* Model : 3-9×40SFIRF
* Power : 3X-9X
* Objective Diameter (mm) : 40
* Ocular lens diameter (mm) : 37
* Ocular length (mm) : 58
* Field of View (ft@100yds) : 45~15
* Filed of View (m/100m) : 15~5
* F.O.V. angle (°) : 8.6~2.9
* Exit Pupil (mm) : 13.3-4.4
* Focus range (YDS) : 10～∞