DESC: Enjoy true wide-angle to tele-coverage with the EF-S 17-85 mm f/4-5.6 IS USM Zoom Lens from Canon. Incorporated with Canon’s Image Stabilization (IS) system, it facilitates up to three stops slower and safe hand-holding, allowing clear and sharp picture shots even in low-light levels. The Aspheric element with two Aspherical surfaces provides excellent optical performance. With closest focusing distances of 1.15 ft, this zoom lens is ideal for use in applications where portability is an important consideration. In addition, the ring-type Ultrasonic Motor (USM) enables fast and silent Auto Focusing (AF) along with full-time manual focus when in the Auto Focusing (AF) mode.