Burris Laserscope Xtr Pro 5.5-30X56Mm Laser Rifles, Burris Laserscope Xtr Pro 5.5-30X56Mm Laser Riflescope – Scr 2 1⁄4 Mil Illuminated SPECIFICATIONS Magnification: Zoom: 5.5X to 30X Objective Lens Diameter: 56mm Exit Pupil: 8.6 – 1.8 mm Eye Relief: 3.2-4 in. Field of View @ 100 Yards Spec: 23 ft – 4.2 ft. Tube Diameter: 34mm Turret Type: Tactical MIL Turret Click Value: .1 MRAD Illuminated Reticle: Yes Reticle Focal Plane: 1st Focal Plane Battery Type: CR2032 Parallax Adjustable: Yes – 20 yards to infinity Weight: 33.6 oz. Length: 15.4 in. Max Elevation Adjustment: 90 MOA / 26 mil Max Windage Adjustment: 51.5 MOA / 15 mil