Celestron Reducer Lens .7X EdgeHD TM 1400
The EdgeHD .7x Reducer Makes Your EdgeHD 1400 One Full F-Stop Faster Than f/11,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