Vanguard 10x42 Mossy Oak Binocular with ED Glass (Camouflage) ED glass, Bak4 phase-coated prisms and fully multi coated lenses; waterproof and fogproof 42 mm objective lenses with enhanced edge-to-edge view quality 3 stage twist out eyecups with long eye relief Position locking diopter ring Open bridge design with soft rubber Mossy Oak camo armor and a large focus adjustment wheel