{"product_id":"zwo-ff110-apo-refractor","title":"ZWO FF110 APO  Flat-Field Apochromatic Refractor (FF110-APO)","description":"\u003ch1\u003eZWO FF110 APO Flat-Field Apochromatic Refractor\u003c\/h1\u003e\n\u003cp\u003e\u003cimg alt=\"ZWO FF110 APO Refractor\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Principal_KV_c9cf375d-ba5d-44b7-a0bc-f9be3709ba71.jpg?v=1780755987\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe ZWO FF110 APO Refractor is a lightweight, compact instrument engineered for immersive visual observing and high-performance astrophotography.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/icon.jpg?v=1780756014\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e*Focus can be achieved within a back focus range of 42–73 mm, measured from the M54–M48 interface shoulder.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e \u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eMain Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"ZWO FF110 APO Refractor Highlights\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Highlights_ecff6698-7553-480c-863e-4c380cbd4d39.jpg?v=1780756058\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\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 align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Scene_ce670065-6b6d-41a2-bb2f-1f6cbf46500b.jpg?v=1780756086\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\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 class=\"western\" lang=\"en-US\"\u003e1. Four-Element Optical Design\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe optical design features four elements. These are fully air-spaced and apochromatic for superior results.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eAll four elements work together to deliver a flat imaging field without the need for an additional field flattener.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eOne ED (extra-low dispersion) glass element is incorporated to effectively reduce chromatic aberration and improve clarity.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Four-Element_Optical_Design_da7634ea-ef3a-45ed-a538-c348614a91d6.jpg?v=1780756124\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e2. 44 mm Image Circle — Full-Frame Support\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eWith a 44 mm image circle, this refractor telescope fully supports full-frame sensors and a wide range of imaging setups.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eIt delivers sharp star fields with excellent edge-to-edge performance, ensuring consistent quality across the frame.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Photography_Extension_Tube_48eb20b1-7790-4061-8e57-f1f62c8d7642.jpg?v=1780756160\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e3. Native Flat-Field Design\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe FF110 APO features a native flat-field optical design, eliminating the need for an additional field flattener.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eNo complex back focus calculations are required—simply attach your camera and start capturing once focus is achieved.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThis system pairs perfectly with the asiair pro for streamlined control of your astrophotography sessions.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_08d61cff-3e02-4bc4-8c2b-faa8f0fd445b.jpg?v=1780756184\"\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\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 class=\"western\" lang=\"en-US\"\u003e\u003cb\u003e4. Coarse \u0026amp; fine focus adjustment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eEquipped with a rigid 3-inch rack-and-pinion focuser, this telescope offers precise 1:10 dual-speed control.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eA built-in 360° rotator at the rear allows for smooth and accurate camera angle adjustments for perfect framing.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_adjustment_89215004-9eaa-4de0-a606-0b098498dd1a.jpg?v=1780756200\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e5. Retractable Dew Shield\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe telescope features a retractable dew shield, reducing overall length for improved portability during transport.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003ePrecision CNC machining and a high-quality finish, combined with internal anti-reflection coating, minimize stray light.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e \u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e6. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe mounting rings are detachable, allowing for quick and easy setup or teardown of the telescope in the field.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Clamp_fb001513-c21e-49b9-8081-55bcb92c10f1.jpg?v=1780756233\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e7. Photography Extension Tube\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe FF110 APO includes a photography extension tube with a 2-inch filter thread and standard rear adapters.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eSupported standards include M48×0.75 and M54×0.75, allowing for easy integration with many imaging accessories.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Extension_Tube_e6026a2e-8fa8-41dd-a5f3-817c25e581f1.jpg?v=1780756257\"\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\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 class=\"western\" lang=\"en-US\"\u003eOptical Layout\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Light_path_81960ecb-ce7e-463a-ba40-374bd908ada1.jpg?v=1780756278\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eStar Field Map\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Bitmap_image_0c623168-53e2-491a-84ac-47295aecbe6d.jpg?v=1780756310\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e \u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\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 align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_size_ff9083b0-f835-46ed-9db6-fa8a0eebc706.jpg?v=1780756350\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_size-1.jpg?v=1780756368\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_parameters_52620ad0-f23f-425e-9d80-c73577f2b2f2.jpg?v=1780756400\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003eIn the Box\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Packing_List_caa11e67-1de2-47d6-bdd4-0dd9bb4ee629.jpg?v=1780756429\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003eWarranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/astronomyplus.com\/pages\/zwo-warranty\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #000000;\"\u003eZWO 2-Years Warranty\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49492376715493,"sku":"ZWO-FF110-APO","price":2109.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/1_aa3647f4-40e7-4d6b-a2ea-8b8cc68b007e.jpg?v=1780774881","url":"https:\/\/astronomyplus.com\/products\/zwo-ff110-apo-refractor","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}