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The Canon EF-S10-22mm f/3.5-4.5 USM lens is a compact and lightweight, ultra-wide angle lens with high-performance optics. It has been developed for use with EOS cameras* compatible with EF-S lenses.

*As of February 2010, only the EOS 7D, EOS 50D, EOS 40D, EOS 30D, EOS 20D, EOS 20Da, EOS REBEL T2i/550D, EOS REBEL T1i/500D, EOS REBEL XSi/450D, EOS REBEL XS/1000D, EOS DIGITAL REBEL XTi/400D DIGITAL, EOS DIGITAL REBEL XT/350D DIGITAL, and EOS DIGITAL REBEL/300D DIGITAL are compatible with EF-S lenses.

Features

1.An aspheric lens element and super UD lens element afford excellent image delineation and ultra-wide zoom.

2.Ultrasonic motor (USM) for quick and quiet autofocusing.

3.Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF).

4.A truly round aperture hole results in a nicer background blur.

¡“USM” stands for Ultrasonic Motor.

Conventions used in this instruction

Warning to prevent lens or camera malfunction or damage.

Supplementary notes on using the lens and taking pictures.

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