The Vortex Viper HD 10x50 Roof Prism Binocular

KEY FEATURES AND SPECS: - Magnification - 10x - Objective Lens Diameter - 50 mm - Eye Relief - 19.5 mm - Exit Pupil - 5 mm - Linear Field of View - 278 feet/1000 yards - Angular Field of View - 5.3 degrees - Close Focus - 8.2 feet - Interpupillary Distance - 59-75 mm - Height 6.7 inches - Width5.3 inches - Weight 28.4 ounces Enjoy!