Precision, accuracy, durability, and dependability are the correct words to describe this Nikon Prostaff Rimfire II scope. The model provides 3 - 9x magnification giving you a clear idea of the actual size of the targeted object. This Nikon device is the right choice for serious shooters and hunters who can appreciate its optical quality and performance. The scope weighs 13.3 oz and is 12.3 inches long. Specifications : Magnification : 3 - 9x - Max FOV @ 100 Yds : 33.8 ft - Min FOV @ 100 Yds : 11.3 ft - Effective Objective Diameter : 40mm - Adjustment Graduation : 1/4 MOA - Maximum Internal Adjustment : 80 MOA - Reticle : BDC - Rifle Exit Pupil : 4.4mm - Eye Relief : 3.6.