Featuring ashperical multicoated lenses and BaK4 high index Porro style prisms - Turn-and-slide rubber eyecups - Ergonomic lightweight design - Durable and protective rubber-armored coating - Manufactured responsibly with lead and arsenic-free Eco-Glass - Focusing System: Central Focus - Magnification: 7 x - Objective Diameter: 50 mm - Angular Field of View (Real): 6.4 - Angular Field of View (Apparent): 42.7 - FOV at 1000 yds: 335 ft - Close Focus Distance: 26.2 ft - Exit Pupil: 7.1 mm - Relative Brightness: 50.4 - Eye Relief: 17.6 mm - Size (Length x Width): 7.1 x 7.8 in - Weight: 31.9 oz - Prism: Porro