Canon EF28 User Manual
LENS
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EF28–135mm f/3.5–5.6 IS USM
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Instruction
English Instructions
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Thank you for purchasing a Canon product.
Canon EF28-135mm f/3.5-5.6 IS USM is a highperformance lens developed for EOS cameras that
incorporates an Image Stabilizer function.
● “IS” stands for Image Stabilizer.
● “USM” stands for Ultrasonic Motor.
a 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.
Features
1. The Image Stabilizer gives the equivalent effect of a
shutter speed two stops* faster.
2. High-magnification zoom from 28 mm wide-angle to
135 mm telephoto.
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. Great close-ups at 0.5 m/1.6 ft at all focal lengths.
* Based on [1/focal length] second.
Generally, it requires a shutter speed [1/focal length]
second or faster to prevent camera shake.
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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a Safety Precautions
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a Safety Precautions
1. 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.
2. 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.
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
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Hood mount
Zoom ring(→ 5)
Focusing ring(→ 5)
Image stabilizer switch(→ 6)
For detailed information, reference page numbers are
provided in parentheses (→ **).
Focus mode switch(→ 5)
Zoom position index
Distance scale(→ 8)
Contacts(→ 4)
Lens mount index(→ 4)
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1. Mounting and Detaching the Lens
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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 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, and turn clockwise. To remove it, reverse the order.
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