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Monocular Telescope 10X50 Navigation Binoculars,Large Field of View HD Marine Compass Coordinate Ranging Waterproof Binocular for Birds Watching Sports
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★ The BAK4 high refractive index prism has bright, clear images and a sharp contrast that gives you all the details of the object. ★ Floatable IPX7 waterproof structure: ship-type internal closed waterproof structure, nitrogen filling system can achieve shock resistance of 900GS, effectively extend the service life in various harsh environments ★ Dynamic autofocus system: 3 seconds correction. When observing a moving object, it will automatically focus, no need to adjust the focus again! ★ Complete Multiple Coating (): multiple lens fully coated with anti-reflective green film for excellent light and brightness transmission while improving contrast and resolution. ★ Wide range: Suitable for both adults and kids, fit for , hiking, exploring, viewing, sailing, bird watching, concert, outdoor sports etc.
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