Special Features : Coating: Multi-coated, Prism Category: BK7, Exit Pupil Diameter: 5 mm, Field Of View at 1000 M: 56 M, Built: Metal Structure, Magnification: 7 x, Focus & Tuning: Right Eyepiece Diopter Adjustment & Central scroll Focus Adjust, Objective Diameter: 50mm, Exit Pupil Distance: 19mm, Angle of Vision: 9 degrees, Waterproof: Yes, Field Of View at 1000 YDS: 168 FT, Grip: Outer Surface has Non-Slip Rubber, Eyepiece: 14 mm