Celestron Outland X 10x42 BinocularsCelestron Outland X 10x42 binoculars are roof prism binoculars for the nature enthusiast on a budget. Made with BaK 4 glass prisms and multi coated optics, Celestron Outland X binoculars deliver excellent image quality. With a 293 foot field of view at 1000 yards, the 10x42 Outland X binocular won't miss anything in the field. The black rubber armoring makes them durable and proof against shocks, and they are sealed to be waterproof and internally fog