100% Waterproof/Fogproof Phase-correction coated high index prisms Fully multicoated lenses for bright, clear images Ultra-rugged, rubber-armored design Long eye-relief for eyeglass wearers Twist-up eyecups for easy viewing Magnification x: 8 Objective Diameter (mm): 42 Angular Field of view (Real): 6.3 Angular Field of view (Apparent): 50.4 FOV at 1000 yds. (ft.): 330 Close Focus Distance (ft.): 8.2 Exit Pupil (mm): 5.3 Relative Brightness: 28.1 Eye Relief (mm): 19.6 Size (L&W) Inches: 5.7x5.0 Size (L&W) MM: 146x129 Weight (oz/g): 21.5/610