For performance that won’t weigh you down on long backcountry hunts you need the BX®-4 Pro Guide™ HD binoculars. They deliver the brightness edge-to-edge sharpness and contrast guides demand and we’ve taken extra steps to eliminate glare. You won’t find binoculars that work better in the worst light or reveal more in those crucial minutes at dawn and dusk. - 100% Waterproof and Fogproof - BAK 4 Prisms - Ergonomic Design - Fully Multi-coated Lens System - High Definition - Open Bridge Roof Prism Design - Phase Coated - Twilight Max HD Light Management System - Twist Up Eyecups - Interpupillary Distance Range: 58-74 - Weight (oz): 23.4 - Linear FOV (ft/1000 yd) - High: 368 - Length (in): 5.6 - Eye Relief (mm) - High: 19 - Angular FOV (degrees) - High: 7 - Exit Pupil (mm) - High: 5.3 - Close Focus Distance (ft): 8