Uses the V-Plex format along with battery-powered electronics to illuminate the center dot for better low-light performance. Good for hunters/shooters during extra-low light conditions. Magnification: 1-4 x Objective Lens Diameter: 24 mm Eye Relief: 4.0 inches Field of View: 96.1-24.1 feet/100 yards Tube Size: 30 mm Turret Style: Capped Adjustment Graduation: 1/2 MOA Travel per rotation: 30 MOA Max Elevation Adjustment: 100 MOA Max Windage Adjustment: 100 MOA Parallax Setting: 100 Yards