Focusing System: Central Focus - Magnification: 20x - Objective Diameter: 56mm - Angular Field of View (Real): 3.3° - Angular Field of View (Apparent): 59.9° - FOV at 1000 yds: 173 ft - Close Focus Distance: 16.4 ft - Exit Pupil: 2.8mm - Eye Relief: 16.4mm - Size (Length x Width): 7.8 x 5.7 in - Weight: 43.6 oz - Phase Coating: Yes - Dielectric Coating: Yes - Waterproof/Fogproof: Yes - Prism: Roof - ED Glass: Yes