Military grade binoculars. Professional marine binoculars with built-in night vision, rangefinder and compass. Water-resistant and resistant to impact and low temperature. optics - prism Bak-4. The digital compass and rangefinder are illuminated. Filled with nitrogen. Nitrogen in binoculars eliminates haze on the inner surfaces of lenses even in extremely difficult conditions. For example, during a downpour or high humidity. Each eyepiece has a separate focus adjustment. Magnification: 10x Lens diameter: 50 mm Prisms: BaK4 Field of view: 114/1000 m Diameter of eyepiece: 23,5 mm Waterproof: IPX7 Dimensions: 200x70x155 mm Anti-reflection lens coatings: FMC Housing filling: nitrogen Diopter adjustment: /-5 Output pupil: 7.1 mm Weight: 920g Binoculars pull well. Good quality, clear picture, goes far. Irreplaceable during sailing, sea trips as well as during survival, tourist trips, hunting and fishing. Cheaper now!