Hooway 7×50 Waterproof Fogproof Military Marine Binoculars w/Internal Rangefinder & Compass for Navigation,Boating,Fishing,and More

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.