The Celestron CGX 925 Schmidt-Cassegrain Telescope is suitable for astronomers looking for a high-resolution, portable instrument. Its 235 mm aperture, f 10 focal ratio, & Star Bright XLT coatings provide over 1000 times more light gathering power than the human eye does. The telescope has a finderscope for object identification & a mount for support for astro-imaging & visual observations.