{"product_id":"zwo-ff-70-apo-flat-field-apochromatic-refractor-telescope-zwo-ff70-apo","title":"ZWO FF 70 APO Flat Field Apochromatic Refractor Telescope | ZWO FF70 APO","description":"\u003ch2\u003eZWO FF70 APO Flat-Field Apochromatic Refractor \u003c\/h2\u003e\n\u003ch2\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Principal_KV.jpg?v=1781033184\"\u003e\u003c\/h2\u003e\n\u003cp\u003eLightweight \u0026amp; Compact · Designed for Both Visual Observation and Astrophotography\u003cbr\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/70icon.jpg?v=1781033183\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\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\n\u003cp\u003eMain Features\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Highlights.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003eFlexible Connectivity for Multiple Configurations\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Scene.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003ch3\u003eUniqueness\u003c\/h3\u003e\n\u003cp\u003e1. Lightweight \u0026amp; Compact\u003c\/p\u003e\n\u003cp\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\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\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Lightweight_Compact_937f8bf3-b265-4219-acb0-e5d16a9a5380.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003e2. Four-Element Optical Design\u003c\/p\u003e\n\u003cp\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\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\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Four-Element_Optical_Design.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003e3. 44 mm Image Circle — Full-Frame Support\u003c\/p\u003e\n\u003cp\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\u003eIt delivers sharp star fields with excellent edge-to-edge performance, ensuring consistent image quality across the entire frame.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Full-Frame_Support.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003e4. Native Flat-Field Design\u003c\/p\u003e\n\u003cp\u003eThe FF70 APO features a native flat-field optical design, eliminating the need for an additional field flattener.\u003c\/p\u003e\n\u003cp\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\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/No_need_for_a_leveling_mirror.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003ch3\u003eConvenient Design\u003c\/h3\u003e\n\u003cp\u003e5. Coarse \u0026amp; fine focus adjustment\u003c\/p\u003e\n\u003cp\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\u003eA built-in 360° rotator at the rear allows for smooth and accurate camera angle adjustments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Focus_adjustment.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003e6. Retractable Dew Shield \u003c\/p\u003e\n\u003cp\u003eThe FF70 APO features a retractable dew shield, reducing overall length for improved portability.\u003c\/p\u003e\n\u003cp\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\u003e7. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp\u003eThe mounting rings are detachable, allowing for quick and easy setup or teardown of the telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Clamp.jpg?v=1781033183\"\u003e\u003c\/p\u003e\n\u003cp\u003e8. Photography Extension Tube \u003c\/p\u003e\n\u003cp\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\u003eThis allows for easy integration with a wide range of imaging accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Extension_tube.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cp\u003eOptical Layout\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Light_path.jpg?v=1781033183\"\u003e\u003c\/p\u003e\n\u003cp\u003eStar Field Map\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Bitmap_image.jpg?v=1781033183\"\u003e\u003c\/p\u003e\n\u003cp\u003eProduct Diagram\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Product_size.jpg?v=1781033183\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Product_parameters.jpg?v=1781033184\"\u003e\u003c\/p\u003e\n\u003cp\u003eWhat's in the box?\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Packing_List.jpg?v=1781033183\"\u003e\u003c\/p\u003e\n\u003cp\u003eFF Series Telescope Comparison\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/Comparison_Table.jpg?v=1781033184\"\u003e\u003cbr\u003e \u003cbr\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49176430903548,"sku":"ZWO FF70 APO","price":849.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/7702\/9116\/files\/1_8de4f84c-320e-4a25-a438-482f83bc8d1a.jpg?v=1781033491","url":"https:\/\/all-startelescope.com\/fr\/products\/zwo-ff-70-apo-flat-field-apochromatic-refractor-telescope-zwo-ff70-apo","provider":"All-Star Telescope Canada","version":"1.0","type":"link"}