Ultrahigh 10.7x ratio zoom lens covering 28-300mm focal range with the maximum aperture of f/5.6 at telephoto end Vibration Reduction (VR II) provides the equivalent of a shutter speed approximately four stops faster Two ED (Extra-low Dispersion) glass and three aspherical lens elements minimize lens aberrations for superior picture quality Two focus modes selectable - M/A and M Zoom lock is employed to stop the lens from sliding during transportation