{"product_id":"zwo-ff70-apo-refractor","title":"ZWO FF70 APO Flat-Field Apochromatic Refractor (FF70-APO)","description":"\u003ch1\u003eZWO FF70 APO Flat-Field Apochromatic Refractor\u003c\/h1\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Principal_KV.jpg?v=1780691278\" alt=\"ZWO FF70 APO Refractor image\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe ZWO FF70 APO Refractor is a lightweight and compact refractor telescope designed for visual observation and astrophotography.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/70icon.jpg?v=1780691312\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\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 lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eMain Features of the telescope\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Highlights.jpg?v=1780691369\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eFlexible Connectivity for Multiple Configurations\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Scene.jpg?v=1780691398\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eUniqueness\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cb\u003e1. Lightweight \u0026amp; Compact\u003c\/b\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThis model features a 70 mm aperture and 490 mm focal length (f\/7.0). It offers an excellent balance between portability and performance.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe optical tube weighs just 2.5 kg. Total system weight is 3 kg including the mounting rings and dovetail plate.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Lightweight_Compact_c988c8ca-b752-4e37-a157-b0a0b99518bf.jpg?v=1780691435\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cb\u003e2. Four-Element Optical Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe unit features a four-element, air-spaced design. All elements work together to deliver a flat imaging field without a field flattener.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eOne ED (extra-low dispersion) element reduces chromatic aberration. This results in superior color correction and impressive image clarity.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Four-Element_Optical_Design.jpg?v=1780691472\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cb\u003e3. 44 mm Image Circle — Full-Frame Support\u003c\/b\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eWith a 44 mm image circle, the unit fully supports full-frame sensors and advanced imaging setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eIt delivers sharp star fields across the frame. This ensures professional edge-to-edge performance to meet astrophotography demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Full-Frame_Support.jpg?v=1780691541\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e4. Native Flat-Field Design\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe native flat-field optical design removes the need for leveling mirrors. This streamlines the setup for any astrophotography enthusiast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eNo complex back focus calculations are required. Simply attach your camera and start capturing once focus is achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/No_need_for_a_leveling_mirror.jpg?v=1780691618\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eConvenient Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e5. Coarse \u0026amp; fine focus adjustment\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eEquipped with a 2.4-inch rack-and-pinion focuser, it offers precise control using a 1:10 coarse and fine focus mechanism.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eA built-in 360° rotator at the rear allows for smooth camera angle adjustments. It pairs perfectly with an asiair pro for remote control.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_adjustment.jpg?v=1780691663\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e6. Retractable Dew Shield \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe optical tube features a retractable dew shield. This reduces storage length and protects the optics from moisture.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #1f2329;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eCNC machining and internal anti-reflection coatings minimize stray light. This ensures high contrast during deep-sky sessions.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e \u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e7. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe mounting rings are fully detachable. This allows for a quick and easy setup or teardown of your telescope system.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Clamp.jpg?v=1780691692\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e8. Photography Extension Tube \u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eA photography extension tube is included. It features a 2-inch filter thread and rear adapters in M48×0.75 and M54×0.75 standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThis versatility allows for seamless integration with a wide variety of professional imaging accessories and cameras.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Extension_tube.jpg?v=1780691742\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003ePerformance\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eOptical Layout\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Light_path.jpg?v=1780692256\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eStar Field Map\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Bitmap_image.jpg?v=1780692380\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eProduct Diagram\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_size.jpg?v=1780692573\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_parameters.jpg?v=1780692660\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eIn the Box\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Packing_List_03e7c496-c150-4f44-a8cf-efbb28a2d89b.jpg?v=1780692727\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/astronomyplus.com\/pages\/zwo-warranty\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eZWO 2-Year Warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49480248623333,"sku":"ZWO-FF70-APO","price":849.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/1_28b6743f-1539-4266-a040-7c37bcc8c85a.jpg?v=1780757559","url":"https:\/\/astronomyplus.com\/products\/zwo-ff70-apo-refractor","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}