{"product_id":"zwo-ff70-apo","title":"ZWO FF70-APO","description":"\u003cp class=\"p1\"\u003eZWO FF70 APO\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003eFlat-Field Apochromatic Refractor\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Principal_KV.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eLightweight \u0026amp; Compact · Designed for Both Visual Observation and Astrophotography\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eMain Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Highlights.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/70icon.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eFlexible Connectivity for Multiple Configurations\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Scene.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eUniqueness\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e1. Lightweight \u0026amp; Compact\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe ZWO FF70 APO features a 70 mm aperture and 490 mm focal length (f\/7.0), offering an excellent balance between portability and performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe optical tube weighs just 2.5 kg, with a total system weight of 3 kg including mounting rings and dovetail plate.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Lightweight_Compact_9cee7148-5398-4196-b5d3-451b31b415ec.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e2. Four-Element Optical Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe FF70 APO features a four-element, fully air-spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field flattener.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOne ED (extra-low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting in improved color correction and image clarity.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Four-Element_Optical_Design.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e3. 44 mm Image Circle — Full-Frame Support\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eWith a 44 mm image circle, the FF70 APO fully supports full-frame sensors and a wide range of imaging setups.\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eIt delivers sharp star fields with excellent edge-to-edge performance, ensuring consistent image quality across the entire frame.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Full-Frame_Support.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p5\"\u003e4. Native Flat-Field Design\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eThe FF70 APO features a native flat-field optical design, eliminating the need for an additional field flattener.\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eNo complex back focus calculations or spacing adjustments are required—simply attach your imaging setup and start capturing once focus is achieved.\u003c\/p\u003e\n\u003cp class=\"p6\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eConvenient Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p7\"\u003e5. Coarse \u0026amp; fine focus adjustment\u003c\/p\u003e\n\u003cp class=\"p7\"\u003eEquipped with a rigid 2.4-inch rack-and-pinion focuser, the FF70 APO offers precise control with a 1:10 coarse \u0026amp; fine focus adjustment mechanism.\u003c\/p\u003e\n\u003cp class=\"p7\"\u003eA built-in 360° rotator at the rear allows for smooth and accurate camera angle adjustments.\u003c\/p\u003e\n\u003cp class=\"p8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Focus_adjustment.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/No_need_for_a_leveling_mirror.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p7\"\u003e6. Retractable Dew Shield\u003c\/p\u003e\n\u003cp class=\"p7\"\u003eThe FF70 APO features a retractable dew shield, reducing overall length for improved portability.\u003c\/p\u003e\n\u003cp class=\"p7\"\u003ePrecision CNC machining and a high-quality painted finish, combined with an internal anti-reflection coating, help minimize stray light and enhance image contrast.\u003c\/p\u003e\n\u003cp class=\"p8\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e7. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe mounting rings are detachable, allowing for quick and easy setup or teardown of the telescope.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Clamp.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p5\"\u003e8. Photography Extension Tube\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eThe FF70 APO includes a photography extension tube with a 2-inch filter thread, along with rear adapters in M48×0.75 and M54×0.75 standards.\u003c\/p\u003e\n\u003cp class=\"p5\"\u003eThis allows for easy integration with a wide range of imaging accessories.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Extension_tube.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003ePerformance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOptical Layout\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Light_path.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eStar Field Map\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Bitmap_image.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eProduct Diagram\u003c\/p\u003e\n\u003cp class=\"p9\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Product_size.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Product_parameters.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p7\"\u003eWhat's in the box?\u003c\/p\u003e\n\u003cp class=\"p8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Packing_List.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFF Series Telescope Comparison\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/Comparison_Table.jpg?v=1780682380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cmeta charset=\"utf-8\"\u003e*Focus can be achieved within a back focus range of 32.5–82.5 mm, measured from the M54–M48 interface shoulder.\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":48489063284985,"sku":"ZWO FF70-APO","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/6486\/files\/4_4b261f2c-f064-46d4-8288-9285e595fe84.jpg?v=1780683887","url":"https:\/\/cloudbreakoptics.com\/products\/zwo-ff70-apo","provider":"Cloud Break Optics","version":"1.0","type":"link"}