The Vortex Viper HD 10x42 Roof Prism Binocular

KEY FEATURES AND SPECS: - Magnification - 10x - Objective Lens Diameter - 42 mm - Eye Relief - 16.5 mm - Exit Pupil - 4.2 mm - Linear Field of View - 319 feet/1000 yards - Angular Field of View - 6.1 degrees - Close Focus - 5.1 feet - Interpupillary Distance - 59-75 mm - Height 5.8 inches - Width5.3 inches -Weight 24.6 ounces Enjoy!