Outfitted with a large aperture long effective focal length and their proprietary StarBright XLT optical coatings the Celestron C9 1/4-A XLT 9.25 f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of...
Outfitted with a large aperture long effective focal length and their proprietary StarBright XLT optical coatings the Celestron C9 1/4-A XLT 9.25 f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of...