PXT1037 Features: * Binoculars * Prism: Roof * Magnification: 10x * Objective lens diameter: 50mm * Multi layer coating * Relative brightness: 25 * Focusing range: 18.2ft. infinity * Field of view at 1000 yards: 261 ft. * Exit pupil: 5mm * Eye relief: 20mm Dimensions: * Dimensions: 4" H x 9" W x 9" D