Celestron 71335 Nature DX 10x56 BaK 4 Prism Binoculars, Green

designed with the outdoor enthusiast in mind, waterproof and fully rubber armoured phase coated bak-4 prisms for increased contrast and resolution fully multi-coated optics provide brighter images by increasing light transmission through the entire optical path close focus of 6.5 feet for viewing nearby subjects sturdy, twist-up eyecups with multiple stops. eyeglass friendly with 17.5 mm of eye relief Optical zoom: 10.0 multiplier_x