{"product_id":"zwo-7x2-efw-electronic-filter-wheel-next-gen-7-position-for-2-or-50-4-mm-filters-pre-owned","title":"ZWO 7x2 EFW Electronic Filter Wheel - Next Gen - 7 Position for 2\" or 50.4 mm Filters - (Pre-owned)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(246, 9, 9);\"\u003eIn good working condition. \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(246, 9, 9);\"\u003eSold as is, included parts are shown in the pictures.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4 style=\"text-align: center;\"\u003eZWO 7x2 EFW Electronic Filter Wheel with Anti-Light-Leak Technology\u003cbr\u003e7 Position, Uses 2\" Threaded or 50.4 mm Unthreaded Filters\u003c\/h4\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Banner.webp?v=1765309917\"\u003e\u003c\/p\u003e\n\u003ch3\u003eThe Next-Generation ZWO EFW\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRefined Design · Anti-Light-Leak Protection · Built for Astrophotography\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e* A re-engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation.\u003c\/p\u003e\n\u003cp\u003e*The exterior has been subtly streamlined, giving the wheel a cleaner and more cohesive look.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e*Nothing dramatic. Just better in the ways that matter — so your imaging workflow stays steady, reliable, and quietly improved.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Highlights.jpg?v=1765310246\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eEFW 7x2 Filter Compatibility\u003c\/h4\u003e\n\u003cp\u003eThe ZWO 7x2 Electronic Filter Wheel supports 2\" mounted filters with a thickness of ≤7mm, or 50mm unmounted filters with a thickness of between 1.5 mm \u0026amp; 3.5 mm. There are 7 slots available. The weight of the 7x2 EFW is 720 g and has a effective thickness of 20 mm.\u003c\/p\u003e\n\u003ch4\u003eZWO Filter Compatibility\u003c\/h4\u003e\n\u003cp\u003eEngineered for full compatibility with all ZWO filters for dependable image quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Connectivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDraws only 120 mA at 5V and runs entirely from a single USB  connection—no external power supply needed.  The ZWO EFW filter wheel connects to your imaging system via the built-in USB-C port using the included USB 2.0 Type-A to Type-C cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWorks seamlessly with ASIAIR, ASIStudio, ASCOM, and the ZWO SDK for flexible control across platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDriver-Free Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTrue plug-and-play design with no driver installation required.\u003c\/p\u003e\n\u003ch4\u003eAnti-Light-Leak Design\u003c\/h4\u003e\n\u003cp\u003eIn deep-sky imaging, even small amounts of stray light can compromise your final image. The Next Generation ZWO EFW introduces a series of structural refinements to eliminate light leakage from all directions.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e★ \u003cem\u003eUpgraded Sealing Structure \u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eA re-engineered slot-fit chassis provides a tighter mechanical interface between the top and bottom covers, minimizing potential ingress points for stray light.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e★ \u003cem\u003eDual Light-Blocking Protection\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNewly added light-blocking pads on both lateral connection points creates additional optical barrier,  helping maintain clean, uniform frames during long integrations.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e★ \u003cem\u003eFully Enclosed Motor Compartment\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe motor assembly is now fully sealed, improving both light isolation and environmental resistance for more stable operation over time.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Anti_Light_Leak_Design.webp?v=1765311005\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW-Upgraded_Sealing_Structure.webp?v=1765311044\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4 style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Refined_Exterior.webp?v=1765311005\" alt=\"\"\u003eInterface Upgrade\u003c\/h4\u003e\n\u003cp\u003eThe new ZWO EFW replaces the legacy USB Type-B connector with a modern USB-C interface, providing a more robust, reliable connection and simplifying plug-and-play integration with your imaging system.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Setup_Showing_TypeC_USB.webp?v=1765311222\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eLightweight \u0026amp; Rigid\u003c\/h3\u003e\n\u003cp\u003eThe new ZWO EFW uses a CNC-machined aluminum alloy body for a lighter, more rigid structure. The internal filter carousel is made from 6061 aluminum alloy, reducing weight while maintaining excellent strength and stability. The result is a compact, durable design engineered for smooth, reliable operation.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/EFW_Interior_Shot.webp?v=1765311291\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStable \u0026amp; Durable\u003c\/h3\u003e\n\u003cp\u003eThe new ZWO EFW is equipped with a high-precision stepper motor, ensuring consistent rotation and stable operation across extended imaging sessions.\u003c\/p\u003e\n\u003ch3\u003eAutomated Filter Switching\u003c\/h3\u003e\n\u003cp\u003eThe new ZWO EFW features a motorized, bidirectional filter-wheel drive with precise position indexing. When paired with control software such as ASIAIR (sold separately), it enables automatic filter changes during a scheduled imaging session — enabling fully unattended, hands-free astrophotography.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":43305350135921,"sku":"USED060302","price":349.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/20260603_132632.jpg?v=1780507861","url":"https:\/\/khanscope.com\/products\/zwo-7x2-efw-electronic-filter-wheel-next-gen-7-position-for-2-or-50-4-mm-filters-pre-owned","provider":"Khan Scope Centre","version":"1.0","type":"link"}