All-purpose Nikon Trailblazer binoculars feature multicoated lenses for brilliant clarity and 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 fog- and waterproof performance in any environment. Turn-and-slide rubber eyecups, complemented by generous eye relief, let eyeglass wearers use the binoculars in comfort. Large, central focus wheel and adjustable diopter make the focus easy to achieve and maintain, even if youre wearing gloves. Ideal for bird watching, travel, spectator sports and nearly any other outdoor adventure.