NCN1068 Features: * Binocular * Comes with 20x & 40x eyepieces * Nitrogen filled * Coating: FMC * Prism: BAK-6 * Focus: 5 m - Infinity * Magnification: 20x or 40x * Apparent field of view: 60° * Objective lens diameter: 100 mm * Interpupillary distance: 55-72 mm * Long range observation binoculars * Operating temperature: -40°C - +50°C * Field of view: 2.5° +/- 15 (20x); 1.5 +/- 15 (40x) * Field of view 1000 yards: 131 feet (20x); 79 feet (40x) Dimensions: * 16.5"" H x 10.1"" W x 4.9"" D, 15.4 lbs