DescriptionThis item is a night vision binoculars. It is made of quality metal material, portable, practical and durable. 42mm objective lens, 10 times magnification, suitable for concert, theater, opera, bird watching, and etc.Features-Color: Black -Material: metal -Size: 12.00X14.00X5.00cm/4.72X5.50X1.97in - Magnification: 10 times - Objective lens diameter: 42MM - Exit pupil diameter: 5.2MM - Exit pupil distance: 20mm - Eyepiece diameter: 18mm - Field of view angle: 7.4 degrees - Field of view: 129m/1000m - material: roof prism - Optical coating: FMC full-surface multilayer blue coating - Waterproof performance: waterproof - Near focal length: 1.2M - Eye mask form: spin-up eye mask - With large-aperture apochromatic objective lens, high-precision system, comprehensive multi-layer coating, imaging, advanced FMC multi-layer broadband coating technology, high - brightness. - Short close focus, especially suitable for close observation (1.2m). - High eye-point design, spin-up eye mask, easy to use for eyeglasses wearers. - Metal body, full rubber cover, absorption, non-slip, comfortable to hold. - The widened nylon shoulder strap makes it very comfortable to carry. Especially suitable for traveling, watching concerts and competitions.