Bushnell H20 Series Waterproof, Marine Binoculars O-ring sealed and nitrogen purged to completely lock out moisture. Rubber armoring with textured pads makes binoculars easy to grip in slippery situations. Bak-4 prisms for bright, clear, crisp viewing. Multi-coated optics for superior light transmission. 100% waterproof. Non-slip rubber armor absorbs shock while providing a firm grip. fold-down or twist-up eyecups. large center-focus knob for easy adjustments. Longer eye relief.

Compact 8 x 42 Inverted porro-prism design for high quality and reduced size. Magnification x OBJ lens: 8 x 42 Porro prism system. Field of view: 367 ft. @ 1000 yds. Close focus: 8.5 ft. Weight: 13.6 oz.