BUSHNELL 10X42 BLK PORRO BAK-4 WP / FP TWIST UP EYECUPS

The all-purpose, full-size Bak-4 porro prism for high magnification at a distance. Non-slip rubber armor - Protects binoculars from impact and provides sure grip in damp marine environments. Multi Coated Optics - Multiple layers of coatings on all lens surfaces increase light transmission and image brightness. Waterproof Construction - O-ring sealed optics stay dry inside, even when totally immersed in water.