Bushnell PermaFocus 10 x 42mm Binoculars: * Field of View at 1000 yards: 305 ft * Eye Relief: 14 mm * Standard size * Roof prism * Fully coated optics for superior light transmission and brightness * Unique focus-free feature stays in focus at most viewing distances * Non-slip rubber armor absorbs shock while providing a firm grip * New streamlined roof-prism model in high magnification * 10x magnification * Includes soft carry case, lens cloth, neck strap * Tripod adaptable