Engineered to perform in any condition, the Nikon Monarch 3 10X42 Binoculars are rugged, waterproof, and fogproof. The fully multicoated Nikon Eco-Glass lenses incorporate phase-correction and highly reflective silver-alloy multilayer prism coatings. The multicoated lenses make for excellent light transmission and resolution from dawn to dusk. Long eye relief of 17.4 mm combined with multi-click turn-and-slide rubber eyecups, makes the Monarch 3 10x42 extremely user-friendly and suited for virtually any hunting situation. They feature fully rubber armored body for maximum durability and a sure grip. Flip-down rubber lens covers round out the many great features that the Nikon Monarch 3 10X42 Binoculars have to offer.