Standard zoom lens with an Image Stabilizer and high zoom ratio. With the Image Stabilizer turned on, you can obtain sharp, natural-looking pictures in dim lighting without using flash or a tripod. Very handy for places where flash is prohibited. Uses ring-type USM for swift, silent autofocus and full-time manual focus. A compact and lightweight zoom lens with built-in image stabilizer for greater sharpness Advanced optics and aspherical lens element help preserve sharpness and color clarity from edge to edge Accepts 72mm lens filters (optional) Features EF mount; standard zoom lens Internal focusing; full-time manual focus; aspherical lens; image stabilizer 28-135mm focal length f/3.5-5.6 maximum aperture Micro UltraSonic Motor (USM)