TASCO× OFFSHORE 10X42 ROOF PRISM BINOCULARS

10x magnification and 40mm lens diameter. O-ring sealed with waterproof design. Nitrogen purged for fogproof performance. BaK-4 prism system provides sharp and detailed images. Non-slip rubber armor. Porro prism system. Mutli-coated lens. Field of view at 1000yds: 341ft. 16mm eye relief. 4.2mm Exit pupil. Includes carrying cas, neck strap and lens cloth.