Military binoculars floating boat marine waterproo

Boat/Marine Waterproof Binoculars Boat/Marine Binoculars 7x50 Bak4 prism with FMC optics With Internal Rangefinder Boat/Marine Binoculars Waterproof Binoculars Boat/Marine Binoculars 7x50 Floating, with internal rangefinder Prism Type - Porro/Bak4 prism with FMC optics With Internal Rangefinder Exit Pupil Dia - 6.8mm Eye Relief - 22.5mm Field of View Angular- 7.5" Field of View at 1000M - 132M Field of View at 1000 yards - 396 ft Min Focus Distance - 10M Relative Brightness - 46.2 Twilight Factor - 18.3 Resolution - < 5" No. of Elements & Group - 5pcs in 3 groups Focus System - Individual Positive Ocular Diopter Adjustment - +5 dpt Negative Ocular Diopter Ajustment - -5 dpt Closed Interpupillary Distance - 56mm Open Interpupillar Distance - 72mm Eye Cups Type - Foldable Rubber Eyecups Body Housing material - Strengthened PVC Waterprood - 20 Min. in 0.5m Dept Nitrogen Filled - Yes Size: 200 x80x15mm Net Weight - 890g Color: military green, blue, yellow, black. 10pcs/carton Carton size: 58x50x26cm GW:16KGs