Styrka S7 Series 10X42 Ed Glass Roof Prism Binoculars Higher magnification for the hunter who relies on optics for spotting and clearly identifying game at greater distances - Magnification: 10x - Objective Lens Diameter: 42mm - Lens Coatings: Fully Multi-Coated – STYRKA SXL-MAX Coating - Angular Field of View: 6.5° - Linear Field of View: 341ft/114m@1000yds/m - Close Focus: 6.5ft / 2m - Eye Relief: 17.0mm - 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: 58-72mm - Diopter ADJ Range: ±4 - Weight: 23 oz - Size (LxWxH): 5.5x5.06x2.06