US Optics, TS Series Rifle Scope, 5-25X50mm, 30mm Main Tube, Front Focal Plane, 1/10 Mil Adjustments, Black Finish, Illuminated CMS Reticle Magnification: 5 - 25x Diopter: +2/-3 Exit Pupil Diameter: 2mm @ 25X, 10mm @ 5X Parallax Adjustment: 10 yds - Infinity 25X Field of View @ 100 meters = 1.4 meters 5X Field of View @ 100 meters = 6.6 meters Eye Relief: 2-3 inches Obj. Lens Diameter: 50mm Tube Diameter: 30mm Overall Length: 14.17 in Ocular Lens Diameter: 35mm Weight: 27.3 oz Reticle Illumination: Red Battery: CR 2032 Finish Color: Matte Black Elevation Knob: 1/10 mil (for MIL Reticles) Elevation Travel: 24 mils total travel 17 mils of travel on 20 MOA down Windage Knob: 1/10 mil (for MIL Reticles) Windage Adjustment Range: 18 mils of total 9L/9R Reticle: First Focal Plane CMS / JVCR Ready to take your long-range precision rifle to the next level of accuracy? The TS-25X's popular 5-25X magnification range, rugged 30 mm tube, optical clarity, and dependability make it the perfect choice for any LRP competition or hunting rifle. Its capability to adjust parallax from 10y to infinity makes it easy to take an accurate shot from 500 - 2000 yds. The TS-25X features tactical locking elevation and windage knobs, 180-degree magnification throw, rapid focus eyepiece, and a first focal plane illuminated reticle. To accommodate for different shooting styles, the TS-25X is offered in the CMS (Carolina Mil Scale) and JVCR reticle.