Traditional Porro Prism Optical Path Fully Multi-Coated Optics Individual Sports-Auto Focus System Shock-Resistant Floating Prism System O-Ring Sealed - Waterproof The civilian version of the proven military binoculars, adapted for rugged all-around use. as sharp, clear and battle-worthy as the warrior models they're based on. Light and easy to handle, with for bright images and a wide field of view for steady viewing, even on the move.