10X50 Binoculars Military Nitrogen Waterproof Telescope with Navigation Compass

Prism Type: Porro Prism Binoculars. Features: Compass, Floating, Rangefinder, Waterproof. 100% Waterproof and fogproof, Fully multi-coated optics, BAK-4 prisms. Diopter adjusting range: -5-+5 DIOPTER.