The National Geographic Expedition Series 10x42 WP Binoculars are the ideal companion for outdoor enthusiasts seeking durability and superior optical performance. These waterproof binoculars are designed to withstand the elements, making them perfect for a variety of outdoor adventures. With 10x magnification and a 42mm objective lens, they deliver bright, sharp views with a wide field of view—384 feet at 1000 yards—ensuring you never miss a detail. The BaK-4 prisms and fully multi-coated lenses provide exceptional color fidelity and high contrast, even in low-light conditions. The twist-up eyecups easily adjust to suit both spectacle wearers and those without glasses, and diopter compensation ensures a clear, personalized view for every user. The binoculars are also equipped with a quick-opening objective cap system and a tripod adapter thread for added stability during extended use. For convenience, the set includes a case, strap, and cleaning cloth, making it easy to keep your binoculars ready for action on your next adventure.