The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 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 Edge HD optical design
Increases Field of View by 43% to Better Capture Wide Field Images
Description
The Celestron .7x Focal Reducer for 8 Edge HD Telescopes works great with all cameras. Reduces focal length to 1422mm. Has 105mm of Back Focus and offers APS-C format support. This focal reducer virtually eliminates tracking problems such as flexure and mirror flop. Increases your focal ratio the Edge HD from f/10 to f/7.