10X42 Waterproof Binoculars

Product description: 1. Waterproof and Nitrogen-filled to handle extreme weather condition 2. BAK-4 Prism allows you the maximum light transmission; 3. ED optical glass elements give you the truer color and sharper images; 3. Fully broadband Multi-coated Lenses increase light transmission and color quality; 4. Phase-corrected Coating on roof prism provide more contrast and sharpness 5. Inner focus design for better balance and durability; 6. Full rubber housing improve grip and shock resistance. Specification for product: Item No.: KW149 Model: 10X42 Magnification:10X Objective lens diameter:42mm Angle of View: 6.5 degree Resolution: ≤5.3 Exit pupil Diameter: 4.2mm Exit pupil Distance: 15.8mm Relative brightness: 17.6 Twilight factor: 20.5 Prism System: Roof Prism Focus System: Central focus Net weight: 550g Size: 142x126x52mm