ZEISS VICTORY SF 8X32 BINO BLK Color: Black Magnification: 8 x Objective Lens Diameter: 32 mm Prism System: Schmidt-Pechan Exit Pupil: 4 mm Field of View, Linear: 155 m at 1000 m Field of View, Angle: 1.36-5.43 degrees Twilight Factor: 16 Diopter Adjustment Range: -4-4 dpt Water Resistance Level: Water Resistant Length: 152 mm Weight: 600 g Features of Zeiss Victory SF 8x32 Binoculars Magnification: 8x Objective Lens Diameter: 32mm Exit Pupil: 4 mm Twilight Factor: 16 Field of View at 1000 yds: 465 ft Angula FOV: 25.3 Close Focus: 6.4 ft Diopter Range: +/- 4 Interpupillary Distance: 54mm-76mm Eye Relief: 18mm Lens Type: Ultra-FL two-lens Fluoride System Prism System: Schmidt-Pechan Waterproof: 400 mbar Lens Coatings: Enhanced Tmulticoatings designed for each lens surface Fogproof: 100%, Nitrogen purged Operating Temperature: -22 / +145 Width: 4.4 in Length: 6 in Weight: 21.2 oz Color: Black Housing Material: Magnesium