Burris 201044 XTR II 4-20x50mm Obj 25.8-5.4ft@100yd FOV 34mm Dia G2B MD Matte black 4-20x50mm Riflescope; length: 14.9; weight: 30.90 oz Reticles: G2B Mill Dot; Objective Lens Diameter: 58 mm; Illumination Settings: 11 Brightness Setting Focal plane: fop; main tube size: 34mm; click value: 1/10 mil; 100-click knob Field of View: 25.8 low-5.4 high (ftat100yds); Eye Relief: 3.5-4.25 in; Exit Pupil: 11 low-2.5 high(mm) Elevation Adjustment total capability: 90 MOA; windage Adjustment: 55 MOA; Battery: CR2032