{"product_id":"william-optics-flat-68iii-field-flattener","title":"William Optics FLAT 68III Field Flattener","description":"\u003cp\u003eThe \u003cstrong\u003eWilliam Optics FLAT 68III\u003c\/strong\u003e is a premium 1.0x field flattener for compatible William Optics refractors and full-frame astrophotography systems. It is designed to correct field curvature and improve star shape across large camera sensors without reducing focal length.\u003c\/p\u003e\u003ch2\u003eWho Is This Product Best For?\u003c\/h2\u003e\u003cp\u003eBest for astrophotographers using compatible William Optics refractors who want full-frame field correction while keeping the telescope’s native focal length.\u003c\/p\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.0x correction:\u003c\/strong\u003e Maintains native focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-frame imaging support:\u003c\/strong\u003e Designed for larger camera sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField flattening:\u003c\/strong\u003e Helps improve edge-to-edge star quality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRecommended Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFull-frame deep-sky astrophotography\u003c\/li\u003e\n\u003cli\u003eCompatible William Optics refractor imaging\u003c\/li\u003e\n\u003cli\u003eImproving corner star shape\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility and Accessory Notes\u003c\/h2\u003e\u003cp\u003eConfirm your telescope model, adapter requirements, camera thread, and backfocus spacing before imaging.\u003c\/p\u003e\u003ch2\u003eImportant Limitations\u003c\/h2\u003e\u003cp\u003eThis is an imaging accessory and correct spacing is required for best results.\u003c\/p\u003e\u003ch2\u003eOur Recommendation\u003c\/h2\u003e\u003cp\u003eChoose the FLAT 68III when you need premium full-frame field correction without focal reduction.\u003c\/p\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":53154242658415,"sku":"P-FLAT68III-NEW","price":918.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/william-optics-flat-68iii.jpg?v=1779654796","url":"https:\/\/ontariotelescope.com\/products\/william-optics-flat-68iii-field-flattener","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}