Product : Material: Metal, Rubber Weight: 0.97kg Color: Black Size: 200*205mm Objective lens diameter: 50mm Eyepiece diameter: 22mm Field of view: 0.168m/1000m Coating type: Multi-layer coating Waterproof rating: Life waterproof Brightness factor: 27 Focusing method: Center focusing Prism: BAK-4 Magnification: 12x Exit pupil distance: 20mm Exit pupil diameter: 6.3 Package includes: 1*Binoculars, 1*Telescope bag 1 * Lanyard 1 * Eyepiece cap Lens cap 1 * Mirror cleaning cloth 1 * Cell phone holder" Powerful binoculars: 20x magnification, large 50mm objective lens, wide field of view for fast-moving patterns, easy to use binoculars for adults and children, ideal for bird watching, hiking, hunting, traveling, opera, concerts, sporting events, Apple browser. Binoculars with Large Eyepiece: Perfect binoculars for adults and kids. 28mm eyepiece for clearer full-size images and support taking pictures or videos in full screen. HD Binoculars: with BAK4 Pro prisms to eliminate stray light and improve color reproduction. FMC green anti-reflective coating reduces light reflection in the lens and improves light transmittance, image brightness and image sharpness. Dark Light Night Vision: 50mm lens is larger than usual and has better light gathering ability for better results in dark light. Allows clear viewing in low light conditions but not in total darkness. High Quality Easy Focusing: The military binoculars are made of high quality metal frame and rubber reinforced housing, which is waterproof and shockproof for life. The diopter system corrects imbalances in both eyes.