{"product_id":"celestron-reducer-lens-7x-edgehd-1100","title":"Celestron 0.7x Reducer Lens for EdgeHD 1100","description":"\u003ch2\u003eCelestron EdgeHD 0.7x Focal Reducer for 11\" EdgeHD Optical Tubes\u003c\/h2\u003e\n\u003cp\u003eUnlock the full imaging potential of your EdgeHD 11” telescope with the purpose-built Celestron 0.7x Focal Reducer. Designed exclusively for EdgeHD optics, this premium 5-element reducer shortens focal length and exposure time without compromising the signature flat-field performance of the EdgeHD system—making it an essential upgrade for astrophotographers seeking faster, wider-field results.\u003c\/p\u003e\n\u003cp\u003eUnlike generic reducers, this model maintains generous back focus, supports large-format imaging sensors, and integrates seamlessly with existing Celestron imaging accessories.\u003c\/p\u003e\n\u003ch3\u003eKey Optical Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5-Element Optical Design\u003c\/strong\u003e\u003cbr\u003eEngineered specifically for the 11” EdgeHD optical tube, this layout preserves a wide, flat image field across the full frame while delivering consistent edge-to-edge sharpness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLanthanum Glass Elements\u003c\/strong\u003e\u003cbr\u003eIncludes exotic, high-index Lanthanum optics to minimise chromatic aberration and boost contrast for superior image clarity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFully Multi-Coated Surfaces\u003c\/strong\u003e\u003cbr\u003eAll air-to-glass interfaces feature advanced multi-coatings for maximum light transmission and colour fidelity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlacked Lens Edges\u003c\/strong\u003e\u003cbr\u003eReduces internal reflections and improves image contrast, particularly when imaging faint deep-sky targets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFaster Imaging\u003c\/strong\u003e\u003cbr\u003eReduces your focal ratio from f\/10 to f\/7, increasing imaging speed by one full f-stop—cutting exposure times in half for the same signal strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWider Field of View\u003c\/strong\u003e\u003cbr\u003eExpands your field of view by approximately 43%, making it easier to frame large objects like nebulae and galaxies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFull Frame Sensor Compatibility\u003c\/strong\u003e\u003cbr\u003eA 60mm clear aperture supports a 42mm image circle—ideal for full-frame CCD and CMOS sensors without vignetting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBack Focus Preserved\u003c\/strong\u003e\u003cbr\u003eUnlike many third-party reducers, this model retains the standard EdgeHD back focus, allowing for easy integration with your existing T-adapters, Off-Axis Guiders, and camera setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCNC-Machined Aluminium Housing\u003c\/strong\u003e\u003cbr\u003ePrecision engineered for tight optical alignment and mechanical stability, ensuring consistent performance across imaging sessions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThreaded 3.25” Connection\u003c\/strong\u003e\u003cbr\u003eDirectly threads onto the EdgeHD rear cell, minimising mechanical vignetting and improving rigidity for heavier imaging trains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtective Metal Caps\u003c\/strong\u003e\u003cbr\u003eIncludes threaded covers on both ends to protect the optics from dust, scratches, and damage during transport or storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpand Your Imaging Capabilities\u003c\/h3\u003e\n\u003cp\u003ePair this reducer with Celestron’s \u003cstrong\u003eFastar-compatible EdgeHD\u003c\/strong\u003e system to create the most versatile astroimaging platform in its class. Combine f\/10, f\/7 (with this reducer), and optional f\/2 Fastar imaging for unmatched flexibility across planetary, deep-sky, and wide-field astrophotography.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhether you're upgrading your rig for deep-sky imaging or building a dedicated system for full-frame astrophotography, the Celestron 0.7x Reducer for 11\" EdgeHD offers uncompromising optical quality, versatility, and performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897344246134,"sku":"050234942416","price":899.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Celestron-Reducer-Lens-.7x-EdgeHD-1100-Product-Photo-3.webp?v=1757514090","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-reducer-lens-7x-edgehd-1100","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}