Explore the underwater world with the Barska Deep Sea 7x42 Monocular. This midsize monocular boasts a fully-multi lens coating and an internal rangefinder for accurate distance measurements. Its eyepiece focus system allows for quick and easy adjustments, while its directional compass aids in navigation during boating, marine, and fishing adventures. With a close focus distance of 42.64 ft/13m, you can get up close and personal with marine life. This waterproof and fogproof monocular is the perfect companion for any underwater enthusiast.