2 inch Diagonal Mirror with 99 percent reflection; optics are made with Pyrex glass
Multi layered dielectric coatings that produce 99 percent reflectivity for brighter and harper images
Comes with dielectric coatings for the most light transmission possible
This clever accessory makes it possible to have a dual focal ratio instrument; without sacrificing image quality
This combination focal reducer and field corrector lens accessory works with all Celestron 5 inch; 6 inch; 8 inch; 9.25 inch; 11 inch and 14 inch Schmidt-Cassegrain telescopes