10x 42mm Waterproof/Fogproof Porro Prism Binoculars Black

The ultimate outdoor viewing companion. BAK-4 prisms provide bright clear and crisp views. Multi-coated optics for superior light transmission. O-Ring sealed and nitrogen purged for reliable fog-free and waterproof performance. Non-slip rubber armor absorbs shock while providing a firm grip. Twist-up eyecaps. Large center-focus knob for easy adjustments. Longer eye relief. Porro prism system. Magnification: 10x. Objective lenses: 42mm diameter. Apparent viewing angle: 65-degree wide angle.