ZEISS TERRA ED POCKET BINO 10X25 BLK

Light Transmission: 88% - Magnification: 10x - Lens Diameter: 25 mm - Exit Pupil Diameter: 2.5 mm - Twilight Factor: 15.8 - Field of View at 1000 m (yds): 97 m (291 ft) - Angular Field of View: 54 - Close Focusing Distance: 1.9 m (6.2 ft) - Diopter Adjustment Range: ?3.0 | + 3.0 dpt - Exit Pupil Distance: 16.0 mm - Interpupillary Distance: 35–72 mm - LotuTec | Nitrogen Filled: + | + - Water Resistance: 100 mbar - Operating Temperature: ?20 C | + 63 C (-4 F | + 145 F) - Length: 111 mm (4.4) - Width at an Interpupillary Distance of 65 mm: 115 mm (4.5) - Weight: 310 g (10.9 oz)