These Yukon Frontier 8x42mm Compact Binoculars YK12001 takes incredible BaK-4 prisms, multicoated lens, Yukon's True Color lens coating and transforms them into a phenomenally performing optic. These incredible Yukon Frontier 8x42mm Waterproof Binoculars, while providing maximum light transmission and optimal brightness, let any outdoorsman or sports aficionado explore and enjoy their surroundings to the fullest extent. From early dawn to late dusk, the optimum color fidelity and clarity of image enhance any viewing experience, while a generously long eye relief reduces potential eye strain. The Yukon Frontier 8x42mm Sporting Binoculars boasts a rugged, yet lightweight, rubber armored body that is nitrogen filled for the highest level of waterproofing and fog proofing possible. Yukon Frontier Compact Waterproof Binoculars are taking the "Frontier of Optics" to a whole new level.