Magnification: 10x Objective Lens Diameter: 28mm Eye Relief: 16mm Exit Pupil: 2.8mm Linear Field of View: 273 feet/1000 yards Angular Field of View: 5.1 degrees Close Focus: 6.5 feet Interpupillary Distance: 55-74mm Height: 4.4 inches Width: 4.6 inches Weight: 13.5 oz