{"product_id":"sky-watcher-0-9x-reducer-field-flattener-for-evolux-62ed-telescope-20111","title":"Sky-Watcher 0.9× Reducer \/ Field Flattener for Evolux-62ED","description":"\u003ch2\u003eSky-Watcher 0.9× Reducer \/ Field Flattener for Evolux-62ED — 20111\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher 0.9× Reducer \/ Field Flattener is a dedicated optical accessory designed specifically for the \u003cstrong\u003eEvolux-62ED refractor\u003c\/strong\u003e. Combining a 2-element design with one ED element, it both \u003cstrong\u003ereduces focal length\u003c\/strong\u003e and \u003cstrong\u003ecorrects field curvature\u003c\/strong\u003e, delivering sharper stars right to the edge of the frame — ideal for wide-field astrophotography.\u003c\/p\u003e\n\u003cp\u003eWhen fitted, it reduces the Evolux-62ED’s focal length by a factor of \u003cstrong\u003e0.9×\u003c\/strong\u003e, producing a fast, wide field system optimised for imaging.\u003c\/p\u003e\n\u003ch3\u003eFaster system, wider field\u003c\/h3\u003e\n\u003cp\u003eWith the reducer installed, the Evolux-62ED becomes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length:\u003c\/strong\u003e 360mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal ratio:\u003c\/strong\u003e f\/5.8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField of view:\u003c\/strong\u003e approx. 5.09°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis faster setup allows shorter exposure times and wider framing, making it perfect for large nebulae, star fields and night-scape compositions.\u003c\/p\u003e\n\u003ch3\u003eFlat, well-corrected image across the sensor\u003c\/h3\u003e\n\u003cp\u003eThe integrated field flattener ensures pinpoint stars across a \u003cstrong\u003e30mm image circle\u003c\/strong\u003e, illuminating a full-frame format and minimising distortion toward the edges — a key benefit for DSLR and dedicated astro cameras.\u003c\/p\u003e\n\u003ch3\u003eHigh-quality construction and coatings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFully multi-coated optics\u003c\/strong\u003e for maximum light transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-machined housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth-threaded connections for secure alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFlexible connection options\u003c\/h3\u003e\n\u003cp\u003eSupplied with an \u003cstrong\u003eadapter \/ field rotator\u003c\/strong\u003e, the reducer offers practical mounting versatility:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eM56×1 female\u003c\/strong\u003e and \u003cstrong\u003eM48 male\u003c\/strong\u003e threads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal thread for \u003cstrong\u003e2\" filters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard \u003cstrong\u003e55mm back focus\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Sky-Watcher \u003cstrong\u003eM48 Canon and Nikon T-rings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it easy to integrate into most imaging trains while maintaining the correct spacing.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher 0.9× Reducer \/ Field Flattener for Evolux-62ED (20111) is a superb upgrade for anyone looking to optimise their Evolux imaging performance — delivering faster optics, flatter fields and beautifully sharp, wide-field results.\u003c\/p\u003e","brand":"SkyWatcher","offers":[{"title":"Default Title","offer_id":57010353766774,"sku":"6970456093366","price":269.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Sky-Watcher-0-9x-Reducer-Field-Flattener-for-Evolux-62ED-1.webp?v=1768830867","url":"https:\/\/welshastronomy.co.uk\/products\/sky-watcher-0-9x-reducer-field-flattener-for-evolux-62ed-telescope-20111","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}