Celestron’s new EdgeHD reducers feature a custom 5 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.
The EdgeHD .7x Focal Reducer Lens Makes Your EdgeHD 1100 One Full F-Stop Faster Than f/10, Reducing Your Exposure Time by One-Half to Capture the Same Brightness of Object
5-element lens design
Maintains similar flat-field performance as native Edge HD optical design
Increases Field of View by 43% to Better Capture Wide Field Images
Threads Directly onto the 3.25" threads of the EdgeHD which Reduces Mechanical Vignetting and Allows for use with Larger (Full Frame) Sensors and Off-Axis Guiders
Maintains the Identical Back Focus When Used at F/10 and Provides Generous Back Focus to Accommodate Additional Accessories and Wide Variety of Cameras
Allows Use of Existing EdgeHD T-adapters With or Without the Reducer Lens