Reducer Lens .7X - EdgeHD 925

The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 925 one full f-stop faster than f/10, doubling the equivalent exposure at f/10 4-element lens design Maintains similar flat-field performance as native EdgeHD optical design Increases field of view by 43% (double by area) to better capture wide field images Optimized for APS-C sized sensors, including most DSLR cameras and Nightscape CCD cameras. Note optimal for full frame cameras. Provides generous 105 mm back focus to accomodate additional accessories and a wide variety of cameras Compatible with EdgeHD 925 T-Adapter Celestron’s new EdgeHD reducers features a custom 4 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers provide substantial back focus to accommodate an assortment of imaging accessories. EdgeHD reducers offer high index optical elements, including extra low dispersion, exotic Lanthanum elements, which pr