10×50 Navy Binoculars Telescope HD Night Vision With Compass Measurement
Waterproof anti – fog telescope. Military grade manufacturing technology. Eyes 10 times comfortable focus. 50 mm objective lens size. 23 mm eyepiece size. BAK4 prism refractive index. Compass is divided into precise positioning. Material of lens: BAK4. Object lens diameter:50 mm. Exit pupil distance: 23.0 mm. Exit pupil diameter: 7.1 mm. Field of view: ft/1000… Read more 10×50 Navy Binoculars Telescope HD Night Vision With Compass Measurement