Canon lens EFS 18135mm f3556 IS STM User Manual

							EF-S18-135mm f/3.5-5.6 IS STM
Instructions
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Thank you for purchasing a Canon product.
The Canon EF-S18-135mm f/3.5-5.6 IS 
STM lens is a high-performance high-
magnification zoom lens equipped with an 
Image Stabilizer, and has been developed for 
digital SLRs compatible with EF-S lenses*.
●●"IS" stands for Image Stabilizer.
●● "STM" stands for stepping motor.
Features
1. The Image Stabilizer gives the equivalent effect 
of a shutter speed four stops faster*1.
This function provides optimal image stabilization 
depending on shooting conditions (such as 
shooting still subjects and following shots).
* 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
2. Aspherical  and UD lens elements result in 
outstanding image delineation.
3.
 
Electronic 
 manual focusing made possible 
by electronically detecting the rotation of the 
focusing ring.
4.
 
Manua
 l focusing is available after the subject 
comes into focus in autofocus mode (ONE 
SHOT AF).
5.
 
Circula
 r aperture for producing beautiful 
softfocus images.
6.
 
Improved 
 Movie Shooting Functions
• The EF-S18-135mm f/3.5-5.6 IS STM is equipped with dynamic IS, effective when 
shooting while walking since it expands the IS 
range.
•
 
Stepping
  motor achieves quiet, smooth Movie 
Servo AF. 
*2
*1: 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 x1.6)] 
second).
*2:
 
Function 
 compatible with the following camera (as 
of August 2012): 
 EOS 

REBEL T4i/650D
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 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.
Conventions used in this instruction
 Warning to prevent lens or camera malfunction 
or damage.
 Supplementary  notes on using the lens and 
taking pictures.
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.
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 Safety Precautions
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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Shooting Precautions
The EF-S18-135mm f/3.5-5.6 IS STM utilizes a stepping motor that drives the focus lens. The motor 
also controls the focus lens during zooming.
1. When the camera is OFF
The motor does not operate while the camera is OFF or when the camera is OFF due to the use of the auto power 
off function. Therefore, users must be aware of the following points.●●Manual focus adjustments are not possible.
●● During zooming, delayed focus will occur.
2. When the lens is in sleep modeIf not operated for a certain period of time, this lens will enter sleep mode in order to save power. Sleep mode 
differs from when the camera is OFF due to the use of the auto power off function. In this state, the motor will not 
operate even if the camera is ON. Therefore, users must be aware of the following points.
●●Manual focus adjustments are not possible.
●● During zooming, delayed focus will occur.
●● To exit sleep mode, press the shutter button halfway.
3. During initial resetWhen the camera is ON or when the camera is turned ON by pressing the shutter button halfway down when the 
camera is OFF due to the use of the auto power off function*1, the lens performs an initial reset of the focus lens.
●●Although the image in the viewfinder will appear out of focus during the initial reset, this does not mean that the 
lens has malfunctioned.
●● Although the shutter can be released during the initial reset, users must wait approximately 1 second*2 after the 
initial reset has completed before shooting.
*1:
 
Applica
 ble to the following EF-S lens compatible digital SLR cameras: 
EOS 7D, EOS 60D, EOS 50D, EOS 40D, EOS 30D, EOS 20D, EOS 20Da, 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
*2: The initial reset time varies depending on camera being used.
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Focus mode switch \7( 6)
Hood mount ( 7)
\fens mount index ( 6)
Ima\be stabilizer swi\7tch  ( 9)
Contacts ( 6)
Zoom rin\b ( 7)
Filter Mountin\b Thre\7ad
( 11)
Focusin\b rin\b ( 6) Zoom rin\b lock leve\7r ( 8)
Zoom position inde\7x ( 7)
●●
For detailed information, reference page numbers are provided in parentheses ( → **).
Nomenclature
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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 as shown 
in the diagram, and turn clockwise. To remove it, 
reverse the order.
Mounting and 
Detaching the Lens1Setting the Focus 
Mode2
After autofocusing in ONE SHOT AF mode, focus 
manually by pressing the shutter button halfway 
and turning the focusing ring.
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.
●● Quickly rotating the focusing ring may result in 
delayed focus.
●● Manual focus adjustments are not possible when 
the camera is OFF.
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Hood (sold separately)3Zooming4
To zoom, turn the lens’ zoom ring.
●●Be sure to finish zooming before focusing. 
Zooming after focusing can affect the focus. 
●● Blurring may temporarily occur if the zoom ring is 
quickly rotated.
●● Zooming when the camera is OFF will result in 
delayed focus.
●● Zooming during still image exposure will result in 
delayed focus. This causes any streaks of light 
that are captured during exposure to be blurred.
The EW-73B hood cuts out unwanted light and 
protects the front of 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.
●●If the hood is not attached properly, vignetting 
(darkening of the perimeter of the picture) may 
occur.
 ●● 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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Fixing the Zoom Ring5
The zoom ring can be fixed to keep the lens at the shortest point. This function is convenient for
carrying a camera on a strap because it prevents the lens from extending. 
2 Slide the zoom ring lock lever in the direction 
indicated by the arrow.
●● To release the zoom ring, 
slide the zoom ring lock lever 
in the direction opposite to 
the arrow.
1 Rotate the zoom ring to the 
widest position (18 mm).
The zoom ring can only be locked at maximum wide angle.
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You can use the image stabilizer in AF or MF 
mode.
This function provides optimal image stabilization 
depending on shooting conditions (such as 
shooting still subjects and following shots).
1 Set the STABILIZER switch to ON.
●●
If you are not going to use the image stabilizer 
function, set the switch to OFF. 
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.
Image Stabilizer6
●●When shooting a still subject, it compensates for 
camera shake in all directions.
●● It compensates for vertical camera shake during 
following shots in a horizontal direction, and 
compensates for horizontal camera shake during 
following shots in a vertical direction.
●● When you use a tripod, the Image Stabilizer 
should be turned off to save battery power.
●● Even with a monopod, the Image Stabilizer will 
be as effective as during hand-held shooting. 
However, depending on the shooting environment, 
the Image Stabilizer effect may be less effective.
●● The image stabilizer function also operates when the 
lens is used with an Extension Tube EF12 II or EF25 II.
●●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.
●● The Image Stabilizer may not be fully effective 
if you shoot from a violently shaking vehicle or 
other transportation.
●● The Image Stabilizer consumes more power 
than normal shooting, so fewer shots can be 
taken if you use the function.
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