10x50 Marine Military Binoculars for Adults Hunting Boating Waterproof

10x50 Binoculars:Binoculars floating with 10x magnification and 50mm large objective lens.22 mm eye relief, 6.8mm exit pupil, and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.With ±5 diopter left and right diopter ring, You can adjust the distance for better viewing without glasses and for fine focusing. The eyecups can be folded easily so you can operate it with glasses. BAK4 Binoculars: High refractive index BAK4 Porro Prism eliminates the stray light and improves color reproduction to 99.99%. Green FMC anti-reflective coating reduces the reflected light in the objective lens and improves light transmission, image brightness and image sharpness. Waterproof Fogproof Binoculars: This binocular come with Nitrogen-filled waterproof, fogproof and Anti-shake design. O-ring sealed for complete waterproof protection and float on water so no worries if dropped into the water; Dry nitrogen-purged and sealed to prevent fogging and moisture damage in all weather condition