NcStar Rangefinder Scope Magnification: 3X-9X Objective Diameter (mm): 42.00 Fov (Feet At 100 Yards): 36.8-12.0 Eye Relief (In): 2.0 Exit Pupil(mm): 9.3-3.1 Reticle: Rangefinder N.W(Oz.): 16.7 Length (In): 7.54 Click Value: 1/2 M.O.A. more info