Canon EF 8-15 mm f/ 4 L USM Fisheye Lens 说明手册
ENG-1
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.
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.
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“IS” stands for Image Stabilizer.
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“USM” stands for Ultrasonic Motor.
Features
1. The Image Stabilizer gives the equivalent
effect of a shutter speed three stops faster*.
2. Aspheric and UD lens elements for excellent
imaging performance with a large f/2.8
aperture.
aperture.
3. Ultrasonic motor (USM) for quick and quiet
autofocusing.
4. Manual focusing is available after the subject
comes into focus in autofocus mode (ONE
SHOT AF).
SHOT AF).
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
1.6)] second).
faster to prevent camera shake (in 35mm format.
With an EF-S lens, it would be [1/(focal length x
1.6)] second).
Conventions used in this instruction
Warning to prevent lens or camera
malfunction or damage.
malfunction or damage.
Supplementary notes on using the lens
and taking pictures.
and taking pictures.
* As of October 2010, only the EOS 7D, EOS 60D,
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.
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.