Styrka Bino S5 8X42

The all-around choice. Provides a wider field of view and a brighter image than 10x models - Magnification: 8x - 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: 8.2ft / 2.5m - Eye Relief: 19.5mm - Exit Pupil: 5.25mm - Prism Type: BaK-4 - Prism Coatings: Phase and Dielectric - Waterproof: Waterproof (IPX7) and Nitrogen Purged - Relative Brightness: 27.5 - Twilight Factor: 18.3 - Interpupillary Distance: 58-72mm - Diopter ADJ Range: 4 - Weight: 22.6 oz - Size (LxWxH): 5.69x5.06x2.13