10x50 Waterproof Fogproof Military Marine Binoculars w/Internal Rangefinder & Compass for Navigation,Boating,Fishing,Water Sports for Adult Bird

Details

• COMPASS & RANGEFINDER - Illuminated Compass built-in for direction location,with an internal rangefinder for determining distance and size of objects.
• Satisfaction Guarantee: The telescope has been tested for durability and function before shipping it to you. If you have any questions our products, please feel free to contact us, we will definitely solve your problem first!
• BRIGHT AND CLEAR - prism system for a wide field of view.Premium BAK4 prism and Fully multi-coated optics produce bright,crisp images.
• PERFECT FOR MARINE - Marine binoculars with 10x 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.