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EF-S10-22mm f/3.5-4.5 USM
Instruction
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Thank you for purchasing a Canon product.
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.
¡“USM” stands for Ultrasonic Motor.
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.
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
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aSafety Precautions
•Do not look at the sun or a bright light source
through the lens or camera. Doing so could
result in loss of vision. Looking at the sun directly
through the lens is especially hazardous.
•Whether it is attached to the camera or not, do
not leave the lens under the sun without the
lens cap attached. This is to prevent the lens from
concentrating the sun’s rays, which could cause a
fire.
Handling Cautions
•If the lens is taken from a cold environment into
a warm one, condensation may develop on the
lens surface and internal parts. To prevent
condensation in this case, first put the lens into an
airtight plastic bag before taking it from a cold to
warm environment. Then take out the lens after it
has warmed gradually. Do the same when taking
the lens from a warm environment into a cold one.
•Do not leave the lens in excessive heat such as in
a car in direct sunlight. High temperatures can
cause the lens to malfunction.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Do not make any changes or modifications to the equipment
unless otherwise specified in the instructions. If such changes or
modifications should be made, you could be required to stop
operation of the equipment.
This equipment has been tested and found to comply with the
limits for a class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of
the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Consult the dealer or an experienced radio/TV technician for
help.
This Class B digital apparatus complies with Canadian ICES-003.
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Nomenclature
Distance scale (→ 5)
Contacts (→ 4)
Focus mode switch
(→ 4)
Hood mount (→ 7)
Lens mount index (→ 4)
Filter mounting
thread (→ 6)
Zoom ring (→ 5)
Focusing ring (→ 4)
Zoom position index (→ 5)
For detailed information, reference page numbers are provided in parentheses (→ **).
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1
Mounting and Detaching the Lens
See your camera’s instructions for details on
mounting and detaching the lens.
¡After detaching the lens, place the lens with the
rear end up to prevent the lens surface and
electrical contacts from getting scratched.
¡If the contacts get soiled, scratched, or have
fingerprints on them, corrosion or faulty
connections can result. The camera and lens
may not operate properly.
¡If the contacts get soiled or have fingerprints on
them, clean them with a soft cloth.
¡If you remove the lens, cover it with the dust
cap. To attach it properly, align the lens mount
index and the ¢index of the dust cap as shown
in the diagram, and turn clockwise. To remove
it, reverse the order.
2Setting the Focus Mode
After autofocusing in ONE SHOT AF mode, focus
manually by pressing the shutter button halfway
and turning the focusing ring. (Full-time manual
focus)
To shoot in autofocus (AF) mode, set the focus
mode switch to AF.
To use only manual focusing (MF), set the focus
mode switch to MF, and focus by turning the
focusing ring. The focusing ring always works,
regardless of the focus mode.
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