Canon Ultrasonic EF24-70mm f/2.8L II USM Instructions Manual page 2

Thank you for purchasing a Canon product.
Canon's EF24-70mm f/2.8L II USM is a high-
performance standard zoom lens, for use with EOS
cameras.
"USM" stands for Ultrasonic Motor.
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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 drip-proof performance.
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