STYRKA S3 Binoculars 10X Magnification 42mm A camo model to keep you concealed when game is close; the 10x42 offers higher magnification Magnification: 10x Objective Lens Diameter: 42mm Lens Coatings: Fully Multi-Coated – STYRKA SXL Coating Angular Field of View: 6.5° Linear Field of View: 341ft/114m@1000yds/m Close Focus: 6.5ft / 2.0m Eye Relief: 15.2mm Exit Pupil: 4.2mm Prism Type: BaK-4 Prism Coatings: Phase and Dielectric Waterproof: Waterproof (IPX7) and Nitrogen Purged Relative Brightness: 17.6 Twilight Factor: 20.5 Interpupillary Distance: 56-75mm Diopter ADJ Range: ±4 Weight: 23.1 oz Size (LxWxH): 5.68x5.04x2.15