Celestron's SkyMaster series of large aperture binoculars are phenomenal value for high performance binoculars, and ideal for astronomical or terrestrial use, especially over long distances. Each SkyMaster model features high quality BAK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical viewing sessions, large objective lenses, high magnification, in a reasonably lightweight configuration.
