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 44mm 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 isnt a shot you cant make with the TS-12X. Specifications for U.S. Optics TS-12X 3-12x44mm Rifle Scope 30mm Tube First Focal Plane: Manufacturer: U.S. Optics Objective Lens Diameter: 44 mm Magnification: 3 - 12 x Reticle: Mil Hunting Reticle (MHR) Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 2 mm Finish: Type III Hard Coat Anodized Field of View, Linear: 26.25 - 30.41 ft at 100 yds Eye Relief: 3 in Diopter Adjustment Range: -2 - 3 dpt Color: Black Weight: 18.11 oz Adjustment Click Value: 1/10 Mil Rad Length: 9.6 in Adjustment Type: Mil Rad Parallax: 10 yds to infinity Battery Type: CR2032 Width: 3.883 in Fabric/Material: Aluminum Height: 2.43 in Magnification Type: Variable Condition: New Features of U.S. Optics TS-12X 3-12x44mm Rifle Scope 30mm Tube First Focal Plane: Non-Lit FFP MHR Reticle; Elevation and Windage Zeroing Knob with 1/10 MIL Adjustments Package Contents: U.S. Optics TS-12X 3-12x44mm Rifle Scope 30mm Tube First Focal Plane