Canon EF 22-55mm f/4-5.6 USM Wide Angle Zoom Lens – Full Frame Compatible
The Ultrasonic Motor (USM) provides fast and quiet autofocus performance, making it a great walkaround lens for photography or video. Canon EF 22-55mm f/4-5.6 USM lens. Ultrasonic Motor (USM) – Fast and quiet autofocus.