Oushili Army binoculars Zoom Vision Optical Wide-angle Binoculars,Night and Day Working Powerful zoom with different magnifications ideal for all outdoor activities and sporting events Shock-absorbing rubber armor High quality ruby lens to minimize UV glareWith a strong optical lenses, LLL night vision function Strong waterproof shockproof function, comfortable and convenient to carry, you will love it 50 mm Lens Diameter. Designed with ultra wide angle optics system, it will bring you broader field of view. Coated optics,high quality image.16.4 feet close focusing distance easy adjustment and rapid focusing. Best for going through the sightseeing for traveling,stadium sports, bird-watching, concerts, hunting, hiking, etc.