The uso ts-12x is a compact, lightweight and versatile first focal plane riflescope that offers reliable performance in extreme hunting conditions.The ts-12x features a 42mm objective, 30mm tube, rapid focus diopter, and tactical locking elevation and windage turrets.With the ability to quickly adjust from 3x to 12x, combined with a parallax adjustment from 10yds to infinity, there isn't a shot you cant make with the ts-12x.Adj Size: .1 MILMagnification: 3-12xObjective: 42mmField Of View: 30.41-8.33 ft @ 100 ydsEye Relief: 3"Tube Diameter: 30mmLength: 9.60"Weight: 18.11 ozReticle: MHRParallax Adjustment: 10 yds-Infinity