... weight, and ergonomic thumb depressions for comfortable, long-term viewing, waterproof, fogproof, nitroge Binger 10x42 water proof binoculars:Perfect balance, light ... weight, and ergonomic thumb depressions for comfortable, long-term viewing, waterproof, fogproof, nitrogen filled, BAK-4 prism. Near foucs from ... , 342ft at 1000ydNear focus:2m Water proofyesPrism system:roofCoating:Full-multi coated