The Weems PRO 7x50 binoculars are loaded with features for discriminating professional sailors and mariners. Built to exceed military specifications for superior optical performance and durability, they show their true worth by providing high resolution and brightness at dusk and dawn. Featuring in.flat fieldin. lenses that result in excellent edge-to-edge sharpness and optimal eye relief, these exceptional binoculars provide superb image quality even when wearing glasses. Their tough rubber-armored exterior for a non-slip grip and their shock and water resistance make the Weems PRO binoculars the ideal companion when the going gets tough.