LEUPOLD 172662 LEUPOLD 172662 BX-4 Pro Guide HD 8x42mm Roof Shadow GrayLeupold BX-4 Pro Guide HD 8×42mm Roof Shadow Gray Binoculars Features:- 100% Waterproof and Fog Proof- BAK 4 Prisms- Ergonomic Design- Fully Multi coated Lens System- High Definition: Look for extremely vivid color, life-like clarity, and higher overall performance thanks to the calcium-fluoride lenses. Another added advantage of these non-lead based lenses is that they’re lighter in weight- Open Bridge Roof Prism Design- Phase Coated- Twist Up Eyecups Specifications: - Color: Shadow Gray - Actual Magnification: 8 x- Objective Clear Aperture: 42 mm- Linear Field of View (ft/1000 yd): 368'- Linear Field of View (m/1000 m): 123 m- Angular Field of View (degrees): N/At- Weight: 23.4 oz.- Weight: 663 g- Length: 5.6- Length: 142 mm- Exit Pupil: 5.3 mm- Eye Relief (mm)tN/A- Close Focus Distance: 8'- Close Focus Distance: 2.4 mSOLD QUANTITY: 1