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- Phase-Corrected BAK4 Roof Prisms
- Index-Matched Fully Multi-Coated Optics
- Lead-Free Calcium-Fluoride Glass
- Nitrogen-Filled, Water and Fogproof
- Slim, In-Line Design
- Slip-Resistant Armored Ergonomic Chassis
- Phase Coated
- Diopter Focus
- Twist-Up Eyecups
- Sitka Subalpine Camo Finish
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.
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Warranty Information
- Interpupilary Distance Range - 58-74 mm
- Weight - 24 oz
- Linear FOV (ft/1000 yd) - 326
- Linear FOV (m/1000 m) - 109
- Length - 142 mm
- Eye Relief - 16 mm
- Angular FOV (degrees) - 6.2
- Weight - 686 g
- Exit Pupil - 4.2 mm
- Close Focus Distance - 7.5 ft/2.3 m
