Leupold BX-4 Pro Guide HD 8x42mm Roof Shadow GrayFor 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 FogproofBAK 4 PrismsErgonomic DesignFully Multi coated Lens SystemHigh DefinitionOpen Bridge Roof Prism DesignPhase CoatedTwilight Max HD Light Management SystemTwist Up EyecupsInterpupillary Distance Range58-74Weight (oz)23.4Linear FOV (ft/1000 yd) - High368Linear FOV (m/1000 m) - High123Length (mm)142Eye Relief (mm) - High19Angular FOV (degrees) - High7Weight (g)663Exit Pupil (mm) - High5.3Close Focus Distance (ft)8Close Focus Distance (m)2.4