The Celestron Reducer Lens .7x - EdgeHD 1100 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
The Celestron Reducer Lens .7x - EdgeHD 1100 maintains similar flat-field performance as native Edge HD optical design
Increases Field of View by 43% to Better Capture Wide Field Images
The Celestron Reducer Lens .7x - EdgeHD 1100 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 The Celestron Reducer Lens .7x - EdgeHD 1100 Provides Generous Back Focus to Accommodate Additional Accessories and Wide Variety of Cameras