on connection to Player One cooled cameras like the Ares, Uranus PRO, and Apollo PRO series. It is also engineered to integrate perfectly with the FHD-OAG MINI, creating a compact and rigid imaging train. For broader compatibility, the drawer also supports standard threaded connections.\u003c\/p\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\"\u003eWhich Player One cameras are compatible with the Filter Drawer MINI?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Player One Filter Drawer MINI is designed for a direct, bolt-on connection with the \u003cstrong\u003eAres series\u003c\/strong\u003e, \u003cstrong\u003eUranus PRO\u003c\/strong\u003e, and \u003cstrong\u003eApollo PRO\u003c\/strong\u003e cameras. It can also be connected to other cameras using standard threads.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Filter Drawer MINI with the Player One FHD-OAG MINI?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the Filter Drawer MINI is specifically designed to connect directly to the Player One FHD-OAG MINI. This creates a compact and rigid off-axis guiding and filtering solution.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eFor my Ares-C camera, should I get the 1.25\" or 2\" Filter Drawer MINI for imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor an Ares-C camera, the \u003cstrong\u003e1.25\" drawer is often sufficient\u003c\/strong\u003e and more cost-effective, as the sensor size is well-illuminated by 1.25\" filters. However, if you plan to upgrade to a larger sensor camera in the future or use very fast optical systems (f\/4 or below), choosing the \u003cstrong\u003e2\" drawer\u003c\/strong\u003e provides more flexibility and helps prevent any possibility of vignetting.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the metal bead screw lock on the Filter Drawer MINI?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe metal bead screw provides a secure, multi-point lock on the filter holder. This prevents the drawer from shifting or tilting, which is critical for two reasons:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSharpness:\u003c\/strong\u003e It keeps the filter perfectly parallel to the camera sensor, preventing optical distortions.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e It ensures the filter returns to the exact same position every time, which makes your flat frames perfectly repeatable and effective at removing dust motes.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Filter Drawer MINI connect to my Uranus PRO camera for imaging Saturn? Is it secure?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Filter Drawer MINI connects to a Uranus PRO camera via a direct, bolt-on connection using the included M2.5 screw holes on both units. This creates a much more rigid and secure connection than threads alone, eliminating any potential for flexure or sag in the imaging train, which is essential for high-resolution planetary imaging.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters from other brands in the Player One Filter Drawer MINI?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The drawers use standard, non-proprietary threads. The 1.25\" drawer uses standard \u003cstrong\u003eM28.5*0.6\u003c\/strong\u003e threads, and the 2\" drawer uses standard \u003cstrong\u003eM48*0.75\u003c\/strong\u003e threads. Any mounted filter from any brand that conforms to these standards will fit.\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      \n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \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":51112109506845,"sku":"POA-FD-MINI","price":194.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Filter-Drawer-MINI.png?v=1775159187"},{"product_id":"player-one-phoenix-filter-wheel-8-1-25","title":"Player One Phoenix Filter Wheel - 8×1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds eight 1.25\" mounted filters\u003c\/li\u003e\n\u003cli\u003eAutomates filter changes for complex imaging sequences\u003c\/li\u003e\n\u003cli\u003eIdeal for LRGB, SHO, and other multi-filter palettes\u003c\/li\u003e\n\u003cli\u003eUSB powered and controlled\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight design\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\u003ePlayer One Phoenix Filter Wheel - 8×1.25\"\u003c\/h2\u003e\n      \u003cp\u003eThe Player One Phoenix Filter Wheel automates your imaging sessions by holding up to eight standard 1.25\" mounted filters. This capacity allows you to load a full complement of LRGB and narrowband filters (like Ha, SII, and OIII) simultaneously, enabling complex, multi-wavelength imaging projects without manual intervention during a clear night.\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\u003eAutomate Your Workflow with 8 Filter Positions\u003c\/h3\u003e\n      \u003cp\u003eWith eight available slots, the Phoenix filter wheel eliminates the need to swap filters mid-session. You can configure your imaging software to automatically cycle through luminance, red, green, and blue filters for full-color targets, and then switch to narrowband filters for emission nebulae, all within the same automated sequence. This not only saves time but also reduces the risk of dust contamination or disturbing your optical train.\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\u003eOptimized for 1.25\" Mounted Filters\u003c\/h3\u003e\n        \u003cp\u003eThis wheel is specifically designed for the widely available 1.25\" mounted filter format, making it a cost-effective choice for building out your filter collection. The 1.25\" format is an excellent match for cameras with smaller to medium-sized sensors, such as those with APS-C diagonals or smaller, ensuring minimal vignetting and maximizing the value of your filters.\u003c\/p\u003e\n        \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works with the vast ecosystem of 1.25\" filters from all major manufacturers.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e Filters thread directly and securely into the carousel, ensuring they remain perfectly parallel to the sensor.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e Leverage the affordability and availability of 1.25\" filters compared to larger, more specialized formats.\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\u003ePhoenix 8x1.25\" vs. 7x36mm Wheels: A Question of Sensor Size\u003c\/h3\u003e\n        \u003cp\u003eChoosing a filter wheel often comes down to filter size versus capacity. The Phoenix 8x1.25\" wheel offers an extra slot compared to common 7-position wheels, which is a significant advantage for imagers using multiple narrowband filters alongside LRGB.\u003c\/p\u003e\n        \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003ePlayer One Phoenix 8x1.25\":\u003c\/strong\u003e Its primary advantage is capacity and the lower cost of 1.25\" filters. It is the ideal choice for cameras with sensors up to the Four Thirds or APS-C size, where vignetting is not a concern.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003e7x36mm Filter Wheels:\u003c\/strong\u003e A 36mm unmounted filter provides a larger clear aperture, making it better suited for full-frame sensors to prevent vignetting. However, these wheels typically hold one fewer filter, and the filters themselves are more expensive.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp\u003eThe trade-off is clear: for maximum filter flexibility with smaller sensors, the 8-position 1.25\" wheel is superior. For full-frame imaging, a wheel with larger 36mm filters is necessary, despite the lower capacity and higher cost.\u003c\/p\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 many filters can the Player One Phoenix 8x1.25\" wheel hold?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Player One Phoenix filter wheel is designed to hold up to \u003cstrong\u003eeight standard 1.25\" mounted filters\u003c\/strong\u003e. This allows for extensive filter combinations, such as LRGB, Ha, SII, OIII, and a spare slot for another filter like H-beta or a UV\/IR cut filter.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Phoenix 8x1.25\" filter wheel cause vignetting with my camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eVignetting depends on your camera's sensor size and your telescope's focal ratio. The 1.25\" filters in the Phoenix wheel are generally free of vignetting on cameras with sensors up to the \u003cstrong\u003eAPS-C format (approx. 28mm diagonal)\u003c\/strong\u003e, especially with slower telescopes (f\/7 or higher). For full-frame sensors (42mm+ diagonal) or very fast optical systems (f\/4 or lower), you may see some corner darkening, and a wheel using larger 36mm or 2\" filters would be a better choice.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of an 8-position wheel for imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor a broadband target like the Andromeda Galaxy (M31), an 8-position wheel allows you to capture standard \u003cstrong\u003eLRGB (Luminance, Red, Green, Blue)\u003c\/strong\u003e data and also capture \u003cstrong\u003eHydrogen-alpha (Ha)\u003c\/strong\u003e data in the same session without swapping filters. The Ha filter will reveal the vibrant red star-forming regions within the galaxy's spiral arms, adding critical detail to your final image. The extra slots remain free for other filters, like a light pollution filter.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use unmounted filters with the Phoenix 8x1.25\" wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this filter wheel is designed specifically for \u003cstrong\u003e1.25\" mounted (threaded) filters\u003c\/strong\u003e. Unmounted filters, such as 31mm or 36mm disks, will not fit and require a different type of filter wheel carousel designed to clamp them in place.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is needed to control the Player One Phoenix filter wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Player One Phoenix filter wheel is controlled via a USB connection to a computer. It is compatible with standard ASCOM drivers, allowing it to be controlled by popular astrophotography software such as \u003cstrong\u003eN.I.N.A., Sequence Generator Pro (SGP), SharpCap, and others\u003c\/strong\u003e that support the ASCOM platform.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 8x1.25\" Phoenix filter wheel a good match for a Celestron EdgeHD 8\" telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, it's an excellent match. An EdgeHD 8\" operates at f\/10 (or f\/7 with its reducer), which is a slow-to-moderate focal ratio. When paired with a typical planetary or deep-sky camera (up to APS-C size), the 1.25\" filters will not cause vignetting. The eight filter slots are perfect for capturing galaxies, nebulae, and star clusters through the EdgeHD 8\" optics.\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      \n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/player-one-astronomy.com\/service\/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 Software\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\/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":51113357869341,"sku":"POA-PW8-1.25","price":418.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Phoenix-Filter-Wheel-8x125.png?v=1775183884"},{"product_id":"player-one-phoenix-filter-wheel-7x36mm","title":"Player One Phoenix Filter Wheel - 7x36mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates 7 x 36mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eEnables automated filter sequencing for monochrome cameras\u003c\/li\u003e\n\u003cli\u003eIdeal for full LRGB + narrowband imaging setups\u003c\/li\u003e\n\u003cli\u003eDesigned for imagers using APS-C or larger sensors\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\u003ePlayer One Phoenix Filter Wheel - 7x36mm\u003c\/h2\u003e\n\u003cp\u003eThe Player One Phoenix Filter Wheel is engineered for automated astrophotography, featuring a 7-position carousel specifically for 36mm unmounted filters. This capacity allows you to house a complete LRGB set alongside three narrowband filters, enabling complex, multi-wavelength imaging sequences in a single session without manual intervention.\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\u003e7-Position Carousel for 36mm Unmounted Filters\u003c\/h3\u003e\n\u003cp\u003eThe core of the Phoenix wheel is its 7-position design, which provides the capacity needed for advanced imaging projects. By accommodating 36mm unmounted filters, it provides a larger clear aperture than 1.25\" filters, effectively minimizing the risk of vignetting on cameras with APS-C and larger format sensors. This makes it an excellent match for modern astronomy cameras where a fully illuminated sensor is critical.\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 Automation for LRGB and 3 Narrowband Filters\u003c\/h3\u003e\n\u003cp\u003eWith seven slots available, you can load Luminance, Red, Green, and Blue filters, plus the three most common narrowband filters—Hydrogen-alpha, Sulfur-II, and Oxygen-III. This \"all-in-one\" setup unlocks the ability for your imaging software to run unattended sequences, capturing broadband color data and narrowband emission details on targets like the Orion Nebula (M42) or the Cygnus Loop without ever needing to touch 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\"\u003eWhat is the main advantage of the Player One Phoenix wheel's 7-filter capacity?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 7-position carousel allows you to install a full set of \u003cstrong\u003eLRGB filters (4)\u003c\/strong\u003e and a complete \u003cstrong\u003enarrowband set (Ha, SII, OIII) (3)\u003c\/strong\u003e simultaneously. This enables you to run fully automated imaging plans that capture all necessary data for a full-color narrowband-enhanced image in a single night without having to manually swap filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Phoenix 7x36mm filter wheel a good choice for my camera with an APS-C sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003e36mm unmounted filter format\u003c\/strong\u003e is specifically designed to provide a large enough clear aperture to prevent vignetting (darkened corners) on sensors up to and including full-frame formats. It is an ideal choice for cameras with APS-C sized sensors or larger to ensure even illumination across the entire field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use mounted 1.25\" filters in the Player One Phoenix 7x36mm wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This filter wheel is designed exclusively for \u003cstrong\u003e36mm unmounted filters\u003c\/strong\u003e. The carousel is machined to hold these specific filters securely. Attempting to use other sizes will not work and may damage the wheel's mechanism.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Phoenix 7x36mm filter wheel integrate into an imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTypically, a filter wheel connects directly to the camera body and then to the telescope's focuser or a connected reducer\/flattener. While specific connection threads and back focus distances for the Phoenix wheel are not provided here, Player One filter wheels generally use standard M42 or M48 threads, though you may need specific adapters to achieve correct spacing for your optical system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is used to control the Player One Phoenix filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePlayer One devices are controlled via an \u003cstrong\u003eASCOM driver\u003c\/strong\u003e. This allows the Phoenix filter wheel to be operated by most popular astrophotography acquisition software, such as NINA, Sequence Generator Pro (SGP), or SharpCap, enabling automated filter changes as part of your imaging sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Phoenix 7x36mm wheel suitable for imaging the Horsehead Nebula (Barnard 33) in H-alpha?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. You can load an H-alpha filter into one of the \u003cstrong\u003e7 slots\u003c\/strong\u003e, along with your LRGB filters. Your imaging software can then be programmed to automatically switch to the H-alpha filter to capture the faint emission nebulosity of the Horsehead Nebula, and then switch back to RGB filters for star color, all in one automated session.\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 Capacity\u003c\/td\u003e\n\u003ctd\u003e7 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Filter Size\u003c\/td\u003e\n\u003ctd\u003e36mm Unmounted\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:\/\/player-one-astronomy.com\/service\/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 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\/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":51113374187805,"sku":"POA-PW7-36","price":418.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Phoenix-Filter-Wheel-7x36mm.png?v=1775183937"},{"product_id":"player-one-phoenix-filter-wheel-5x2","title":"Player One Phoenix Filter Wheel - 5x2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates five 2-inch mounted filters\u003c\/li\u003e\n\u003cli\u003eAutomates filter changes for imaging sequences\u003c\/li\u003e\n\u003cli\u003eDesigned for LRGB and narrowband astrophotography\u003c\/li\u003e\n\u003cli\u003eUSB connectivity for software control\u003c\/li\u003e\n\u003cli\u003eRobust, lightweight 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\u003ePlayer One Phoenix Filter Wheel - 5x2\"\u003c\/h2\u003e\n\u003cp\u003eThe Player One Phoenix Filter Wheel provides a robust, automated solution for managing your 2-inch filter sets. Its 5-position carousel is designed specifically for 2-inch mounted filters, enabling seamless transitions between broadband (LRGB) and narrowband (SHO) targets without disassembling your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e5-Position Carousel for 2-Inch Mounted Filters\u003c\/h3\u003e\n\u003cp\u003eThe Phoenix filter wheel is built around a 5-position carousel, ideal for a complete LRGB imaging set plus a specialty filter like H-alpha, or a dedicated trio of SHO narrowband filters. Using 2-inch filters is critical for imagers using full-frame or large APS-C sensors, as it helps prevent vignetting that smaller 1.25\" filters would cause, especially in faster optical 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\u003eAutomated Control for LRGB and Narrowband Imaging\u003c\/h3\u003e\n\u003cp\u003eThis filter wheel is designed to integrate directly into your automated imaging workflow. Connected to your PC via USB and controlled through standard ASCOM drivers, the Phoenix allows your acquisition software to handle all filter changes automatically. This is essential for unattended imaging sessions, allowing you to program a full night's sequence of different targets or filter types and let the system run without manual intervention.\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 many filters does the Player One Phoenix Filter Wheel hold?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Player One Phoenix 5x2\" Filter Wheel has a 5-position carousel designed to hold five standard 2-inch mounted filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat filter set would work well with the Phoenix wheel for imaging galaxies like Andromeda (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a galaxy target like the Andromeda Galaxy (M31), a standard LRGB (Luminance, Red, Green, Blue) filter set is ideal. The 5-position carousel of the Phoenix wheel allows you to load all four filters and still have one slot free for a narrowband filter, such as H-alpha, to capture star-forming regions within the galaxy's arms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Player One Phoenix wheel for narrowband imaging of the Veil Nebula (NGC 6960) with my monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Phoenix wheel is an excellent choice for narrowband imaging. You can load it with the three primary \"Hubble palette\" filters (Hydrogen-alpha, Oxygen-III, and Sulphur-II) to capture the intricate details of supernova remnants like the Veil Nebula (NGC 6960). The remaining two slots could be used for other narrowband filters or left empty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I choose a 5-position filter wheel over one with more slots?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 5-position filter wheel represents a trade-off favoring a more compact, lightweight, and often more affordable design. It's perfect for imagers who primarily use one set of filters (e.g., LRGB or SHO) at a time. If you need to have LRGB and a full set of narrowband filters loaded simultaneously, a wheel with 7 or more positions would be more suitable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Player One Phoenix filter wheel require external power?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMost modern electronic filter wheels, including the Player One Phoenix, are powered directly through the USB cable that connects them to your computer. This simplifies cable management by avoiding the need for a separate 12V power supply.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Phoenix filter wheel compatible with popular imaging software like N.I.N.A. or Sequence Generator Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Player One provides ASCOM drivers for their hardware. As long as you have the correct driver installed, any ASCOM-compliant software, including popular choices like N.I.N.A., Sequence Generator Pro (SGP), and SharpCap, can control the Phoenix filter wheel for automated imaging sequences.\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 Capacity\u003c\/td\u003e\n\u003ctd\u003e5 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Filter Size\u003c\/td\u003e\n\u003ctd\u003e2\" Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC Connection\u003c\/td\u003e\n\u003ctd\u003eUSB\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:\/\/player-one-astronomy.com\/service\/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 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\/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":51113382150429,"sku":"POA-PW5-2","price":418.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Phoenix-Filter-Wheel-5x2.png?v=1775184005"},{"product_id":"player-one-phoenix-filter-wheel-7x2","title":"Player One Phoenix Filter Wheel -7x2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHolds seven 2-inch mounted filters\u003c\/li\u003e\n\u003cli\u003eAutomates filter changes for unattended imaging\u003c\/li\u003e\n\u003cli\u003eIdeal for LRGB and narrowband palettes\u003c\/li\u003e\n\u003cli\u003eDesigned for cameras with large format sensors\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\u003ePlayer One Phoenix Filter Wheel -7x2\"\u003c\/h2\u003e\n      \u003cp\u003eThe Player One Phoenix Filter Wheel automates your imaging workflow by holding a full complement of seven 2-inch mounted filters. This 7-position capacity allows you to install a complete LRGB and narrowband (Ha, SII, OIII) filter set simultaneously, eliminating the need to swap filters between imaging sessions on different targets. The wheel is built around the 2-inch filter standard, making it the correct choice for imagers using cameras with APS-C or larger sensors to prevent vignetting.\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 7-Position Carousel for Complex Palettes\u003c\/h3\u003e\n      \u003cp\u003eWith slots for seven different filters, the Phoenix filter wheel enables complex, multi-wavelength imaging projects without manual intervention. You can load luminance, red, green, and blue filters alongside three narrowband filters, giving you the flexibility to capture broadband color and emission-line detail in a single, automated sequence. This 7-filter capacity is a significant step up from 5-position wheels, which force a choice between a full color set or a narrowband set.\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\u003eSized for 2-Inch Mounted Filters\u003c\/h3\u003e\n      \u003cp\u003eThe Phoenix wheel is specifically designed for 2-inch mounted filters, the standard for preventing vignetting on cameras with large sensors (APS-C and full-frame). Using smaller 1.25\" filters with these sensors would severely darken the corners of your images, but the larger clear aperture of 2-inch filters ensures the entire sensor is evenly illuminated. This makes the Phoenix an essential component for building a wide-field, large-format imaging train.\u003c\/p\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 kind of filters can I use with the Player One Phoenix 7x2\" Filter Wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Player One Phoenix Filter Wheel is designed to accept any standard \u003cstrong\u003e2-inch mounted filter\u003c\/strong\u003e. This includes broadband LRGB (Luminance, Red, Green, Blue) filters, narrowband filters (like H-alpha, OIII, SII), and multi-bandpass filters. The 7-position carousel provides enough space for a complete LRGB and narrowband set to be installed at the same time.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Phoenix 7x2\" Filter Wheel a good match for my full-frame monochrome camera like the ZWO ASI6200MM?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, absolutely. A 7x2\" filter wheel like the Phoenix is the ideal choice for a full-frame camera. The large \u003cstrong\u003e2-inch filter format\u003c\/strong\u003e is necessary to prevent vignetting (darkening of the corners) on large sensors. The seven slots allow you to build a comprehensive filter set for capturing both true-color and detailed emission data from objects like the Orion Nebula (M42) without ever needing to open the imaging train.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the Player One Phoenix Filter Wheel during an imaging session?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Player One Phoenix Filter Wheel is controlled via a USB connection to your computer or astro device (like an ASIAIR). It is compatible with standard astronomy software through ASCOM or INDI drivers. This allows your imaging software (such as N.I.N.A., Sequence Generator Pro, or KStars\/Ekos) to automatically rotate the wheel to the correct filter as defined in your imaging sequence.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of a 7-position wheel over a 5-position wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA \u003cstrong\u003e7-position wheel\u003c\/strong\u003e allows you to keep a full set of LRGB filters (4 slots) and a full narrowband SHO palette (3 slots for SII, H-alpha, and OIII) installed simultaneously. With a 5-position wheel, you would have to choose, for example, between LRGB filters or a narrowband set, requiring you to physically swap filters if you wanted to image different types of targets in the same night.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Phoenix 7x2\" Filter Wheel work with my f\/4 Newtonian telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the Player One Phoenix is compatible with fast optical systems like an f\/4 Newtonian. The key consideration with fast scopes is achieving correct back focus and avoiding vignetting, which the \u003cstrong\u003e2-inch filter format\u003c\/strong\u003e is designed to do. Ensure you have the proper adapters and spacing to meet your camera's back focus requirements for sharp stars across the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Player One Phoenix Filter Wheel powered?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eLike most modern astronomy filter wheels, the Phoenix is typically powered directly through its USB connection to the control computer or hub. This simplifies cable management, as it does not require a separate 12V DC power supply.\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\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd\u003e7 Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCompatible Filter Size\u003c\/td\u003e\n\u003ctd\u003e2-inch Mounted\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\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/player-one-astronomy.com\/service\/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 Software\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\/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":51113400303901,"sku":"POA-PW7-2","price":558.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Phoenix-Filter-Wheel-7x2.png?v=1775184082"},{"product_id":"player-one-phoenix-filter-wheel-7x50mm","title":"Player One Phoenix Filter Wheel -7x50mm","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates seven 50mm round, unmounted filters\u003c\/li\u003e\n\u003cli\u003eDesigned for large-format and full-frame sensors\u003c\/li\u003e\n\u003cli\u003eEnables automated LRGB and narrowband imaging sequences\u003c\/li\u003e\n\u003cli\u003eRobust construction for heavy camera and optical trains\u003c\/li\u003e\n\u003cli\u003eIntegrates with standard astronomy imaging software\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\u003ePlayer One Phoenix Filter Wheel - 7x50mm\u003c\/h2\u003e\n\u003cp\u003eThe Player One Phoenix Filter Wheel is built to manage the demands of large-format astrophotography, holding a carousel of seven 50mm round filters. This capacity is essential for imagers using full-frame or larger monochrome sensors, enabling fully automated sequences for LRGB, narrowband, and other multi-filter imaging projects without vignetting.\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\u003eAutomated Imaging with 7 Filter Positions\u003c\/h3\u003e\n\u003cp\u003eWith seven slots for 50mm filters, the Phoenix filter wheel allows you to load a complete set of LRGB and narrowband (SHO) filters at the same time. This eliminates the need for manual filter changes during an imaging session, allowing your capture software to run entire sequences unattended overnight. You can transition seamlessly between collecting luminance data and capturing hours of H-alpha, OIII, or SII data on targets like the Heart Nebula (IC 1805).\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\u003eEngineered for 50mm Filters and Large-Format Sensors\u003c\/h3\u003e\n\u003cp\u003eThe 50mm filter format is the standard for preventing vignetting on cameras with full-frame (36x24mm) or larger sensors. The Phoenix wheel is specifically designed around this requirement, ensuring that the entire light cone from your telescope reaches the corners of your sensor. Its robust mechanical design provides the rigidity needed to support heavy, cooled CMOS or CCD cameras without flexure, maintaining precise optical alignment throughout the night.\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 types of sensors is the Player One Phoenix 7x50mm filter wheel designed for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003ePlayer One Phoenix 7x50mm\u003c\/strong\u003e is specifically designed for cameras with \u003cstrong\u003efull-frame (36x24mm) or larger astronomy sensors\u003c\/strong\u003e. The 50mm filter size is necessary to prevent vignetting (darkening of the corners of the image) that would occur with smaller 2\" or 1.25\" filters on these large sensors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2-inch mounted filters in the Phoenix 7x50mm wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This filter wheel is designed for \u003cstrong\u003e50mm round, unmounted filters\u003c\/strong\u003e. Mounted 2-inch filters, which typically have M48 threads, will not fit into the carousel slots designed for unmounted filter disks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I set up the Phoenix 7x50mm for imaging the Andromeda Galaxy (M31) with a full-frame monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a galaxy like M31, you would typically load the \u003cstrong\u003ePlayer One Phoenix 7x50mm\u003c\/strong\u003e wheel with Luminance, Red, Green, and Blue (LRGB) filters. You could use the remaining three slots for narrowband filters like H-alpha to capture star-forming regions within the galaxy's arms, all within a single automated imaging plan controlled by software like N.I.N.A. or Sequence Generator Pro.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is compatible with the Player One Phoenix filter wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Player One Phoenix filter wheel is controlled via a USB connection to a PC. It is compatible with all major astrophotography software suites that support the \u003cstrong\u003eASCOM platform\u003c\/strong\u003e. This includes popular applications like N.I.N.A., Sequence Generator Pro (SGP), SharpCap, and TheSkyX.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the weight of the Phoenix 7x50mm a concern for a mount like the Sky-Watcher EQ6-R Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 7-position, 50mm filter wheel is inherently larger and heavier than smaller format wheels. While a robust mount like the EQ6-R Pro can handle it, you must account for the total weight of your entire imaging train—including the camera, filter wheel, off-axis guider, and telescope. Ensure your total payload is well within the mount's recommended imaging capacity and that the system is properly balanced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Phoenix filter wheel require external power?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMotorized filter wheels typically draw power through their USB connection for basic operation. However, for reliable performance, especially when connected through a USB hub, using a separate 12V DC power supply (if supported) is often recommended to ensure the motor has sufficient power to rotate the carousel without issue. Please refer to the product manual for specific power requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player_One_PW7x50mm_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\"\u003eDownload 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:\/\/player-one-astronomy.com\/service\/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 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\/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":51113415770397,"sku":"POA-PW7-50","price":558.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Player-One-Phoenix-Filter-Wheel-7x50mm.png?v=1775184145"},{"product_id":"william-optics-elite-drawer-oag-kit","title":"William Optics Elite Drawer OAG Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIntegrates Off-Axis Guider and Filter Drawer\u003c\/li\u003e\n\u003cli\u003e37.5 mm Optical Length\u003c\/li\u003e\n\u003cli\u003eSupports M48, M54, and M68 Connections\u003c\/li\u003e\n\u003cli\u003eMagnetic M48 Filter Holder\u003c\/li\u003e\n\u003cli\u003e336 g (11.85 oz) Total Weight\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\u003eWilliam Optics Elite Drawer OAG Kit\u003c\/h2\u003e\n\u003cp\u003eThe William Optics Elite Drawer OAG Kit streamlines your imaging train by combining a precise off-axis guider and a magnetic M48 filter drawer into a single 336 g unit. This integrated design consumes only 37.5 mm of optical length, providing a rigid, compact solution for connecting telescopes and cameras using the included M48, M54, and M68 adapters.\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 37.5 mm Solution for Complex Imaging Trains\u003c\/h3\u003e\n\u003cp\u003eBy merging two critical accessories, the Elite Drawer OAG eliminates common sources of flexure and saves precious back focus. Its total optical path of just 37.5 mm makes it possible to build complex imaging trains with correctors or reducers, even on systems with limited focus travel. The single, solid body weighs only 336 g, reducing mechanical strain on your focuser compared to stacking separate components.\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\u003eOff-Axis Guiding with an Adjustable Prism and Helical Focuser\u003c\/h3\u003e\n\u003cp\u003eThe OAG features a high-transmission prism that can be adjusted in height, allowing you to pick off guide stars from the edge of the field without vignetting your main camera sensor. The dedicated guide port accepts both M42-threaded and 1.25\" push-in guide cameras. A non-rotating helical focuser provides smooth, precise focus adjustments for your guide camera, ensuring you achieve sharp stars without disturbing the main imaging 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\u003eSecure Magnetic M48 Filter Swaps\u003c\/h3\u003e\n\u003cp\u003eIntegrated into the OAG body is a magnetic drawer system designed for a single M48 (2-inch) mounted filter. This design allows for rapid filter changes without needing to disassemble any part of your imaging train. The magnetic holder ensures the filter is seated securely and parallel to the sensor plane, maintaining optical alignment from shot to shot.\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, M54, and M68 Adapters for System Flexibility\u003c\/h3\u003e\n\u003cp\u003eThis kit is built for broad compatibility across different telescope and camera systems. It includes adapters for M48, M54, and M68 connections on the telescope side, and M48 and M54 adapters for the camera side. This extensive set of included hardware ensures you can integrate the Elite Drawer OAG into most modern imaging setups right out of the box.\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\u003eElite Drawer OAG vs. Separate Components: An Integrated Advantage\u003c\/h3\u003e\n\u003cp\u003eChoosing an integrated system like the Elite Drawer OAG offers distinct advantages over purchasing a separate OAG and filter drawer.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Focus Savings:\u003c\/strong\u003e A typical OAG and filter drawer might consume 20mm + 21mm (41mm) of back focus. At 37.5 mm, this integrated unit saves critical millimeters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Flexure:\u003c\/strong\u003e With one solid body instead of two separate accessories threaded together, you have fewer potential points of mechanical flex, leading to rounder stars across long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplicity and Weight:\u003c\/strong\u003e A single, 336 g component is often lighter and always simpler to manage in the dark than two separate parts. The trade-off is the inability to use a filter wheel for automated changes, as this system is designed for single-filter use.\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 total optical length of the William Optics Elite Drawer OAG Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe William Optics Elite Drawer OAG Kit adds exactly \u003cstrong\u003e37.5 mm\u003c\/strong\u003e of optical length to your imaging train. This compact measurement is crucial for systems with limited back focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat filter size does the Elite Drawer OAG Kit use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe magnetic filter holder is designed to accept one standard \u003cstrong\u003eM48 x 0.75 (2-inch) mounted filter\u003c\/strong\u003e. It is not compatible with unmounted filters or other filter sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I focus the guide camera on the Elite Drawer OAG Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe guide port features a built-in \u003cstrong\u003ehelical focuser\u003c\/strong\u003e. By turning the knurled ring on the guide port, you can make fine focus adjustments to your guide camera without affecting the main camera focus. The port accepts both 1.25\" push-in and M42-threaded guide cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the 37.5 mm optical path of the Elite Drawer OAG Kit work with my Newtonian that has limited back focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAt 37.5 mm, the Elite Drawer OAG is one of the more back-focus-friendly integrated solutions available. However, you must first confirm the total available back focus of your specific Newtonian telescope and imaging train. Measure the distance from your coma corrector's shoulder to the required sensor position and ensure it is greater than 37.5 mm plus any other required spacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the Elite Drawer OAG between my William Optics refractor with an M68 focuser and my camera with M48 threads?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe kit includes the necessary adapters for this exact scenario. You would use the included \u003cstrong\u003eM68 adapter\u003c\/strong\u003e to thread the OAG onto your telescope's focuser drawtube. On the other side, you would use the included \u003cstrong\u003eM48 adapter\u003c\/strong\u003e to connect to your camera's M48 threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the prism position adjustable on the William Optics Elite Drawer OAG?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the prism stalk can be raised or lowered. This allows you to position the prism at the optimal depth to intercept guide stars from the edge of your telescope's corrected image circle without casting a shadow on your main imaging sensor.\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 Length\u003c\/td\u003e\n\u003ctd\u003e37.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Side Connections\u003c\/td\u003e\n\u003ctd\u003eM54, M48, M68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Connection (Main)\u003c\/td\u003e\n\u003ctd\u003eM54, M48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Side Connection (Guide)\u003c\/td\u003e\n\u003ctd\u003eM42, 1.25\" push-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e336 g \/ 11.85 oz\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\u003ca href=\"https:\/\/davidastro.com\/pages\/william-optics-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eWilliam Optics 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":52662242214173,"sku":"WO-M-OAG-ED","price":543.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/William-Optics-Elite-Drawer-OAG-1.jpg?v=1785457639"},{"product_id":"askar-m54-filter-drawer","title":"Askar Multifunctional Filter Drawer","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIntegrates telescope and camera adapters to reduce complexity\u003c\/li\u003e\n\u003cli\u003eAccepts five common filter formats in a single system\u003c\/li\u003e\n\u003cli\u003eSupports 1.25\" and 2\" mounted filters\u003c\/li\u003e\n\u003cli\u003eSupports 31mm, 36mm, and 50mm unmounted filters\u003c\/li\u003e\n\u003cli\u003eDesigned to simplify imaging train setup for astrophotographers\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\u003eAskar Multifunctional Filter Drawer\u003c\/h2\u003e\n\u003cp\u003eThe Askar Multifunctional Filter Drawer is engineered to accept five of the most common filter formats, including both 1.25\" and 2\" mounted filters, as well as 31mm, 36mm, and 50mm unmounted filters. This integrated five-in-one design eliminates the complex and often confusing task of matching separate adapters and filter holders to your specific camera and telescope.\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 Five-in-One Solution to Adapter Complexity\u003c\/h3\u003e\n\u003cp\u003eFor many astrophotographers, especially those new to the hobby, building a compatible imaging train is a significant hurdle. Askar addresses this by integrating the most common telescope-side and camera-side adapters directly into the filter drawer's ecosystem, creating a single, cohesive unit that simplifies connections and removes a major point of failure and frustration.\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\u003eSupports 5 Common Filter Formats: From 1.25\" to 50mm\u003c\/h3\u003e\n\u003cp\u003eThis drawer's primary strength is its ability to accommodate nearly any filter in your collection without requiring you to buy multiple holders. It is designed to work seamlessly with standard 1.25\" and 2\" mounted filters, and also includes a secure retention system for 31mm, 36mm, and 50mm unmounted filters, giving you the flexibility to invest in cost-effective unmounted glass as your needs evolve.\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 Mounting for Both Mounted \u0026amp; Unmounted Filters\u003c\/h3\u003e\n\u003cp\u003eThe Askar Multifunctional Filter Drawer ensures every filter is held securely and centered in the optical path. Mounted 1.25\" and 2\" filters thread directly into the appropriate slider for a rigid connection. For unmounted filters, a machined groove and a dedicated holding ring, fixed by three M2 countersink screws, clamp the filter in place without causing stress or tilt.\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 makes the Askar Multifunctional Filter Drawer \"multifunctional\"?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts functionality comes from its \"five-in-one\" design. It is engineered to solve the common problem of adapter and filter incompatibility by supporting the five most common filter types (\u003cstrong\u003e1.25\" mounted, 2\" mounted, 31mm unmounted, 36mm unmounted, and 50mm unmounted\u003c\/strong\u003e) and integrating connections for a wide variety of telescopes and astronomy cameras into a single system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install an unmounted 36mm filter in this Askar drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo install an unmounted filter, you first select the appropriate filter slider. You then gently place the \u003cstrong\u003e36mm filter\u003c\/strong\u003e into the circular groove on the slider. Place the included filter holding ring over it, and use the M1.27 wrench to tighten the three M2x4 countersink screws, which will securely hold the filter in place without touching the optical surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this filter drawer connect to my specific telescope and camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Askar Multifunctional Filter Drawer is designed to be broadly compatible with \"various camera threads\" and \"various telescope threads.\" However, because specific adapters are not listed in the box contents, you should verify which adapters are included with the drawer or sold separately to ensure a perfect match for your equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs a filter slider included with the Askar Multifunctional Filter Drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe provided \"What's in the Box\" list is empty, so we cannot confirm if a filter slider is included with the base product. It is common for filter drawers that support multiple formats to have sliders sold separately. Please check the product options or purchase the specific sliders you need for your filter sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2-inch mounted filters from any brand with this Askar drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The drawer is designed to accept any standard \u003cstrong\u003e2-inch mounted filter\u003c\/strong\u003e, which uses a universal M48x0.75 thread. You can confidently use filters from any manufacturer as long as they adhere to this common astronomical standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the benefit of the Askar filter drawer over a filter wheel on my 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA filter drawer offers a lighter, more compact, and often more affordable solution compared to an electronic filter wheel. For an 8\" SCT setup where back-focus and weight are concerns, the Askar drawer provides a simple, manual way to swap filters. The trade-off is speed; a filter wheel is much faster for cycling through filters, which is a key advantage for automated LRGB or narrowband imaging sequences.\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\/askar-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eAskar 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":52851343163677,"sku":"ASK-ASKAR54FD","price":229.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Askar-Multifunctional-Filter-Drawer-1_f4cbae59-bad0-4324-99dc-c8faa9edf48d.jpg?v=1788401854"},{"product_id":"svbony-sv226p-telescope-filter-drawer-for-off-axis-guider-oag","title":"SVBONY SV226P Telescope Filter Drawer for Off-Axis Guider (OAG)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSupports both 1.25\" and 2\" filters in one drawer\u003c\/li\u003e\n\u003cli\u003e12-point M2.5 threaded mounting for guide camera stability\u003c\/li\u003e\n\u003cli\u003eIncludes M42, M48, and M28.5 threads for versatile connections\u003c\/li\u003e\n\u003cli\u003eOne-piece aluminum construction prevents flexure and light leaks\u003c\/li\u003e\n\u003cli\u003eMagnetic holder and side-lock screw secure filter placement\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\u003eFilter Drawer for OAG | SVBONY SV226P\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV226P Filter Drawer for OAG streamlines your imaging train by accommodating both 1.25\" and 2\" filters in a single, secure housing. Its design integrates directly with off-axis guiders, providing 12 separate M2.5 threaded points to ensure your guide camera remains perfectly aligned and stable. With native M42, M48, and M28.5 threads, this filter drawer connects to a wide array of correctors, cameras, and telescopes without requiring extensive adapters.\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 1.25\" and 2\" Filter Support in a Single Drawer\u003c\/h3\u003e\n\u003cp\u003eThe SV226P eliminates the need for multiple filter drawers by supporting both 1.25\" and 2\" mounted filters in one holder. This universal design simplifies your setup, reducing the amount of gear you need to manage in the field. To ensure your filters remain secure during slewing and tracking, the drawer uses strong H-type magnets and a side-lock screw, preventing any unwanted movement or tilt that could compromise your images.\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\u003eRigid 12-Point Guide Camera Mounting\u003c\/h3\u003e\n\u003cp\u003eWhen used with an off-axis guider, the stability of the guide camera is critical for sharp, round stars. The SVBONY SV226P provides a robust mounting solution with 12 distinct M2.5 threaded points. This extensive pattern allows for precise, rigid attachment of your guide camera, eliminating the flexure that can ruin long exposures. The entire unit is machined from a single piece of aerospace aluminum, further enhancing its rigidity and ensuring there are no seams to permit light leaks.\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\u003eM42, M48, and M28.5 Thread Compatibility\u003c\/h3\u003e\n\u003cp\u003eVersatility is key to building a functional imaging train. The SV226P includes the most common astronomical threads—M42x0.75 (T-thread), M48x0.75 (2\" filter thread), and M28.5x0.6 (1.25\" filter thread)—to ensure broad compatibility. An included adapter helps bridge these connections, allowing you to easily integrate the filter drawer with flatteners, reducers, cameras, and the OAG itself, maintaining correct spacing and a secure optical path.\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 SVBONY SV226P support both 1.25\" and 2\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV226P features a single, versatile filter holder designed to accept either a standard 2\" mounted filter or a 1.25\" mounted filter. This eliminates the need to swap out different drawers or holders when changing filter sizes, streamlining your workflow during an imaging session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat prevents the filter from moving inside the SV226P drawer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe drawer uses a dual-security system. \u003cstrong\u003eStrong H-type magnets\u003c\/strong\u003e pull the drawer firmly into the housing for a secure fit, while a \u003cstrong\u003emanual side-lock screw\u003c\/strong\u003e provides an additional mechanical lock. This combination prevents any shifting, tilting, or rattling, even as the telescope slews across the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the SVBONY SV226P introduce flexure when used with a heavy camera on my SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV226P is engineered to minimize flexure. It is machined from a \u003cstrong\u003esingle piece of aerospace-grade aluminum\u003c\/strong\u003e, which provides high rigidity and strength. The 12-point M2.5 mounting system for the OAG's guide camera further ensures that all components are locked down, making it a solid choice for demanding imaging trains.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the 12 mounting points on the SV226P benefit my guiding?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 12 separate M2.5 threaded holes provide a highly stable and precisely aligned platform for your off-axis guider's prism and guide camera. By preventing any sag or movement of the guide camera relative to the main imaging camera, the SV226P ensures your autoguiding corrections are accurate, resulting in sharper final images with round stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow can I connect the SVBONY SV226P between my refractor's M48 flattener and M42 camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV226P is ideal for this scenario. It includes native M48 and M42 threads. You can thread the M48 side directly onto your flattener and the M42 side directly to your camera or T-ring, placing the filter slot conveniently in the optical path while maintaining secure, threaded connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SVBONY SV226P light-tight for long-exposure astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The one-piece construction and precise machining are designed to create a light-tight seal. This prevents stray light from entering the optical path and causing gradients or artifacts in your long-exposure images of faint targets like the Orion Nebula (M42).\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\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY Warranty Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861226516765,"sku":"SV-W9184D","price":63.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-Filter-Drawer-for-OAG-SVBONY-SV226P-1_62334f64-950b-4e10-b007-abb37386d462.jpg?v=1788659538"},{"product_id":"svbony-sv133-5-position-filter-wheel-125in","title":"SVBONY SV133 5-Position Filter Wheel - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates five standard 1.25\" threaded filters\u003c\/li\u003e\n\u003cli\u003eManual wheel with precise click-stop positioning\u003c\/li\u003e\n\u003cli\u003eT2-threaded connections for direct camera attachment\u003c\/li\u003e\n\u003cli\u003eSolid metal construction weighs only 351.5g (12.4oz)\u003c\/li\u003e\n\u003cli\u003eEnables rapid filter changes without removing your camera\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\u003eSVBONY SV133 1.25\" 5-Position Filter Wheel\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV133 Filter Wheel streamlines your imaging workflow by holding five 1.25\" filters, allowing for rapid changes without disturbing your camera or focus. Its manual, click-stop carousel provides tactile feedback for precise alignment in the dark, and the all-metal body weighs just 351.5g to minimize focuser load.\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\u003e5-Position Carousel for Rapid 1.25\" Filter Swaps\u003c\/h3\u003e\n\u003cp\u003eStop wasting valuable imaging time unscrewing and re-threading filters in the dark. The SV133's internal carousel holds up to five standard 1.25\" filters, letting you switch from a luminance filter to RGB, or to a narrowband filter like H-alpha, with a simple turn of the wheel. This design keeps your filters protected from dust and fingerprints while dramatically speeding up your acquisition sequence.\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\u003eT2-Threaded Body for Secure DSLR and CCD Integration\u003c\/h3\u003e\n\u003cp\u003eBuilt for astrophotography, the SV133 uses standard T2 (M42x0.75) threads on both the telescope and camera side. This ensures a rigid, secure connection directly to your T2-equipped DSLR or dedicated astronomy camera, eliminating the flexure and potential light leaks common with less secure adapters. It provides a stable optical platform essential for sharp, calibrated images.\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\u003ePrecise Indexing: A 351.5g Zero-Flexure Design\u003c\/h3\u003e\n\u003cp\u003eEach of the five filter positions locks into place with a precise, tactile click, ensuring perfect and repeatable alignment with your camera's sensor every time. This positive indexing prevents optical deviation between exposures, which is critical for accurate flat-field calibration. The robust metal construction, weighing 351.5g, maintains this rigidity without placing excessive strain on your focuser.\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 SVBONY SV133 filter wheel attach to a telescope and camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV133 features female T2 (M42x0.75) threads on the camera side and comes with a 1.25\" nosepiece and a T2-to-T2 adapter for the telescope side. You can thread it directly onto a T2-threaded focuser or insert the 1.25\" nosepiece into a standard focuser. Your T2-ring equipped DSLR or astronomy camera then threads directly onto the filter wheel for a secure connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the SV133 over changing 1.25\" filters manually?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is efficiency and consistency. With the SV133, you can switch between 5 different filters in seconds without removing your camera, risking dust on the sensor, or changing focus. Each filter clicks into the exact same position, which is crucial for taking accurate calibration frames (flats).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY SV133 for planetary imaging of Jupiter with a color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. You can load the SV133 filter wheel with a UV\/IR Cut filter to sharpen the image, a light pollution filter like a UHC, and contrast-enhancing color filters (like a light blue #80A) to bring out detail in Jupiter's cloud bands. This allows you to quickly compare the view through different filters to see which provides the best detail on a given night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging the Andromeda Galaxy (M31) with the SV133, what filters would be useful?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor imaging a broadband target like the Andromeda Galaxy (M31) with the SV133, a typical loadout would be:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuminance (L):\u003c\/strong\u003e For capturing fine detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed (R), Green (G), Blue (B):\u003c\/strong\u003e For capturing color information.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH-alpha (Ha):\u003c\/strong\u003e To capture the red star-forming regions within the galaxy's spiral arms.\u003c\/li\u003e\n\u003c\/ul\u003e\nThis allows you to complete a full LRGB+Ha imaging sequence efficiently.\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much weight does the SVBONY SV133 add to my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV133 filter wheel has a net weight of \u003cstrong\u003e351.5g (12.4oz)\u003c\/strong\u003e without filters installed. You should account for this weight when balancing your telescope mount to ensure accurate tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SVBONY SV133 filter wheel difficult to use in the dark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it's designed for use in the dark. The large, knurled wheel is easy to grip with gloves on, and each of the 5 filter positions engages with a firm, audible click. This provides positive confirmation that the filter is correctly aligned without needing to look at it.\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\u003eType\u003c\/td\u003e\n\u003ctd\u003eManual Filter Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Capacity\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\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\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e351.5g \/ 12.4oz\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\"\u003eSV133 1.25\" 5-Position Filter Wheel\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\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861235724573,"sku":"SV-W9103A","price":68.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV133-Filters-Wheel-1-25inch-Multiple-5-Position-1_18b63c21-40c2-4c7c-98ee-069d7e3fb9c6.jpg?v=1788660131"},{"product_id":"svbony-sv133-5-position-filter-wheel-2in","title":"SVBONY SV133 5-Position Filter Wheel - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAccommodates five 2-inch filters\u003c\/li\u003e\n\u003cli\u003e2-inch barrel for telescope connection\u003c\/li\u003e\n\u003cli\u003e2-inch eyepiece and camera compatibility\u003c\/li\u003e\n\u003cli\u003eEnables rapid filter changes during sessions\u003c\/li\u003e\n\u003cli\u003eDesigned for deep-sky astrophotography\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\u003eSVBONY SV133 2\" 5-Position Filter Wheel for Deep Sky Astrophotography\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV133 2\" 5-Position Filter Wheel resolves the most tedious aspect of multi-filter imaging by allowing you to switch between 5 different 2\" filters with a simple turn. This design eliminates the need to remove your camera or eyepiece, preserving focus and alignment while protecting your sensors from dust and dew during critical deep-sky astrophotography sessions.\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\u003e5-Position Filter Management: Streamline Your Imaging Workflow\u003c\/h3\u003e\n\u003cp\u003eBy loading the SV133 wheel with your LRGB or narrowband filter set, you can capture sequential exposures without interruption. A gentle click of the wheel is all it takes to move from a Luminance filter to Red, Green, or Blue, ensuring each frame is parfocal and precisely aligned. This efficiency is crucial for maximizing clear sky time and achieving perfectly registered color composites.\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\u003e2-Inch Format for Modern Cameras and Eyepieces\u003c\/h3\u003e\n\u003cp\u003eDesigned around the 2-inch standard, the SV133 filter wheel is compatible with the wide-field eyepieces and large-format DSLR or dedicated astronomy cameras used in modern deep-sky imaging. The internal mechanism ensures accurate and repeatable indexing, so each filter locks into the same position in the optical path every time, preventing any deviation or shift in your field of view.\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 kind of filters can I use with the SVBONY SV133 Filter Wheel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV133 is designed for standard \u003cstrong\u003e2-inch mounted astronomical filters\u003c\/strong\u003e. You can load it with a complete LRGB (Luminance, Red, Green, Blue) set for color imaging, or a narrowband set (like H-alpha, OIII, and SII) for capturing specific emission nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to refocus after switching filters with the SVBONY SV133?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIf you are using a set of \u003cstrong\u003eparfocal filters\u003c\/strong\u003e from the same manufacturer, you should not need to refocus, or will only need a minimal adjustment. The SV133's precise indexing mechanism ensures each filter returns to the exact same optical distance, which is key to maintaining focus throughout an imaging sequence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the SVBONY SV133 help with imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a broadband target like the Andromeda Galaxy (M31), you would typically use an LRGB filter set. The SVBONY SV133 allows you to efficiently capture data through each filter in succession. You can take a series of long exposures with the Luminance filter for detail, then quickly cycle through the R, G, and B filters to gather color information without ever disassembling your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY SV133 for visual observing with my 12\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. For visual use, you can load the SVBONY SV133 with different nebula filters, such as a UHC, OIII, and H-Beta. When observing a target like the Veil Nebula (NGC 6960), you can instantly switch between filters to see which one provides the most contrast, enhancing your observing experience without fumbling with filters in the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat adapters are needed to connect my camera to the SVBONY SV133?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV133 uses standard M48 threads (the common standard for 2\" accessories) on both sides. To connect a DSLR, you will need an M48 T-ring specific to your camera brand. For dedicated astronomy cameras, you will need the appropriate M48 spacers to achieve correct back focus. Note that an M48 to M42 adapter is not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the SVBONY SV133 add significant weight or length to my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eLike any filter wheel, the SVBONY SV133 will add some weight and increase the back focus requirement of your optical train. While it is designed to be sturdy yet reasonably lightweight, you must ensure your focuser can handle the additional load and that you have enough back focus travel available, especially when used with focal reducers or flatteners.\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!-- No specifications were provided in the source data. --\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c!-- No contents were provided in the source data. --\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c!-- No manual or software download links were found for this product. --\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861235790109,"sku":"SV-W9103B","price":91.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV133-2-5-Position-Filter-Wheel-for-Deep-Sky-Astrophotography-1_599c30c7-1481-4771-81e7-14655ce00ae6.jpg?v=1788660143"},{"product_id":"svbony-sv226-m42-telescope-filter-drawer","title":"SVBONY SV226 M42 Telescope Filter Drawer","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMagnetic drawer for rapid filter changes\u003c\/li\u003e\n\u003cli\u003eCNC-molded integrated body for light-leak prevention\u003c\/li\u003e\n\u003cli\u003eNative M42x0.75 threads for common cameras and reducers\u003c\/li\u003e\n\u003cli\u003eIncludes M42 to M48 adapter for wider compatibility\u003c\/li\u003e\n\u003cli\u003eAccepts both 1.25\" and 2\" mounted filters\u003c\/li\u003e\n\u003cli\u003eSide locking screw for tension adjustment\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\u003eSVBONY SV226 M42 Filter Drawer\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV226 M42 Filter Drawer streamlines your astrophotography workflow by enabling rapid, secure filter changes without altering your imaging train. Its integrated, CNC-molded body provides a light-tight seal essential for long exposures. The strong magnetic holder allows for quick, positive insertion of filter sliders, while the included M42-to-M48 adapter ensures compatibility across a wide range of telescopes, reducers, and cameras.\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 Holder: Secure, Tool-Free Filter Swaps\u003c\/h3\u003e\n\u003cp\u003eChanging filters in the dark can introduce vibrations or require fumbling with threaded cells. The SV226 uses a strong magnetic attraction to securely seat the filter holder, providing a faster and more reliable alternative to traditional screw-in filter wheels or cells. This design ensures a firm connection that prevents the filter from shifting or falling, allowing you to swap between LRGB, narrowband, or multi-bandpass filters in seconds.\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\u003eCNC-Molded Body for a Light-Tight Optical Path\u003c\/h3\u003e\n\u003cp\u003eStray light is a critical issue in long-exposure astrophotography, capable of ruining hours of data. The SV226 filter drawer features an integrated body machined from a single block of metal using CNC technology. This unibody construction, combined with its anti-light leaking design, eliminates the gaps and seams found in multi-part assemblies, ensuring your optical path remains completely sealed from external light sources.\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\u003eFlexible Connectivity: M42 Native with Included M48 Adapter\u003c\/h3\u003e\n\u003cp\u003eThe SV226 is built around the common M42x0.75 \"T-thread\" standard, allowing direct connection to many astronomy cameras and accessories. To solve thread compatibility issues with larger format correctors and reducers, SVBONY includes an M42-to-M48 adapter. This allows you to place the filter drawer correctly within your imaging train, whether you are connecting to an SVBONY SV550\/SV503 OTA or other telescopes requiring M48 threads.\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\u003eImaging Train Integration: Back Focus Consumption and Tension Adjustment\u003c\/h3\u003e\n\u003cp\u003eAny accessory added to an imaging train consumes valuable back focus, and a filter drawer is no exception. While the SV226 is designed to be as slim as possible, it's critical to account for its thickness in your optical path calculations. To ensure rigidity, a lock screw on the side of the drawer allows you to adjust the tension, eliminating any potential sag or play in the holder for a more consistent and stable 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 filter sizes does the SVBONY SV226 accept?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV226 filter drawer is designed to be compatible with standard mounted \u003cstrong\u003e1.25\"\u003c\/strong\u003e and \u003cstrong\u003e2\"\u003c\/strong\u003e filters, making it a versatile option for most astrophotography setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the SVBONY SV226 prevent light leaks?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SV226 features an \u003cstrong\u003eintegrated CNC-molded body\u003c\/strong\u003e. This single-piece construction eliminates the joints and seams that are common points for light intrusion in other designs, ensuring a dark optical path for clean, long-exposure images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect the SV226 filter drawer to my M48 corrector or flattener?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV226 comes with an \u003cstrong\u003eM42-to-M48 adapter\u003c\/strong\u003e. Simply thread this adapter onto the M42 threads of the filter drawer to convert it for use with M48 accessories, ensuring proper connection to most modern field flatteners and focal reducers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the locking screw on the side of the SV226?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe side locking screw allows you to \u003cstrong\u003eadjust the tension\u003c\/strong\u003e on the filter holder. This helps eliminate any minor gap or wobble, ensuring the filter remains perfectly seated and perpendicular to the optical axis, which is critical for maintaining sharp focus across the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY SV226 with my SV503 refractor and an astronomy camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the SV226 is designed for this type of setup. You can connect it between your focal reducer\/flattener and your camera (like the SVBONY F9198F\/F9198K models). The included M42-to-M48 adapter ensures you can match the threads required by your specific optical train configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the magnetic holder on the SV226 improve imaging sessions with my SV550 OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen imaging with your SV550 OTA, the magnetic holder allows you to swap filters quickly and without tools. This is especially useful when capturing LRGB data or switching to a narrowband filter for an object like the North American Nebula (NGC 7000), as it minimizes downtime and reduces the risk of bumping the telescope and losing your guide star.\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\u003eNote\u003c\/td\u003e\n\u003ctd\u003eNo specifications provided.\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\"\u003eNote\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eNo contents list provided.\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\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861266592029,"sku":"SV-W9184A","price":60.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV226-M42-Filter-Drawer-and-drawer-holder-for-Astrophotography-1_0ee4b833-cdb7-41f2-bd87-354cb0563a12.jpg?v=1788660818"},{"product_id":"baader-planetarium-fcct-1-filter-holder-for-rasa-8-inch-77mm-qhy-cameras","title":"Baader Planetarium FCCT 1 Filter Holder for RASA 8\" \u0026 77mm QHY Cameras","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDesigned for the Celestron RASA 8\" Astrograph\u003c\/li\u003e\n\u003cli\u003eEnables filter use in a fast f\/2 optical system\u003c\/li\u003e\n\u003cli\u003eMaintains the RASA's critical back focus distance\u003c\/li\u003e\n\u003cli\u003eCompatible with QHY cameras featuring a 77mm diameter body\u003c\/li\u003e\n\u003cli\u003eSupports models such as the QHY174, QHY163, and QHY183\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 FCCT 1 Filter Holder for RASA 8\" \u0026amp; 77mm QHY Cameras\u003c\/h2\u003e\n\u003cp\u003eThe Baader FCCT 1 provides the definitive filter solution for the Celestron RASA 8\", specifically engineered to integrate 77mm diameter QHY cameras like the QHY174, QHY163, and QHY183. This filter holder works within the RASA 8's demanding optical path, enabling multi-band imaging without compromising the telescope's native f\/2 performance.\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\u003eSeamless Filtration for the RASA 8 Optical System\u003c\/h3\u003e\n\u003cp\u003eThe Celestron RASA 8's aggressive f\/2 optical design leaves no room for a conventional filter wheel, which would violate the system's strict back focus requirements. The Baader FCCT 1 solves this by creating a slim, integrated filter holder that places the filter precisely within the correct optical path. This allows you to capture narrowband or LRGB data without introducing optical aberrations or vignetting caused by improper spacing.\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 77mm QHY Cameras\u003c\/h3\u003e\n\u003cp\u003eThis FCCT 1 is machined for a direct, secure fit with specific QHY camera bodies that feature a 77mm cylindrical diameter, including popular models like the QHY174, QHY163, and QHY183. This dedicated design ensures perfect optical alignment and mechanical stability, eliminating the potential for tilt and flexure that can degrade images from such a fast astrograph.\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 FCCT 1 for the RASA 8?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Baader FCCT 1 is a specialized filter holder. It is designed to let you use imaging filters with specific 77mm diameter QHY cameras on a Celestron RASA 8\" astrograph, an instrument that cannot accommodate a standard filter wheel due to its extremely critical back focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich QHY cameras are compatible with this FCCT 1 holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis holder is designed for QHY cameras that have a \u003cstrong\u003e77mm diameter cylindrical body\u003c\/strong\u003e. This includes popular models such as the \u003cstrong\u003eQHY174\u003c\/strong\u003e, \u003cstrong\u003eQHY163\u003c\/strong\u003e, and \u003cstrong\u003eQHY183\u003c\/strong\u003e. You should always measure your camera body to confirm its diameter before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy can't I use a standard filter wheel with my RASA 8?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe RASA 8 has an extremely short and precise back focus distance. A standard filter wheel is too thick and would place the camera sensor far outside the telescope's focal plane, making it impossible to achieve a sharp image across the field. The FCCT 1 is a thin, integrated solution that works within this critical constraint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the FCCT 1 to shoot the Orion Nebula (M42) in narrowband with my RASA 8?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an ideal application for the FCCT 1. It allows you to insert narrowband filters (like H-alpha or OIII) into the RASA 8's optical path, enabling you to capture high-contrast images of emission nebulae like the Orion Nebula (M42) even from light-polluted locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm imaging the Andromeda Galaxy (M31) with my RASA 8 and QHY183, what does the FCCT 1 allow me to do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe FCCT 1 lets you create a full-color LRGB image of broadband targets like the Andromeda Galaxy (M31). It provides the means to insert and swap Luminance, Red, Green, and Blue filters to capture separate channels, which can then be combined during processing to produce a detailed color photograph.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size filters does the Baader FCCT 1 accept?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe provided specifications do not list the compatible filter size or type (e.g., mounted or unmounted). This information is crucial for proper operation, and you should confirm the required filter specifications from the manufacturer before purchase.\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\u003eTelescope Compatibility\u003c\/td\u003e\n\u003ctd\u003eCelestron RASA 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Compatibility\u003c\/td\u003e\n\u003ctd\u003eQHY Cameras with 77mm diameter body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Camera Models\u003c\/td\u003e\n\u003ctd\u003eQHY174, QHY163, QHY183, and others with same body diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e93mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eCamera Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e21.5mm (incl. 2x 0.5mm Spacer wich can be added)\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 I Filter Holder for RASA 8\" and 77mm QHY Cameras\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\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913140597021,"sku":"BAA-2459070","price":430.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-FCCT-1-for-RASA-8-suitable-for-77mm-QHY-Cameras-e-g-QHY-174-163-183-1_011ef236-4da3-4804-9543-3752863df30c.jpg?v=1789086648"},{"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"}],"url":"https:\/\/davidastro.com\/collections\/filter-wheels-and-drawers.oembed","provider":"David Astro","version":"1.0","type":"link"}