Fully multicoated optics: For the ultimate in brightness and resolution. - Click-stop twist-out eyecup design: Delivers both long eye relief and variable eye relief to customize these binoculars to your eyes and accommodate glasses. - Unique servo control system: Provides a view that is unaffected by either shake or roll and allows stable viewing even when panning or tilting. - Waterproof/Fogproof: Nitrogen-filled and O-ring sealed. - Focusing System: Central Focus - Magnification: 12 x - Objective Diameter: 32 mm - Angular Field of View (Real): 5 - Angular Field of View (Apparent): 55.3 - FOV at 1000 yds: 262 ft - Close Focus Distance: 11.5 ft - Exit Pupil: 2.7 mm - Relative Brightness: 7.3 - Eye Relief: 15 mm - Size (Length x Width): 7 x 5.6 in - Weight: 39.8 oz - Interpupilary Distance: 56 -72 mm - Degree of Compensation: +/- 3 - Prism: Roof