The Newcon Optik 10x50 Military are rugged, full size binoculars designed to meet all applicable military standards. The binoculars perform extremely well in low light conditions due to their impressive light gathering, which are better than 90% light transmission. They are made of lightweight metal construction and rubber armored surfaces to make it shockproof and provide a secured grip. These binoculars feature fully broadband multi-layer coating optics for high resolution and delivers edge to edge sharpness. It is also nitrogen purged to be 100% fogproof. They are waterproof with O-ring seal protection.