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.