6-24x56 SF20x half MilTube diameter 1.2” / 30mmClick value 1/10 MRADLength 14.3”/363mmWeight 27.3oz/775gEye relief 4”/ 102mmRed illumination with 6 levels of brightnessFully multi coated optics.Side focus parallax adjustment to infinityZoom ring with thumb lever and locking ocularWaterproof, shock proof and fog proof