Canon EF-S 17-55 f/2 8 IS USM User Manual

EF-S17-55mm f/2.8 IS USM

Instruction

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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 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.

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).

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).

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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a Safety 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)

Image stabilizer switch (→ 6)

Hood mount
(→ 9)

Lens mount index (→ 4)

Filter mounting
thread (→ 8)

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.

2

Setting 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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3

Zooming

To zoom, turn the lens’ zoom ring.

Be sure to finish zooming before focusing.
Changing the zoom ring after focusing can affect
the focus.

4

Infinity Compensation Mark

To compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal temperature is the
point at which the vertical line of the L mark is
aligned with the distance indicator on the
distance scale.

For accurate manual focusing on subjects at
infinity distance, look through the viewfinder while
rotating the focusing ring.

Infinity Compensation Mark

Distance index

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5

Image Stabilizer

You can use the image stabilizer in AF or MF mode.

The image stabilizer in this lens
is effective for hand-held shots
under the following conditions.

¡

In semi-darkened areas such
as indoors or outdoors at night.

¡

In locations where flash
photography is prohibited, such as
art museums and theater stages.

¡In situations where your

footing is uncertain.

¡

In situations where fast shutter
settings cannot be used.

1

Set the STABILIZER
switch to .

¡If you are not going to

use the image stabilizer
function, set the switch to

.

2

When you press the
shutter button
halfway, the Image
Stabilizer will start
operating.

¡Make sure the image in

the viewfinder is stable,
then press the shutter
button the rest of the
way down to take the
picture.

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Image Stabilizer

¡When you use a tripod, the Image Stabilizer

should be turned off to save battery power.

¡The stabilizer is equally effective for hand-held

photography and photography with a monopod.

¡The image stabilizer function also operates

when the lens is used with an Extension Tube
EF12 ll.

¡Pictures may look distorted after being taken

depending on the camera, but this doesn't affect
shooting.

¡If you set the camera’s Custom Function to

change the assigned button to operate the AF,
the Image Stabilizer will operate when you press
the newly assigned AF button.

¡The Image Stabilizer cannot compensate for a

blurred shot caused by a subject that moved.

¡Set the STABILIZER switch to when you

are taking pictures using the Bulb setting (long
exposures). If the STABILIZER switch is set
to , the image stabilizer function may
introduce errors.

¡The Image Stabilizer might not be fully effective

in the following cases:

• You move the camera for a panned shot.

• You shoot while riding on a bumpy road.

¡The Image Stabilizer consumes more power

than normal shooting, so fewer shots can be
taken if you use the function.

¡The image stabilizer operates for about two

seconds even when your finger is off the shutter
button. Do not remove the lens while the
stabilizer is in operation. This will cause a
malfunction.

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6

Filters (Sold Separately)

You can attach filters to the filter mounting
thread on the front of the lens.

¡Only one filter may be attached.
¡If you need a polarizing filter, use the Canon

Circular Polarizing Filter (77mm).

¡To adjust the polarizing filter, first remove the

lens hood.

7

Extension Tubes (Sold Separately)

You can attach Extension Tube EF12 II for
magnified shots. The shooting distance and
magnification are shown below.

Although Extension Tube EF25 II can be attached,
it is not recommended because the lens-to-subject
distance will be very short.

Camera-to-Subject

Magnification

Distance (mm)
Near Far Near Far

EF12 II

17mm Incompatible
55mm 205 334 0.45× 0.23×

Manual focusing is recommended for accurate
focusing.

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8

Hood (Sold Separately)

The EW-83J hood can keep unwanted light out of the lens, and also protects the lens from rain,
snow, and dust.

To attach the hood, align the hood’s attachment position mark with the red dot on the front of the
lens, then turn the hood as shown by the arrow until the lens' red dot is aligned with the hood's stop
position mark.
The hood can be reverse-mounted on the lens for storage.

¡Part of the picture may be blocked if the hood is not attached properly.
¡When attaching or detaching the hood, grasp the base of the hood to turn it. To prevent deformation, do not

grasp the rim of the hood to turn it.

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9

Close-up Lenses (Sold separately)

Attaching a 500D (77mm) Close-up Lens
enables close-up photography.
Magnification will be 0.23× – 0.03×.

¡Close-up Lens 250D cannot be attached

because there is no size that fits the lens.

¡Manual focusing is recommended for accurate

focusing.

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Specifications

Focal Length/Aperture 17 – 55 mm f/2.8

Lens Construction 12 groups, 19 elements
Minimum Aperture f/22
Angle of View Diagonal: 78° 30’ – 27° 50’ Vertical: 48° – 15° 40’

Horizontal: 68° 40’ – 23° 20’

Min. Focusing Distance 0.35 m/1.2 ft.
Max. Magnification 0.17 × (at 55 mm)
Field of View approx. 207 × 310 – 88 × 131 mm/8.1 × 12.2 – 3.5 × 5.2 inch
Filter Diameter 77 mm
Max. Diameter and Length 83.5 × 110.6 mm/3.3 × 4.4 inch
Weight 645 g/22.7 oz
Hood EW-83J (Sold separately)
Lens Cap E-77U/E-77 II
Case LP1219 (Sold separately)

¡Equivalent to 27-88 mm in the 35mm film format.

¡The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm to include the

E-77U lens cap and dust cap, and 24.2 mm for the E-77 II.

¡The size and weight listed are for the lens only, except as indicated.
¡The EF1.4X II/EF2X II extenders cannot be used with this lens.
¡Aperture settings are specified on the camera.
¡All data listed is measured according to Canon standards.
¡Product specifications and appearance are subject to change without notice.

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© CANON INC. 2006CT1-8502-010 0812Ni

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