Thank you for purchasing a Canon product.
The Canon EF-S17-55mm f/2.8 IS USM lens is
a large-aperture, high-performance standard
zoom lens equipped with an Image Stabilizer.
It has been developed for EOS cameras*
compatible with EF-S lenses.
¡“IS” stands for Image Stabilizer.
¡“USM” stands for Ultrasonic Motor.Features
1. The Image Stabilizer gives the equivalenteffect of a shutter speed three stops faster*.
2. Aspheric and UD lens elements for excellent imaging performance with a large f/2.8
3. Ultrasonic motor (USM) for quick and quiet autofocusing.
4. Manual focusing is available after the subject comes into focus in autofocus mode (ONE
5. A truly round aperture hole results in a nicer background blur.
*Based on [1/(focal length x 1.6)] second. Generally,
it requires a shutter speed [1/focal length] second or
faster to prevent camera shake (in 35mm format.
With an EF-S lens, it would be [1/(focal length x
Conventions used in this instruction
Warning to prevent lens or camera
malfunction or damage.
Supplementary notes on using the lens
and taking pictures.
*Only the following cameras are compatible with
EF-S lenses (as of August 2012):
EOS 7D, EOS 60D, EOS 50D, EOS 40D, EOS
30D, EOS 20D, EOS 20Da, EOS REBEL
T4i/650D, EOS REBEL T3i/600D, EOS REBEL
T2i/550D, EOS REBEL T1i/500D, EOS REBEL
XSi/450D, EOS REBEL T3/1100D, EOS REBEL
XS/1000D, EOS DIGITAL REBEL XTi/400D
DIGITAL, EOS DIGITAL REBEL XT/350D
DIGITAL, EOS DIGITAL REBEL/300D DIGITAL