Perma Focus 10x42mm Binocular - 10x magnification. Fully coated optics for superior light transmission and brightness. Unique "Focus-Free" feature which is ideal for sporting events. Roof prism system. Field of View: 305' at 1000yds. Eye Relief: 14mm. Non-slip rubber armor absorbs shock while providing a firm grip. Twist-up eyecups. Gloved hand friendly. Includes carrying case, neck strap and lens cloth. Weight: 18.8oz. Color: Black.