These all-purpose Nikon binoculars have multicoated lenses for brilliant clarity, and offer waterproof, fog-free performance in a slim, rugged body. Ergonomic, slim style is mated with a rubber-armored exterior, providing a firm gripping surface whether wet or dry. All lens and prism elements incorporate Nikon-exclusive Eco-Glass, made without the use of arsenic or lead. All lenses are coated with multiple layers of anti-reflective compounds for maximum light transmission. Sealed for total waterproof and fog-proof performance in any environment. Turn-and-slide rubber eyecups, complemented by generous eye relief, allow the binoculars to be used comfortably by eyeglass wearers. Large, central focus wheel and adjustable diopter make focus easy to achieve and maintain, even while wearing gloves. Ideal for bird watching, travel, spectator sports and nearly any other outdoor adventure.