BNISE Binoculars with Compass and Rangefinder 10x50 Large Object FMC Lens Clear View BAK4, Marine Binoculars for Adults Fogproof for Navigation Birdwatching

It’s a high-end military binocular equipped with a distance measurement device that can calculate the distance and the altitude of the object. Along with a compass that allows the user to clearly identify the absolute orientation of the object. ☀【BAK4 & FMC Binoculars】High refractive index BAK4 Porro Prism eliminates the stray light and improves color reproduction to 99.99%. Green FMC anti-reflective coating reduces the reflected light in the objective lens and improves light transmission, image brightness and image sharpness. ☀【Binoculars with Rangefinder Compass】The illuminated compass builted-in for direction location in the right objective lens, with an internal rangefinder for calculate the distance and size of the object on the right eyepiece by formula. ☀【Marine Binoculars】Binoculars floating with 10x magnification and 50mm large 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.With ±5 diopter left