This rugged, HD optical system delivers adjustable eyecups and a diopter for custom, comfortable viewing. This binocular also comes with a useful neck strap and adjustable GlassPak harness for fast access and easy carry wherever outdoor adventure takes you. The Vortex Triumph HD 10x42 Binocular features the best image quality, ergonomics, and durability in its class because it is water, fog, and shockproof. It features fully multi-coated lenses for edge-to-edge sharpness and light transmission youd expect in binos that cost a lot more. It can be stowed in your truck, backpack, or go-bag.