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PERFECT FOR MARINE - Marine binoculars with 7x magnification and 50mm objective lens;22 mm eye relief,6.8mm exit pupil,and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.
ADAPT TO EXTREME ENVIRONMENT - Completly waterproof and float in water.Nitrogen-purged fog proofed Stable,comfortable to hold and highly durable.
BRIGHT AND CLEAR - Porro prism system for a wide field of view.Premium BAK4 prism and Fully multi-coated optics produce bright,crisp images.
COMPASS & RANGEFINDER - Illuminated Compass built-in for direction location,with an internal rangefinder for determining distance and size of objects.
MILITARY STANDARS - Non-slip rubber armor absorbs shock & provides a firm grip.Tripod adapter fitting for tripod mounting for increased stability.