The Burris Fullfield 4-16x50mm riflescope is designed for shooters who demand versatility and precision over long distances. With its expansive 4-16x magnification range, this scope offers wide views for target acquisition at lower powers and detailed accuracy for long-range shots. The large 50mm objective lens ensures excellent light transmission, delivering crisp, bright images even in low-light conditions.Specifications and Features: Reticles: Ballistic E3 Illuminated Color: Matte Black Knob Style: Standard Capped Illumination: Yes Magnification: 4-16x Objective Diameter: 50 mm Focal Plane: Rear Focal Plane Main Tube Size: 1 in. Field Of View: 27 - 6.75 ft. Eye Relief: 3.7 - 4.2 in. Exit Pupil (low - high): 10.0 - 3.8 mm Click Value: 1/4 MOA Elevation Adjustment, Total Capability: 54 MOA Windage Adjustment: 54 MOA Parallax/Focus: Side Focus Parallax: 25 yds. - infinity Battery: CR2032