Thank you for purchasing a Canon product.
Canon’s
●●“USM” stands for Ultrasonic Motor.
Features
1.Use of super UD lens elements, UD lens elements, and two types of aspherical lens elements giving superior definition.
2.Using a fluorine coating on the foremost and rearmost lens surfaces allows adhered dirt to be removed more easily than before.
3.Ultrasonic motor (USM) for fast, quiet autofocus.
4.Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF).
5.Circular aperture for producing beautiful softfocus images.
6.Tight seal structure ensures excellent dustproof and