Celestron Skymaster 25x100 Binoculars25x magnification porro prism binocular Giant 100 mm objective lens offers maximum image brightness in low light and long range conditions Ultra sharp focus across the field of view Individual Eyepiece Focus to ensure optimal focus position Multi Coated optics for sharp, clear views Suitable for long range terrestrial or astronomical viewing Protective rubber covering for ultra firm grip Integrated tripod adapter rod for ultra stable tripod mounting