Canon 0573C002, EF 16-35mm f/2.8L III USM User guide

Canon 0573C002, EF 16-35mm f/2.8L III USM User guide
EF16-35mm f/2.8L III USM
Thank you for purchasing a Canon product.
Canon’s EF16-35mm f/2.8L III USM is a
super-wide-angle zoom lens for use with
EOS cameras.
●● “USM” stands for Ultrasonic Motor.
Camera Firmware
●● When using this lens, please check the Canon website
for the latest camera firmware. If the camera’s firmware
is not the latest version, be sure to update to the latest
●● For details on updating firmware, please check the
Canon website.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
Safety Precautions
Precautions to ensure that the camera is used
safely. Read these precautions thoroughly. Make
sure all details are observed in order to prevent
risks and injury to the user and other people.
pertaining to risks that may
Warning Details
result in death or serious injury.
●● Do not look at the sun or a bright light source
through the lens or single-lens reflex 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.
Details pertaining to risks that may
result in injury.
●● Do not leave the camera in locations subject to
high or low temperatures. This may result in the
camera becoming excessively hot or cold, which may
cause burns or other injuries when touched.
●● Do not insert your fingers inside the camera.
Failure to observe this may result in injury.
Details pertaining to risks that may
result in damage to property.
●● Do not leave the lens in excessive heat such as in a
car in direct sunlight. High temperatures can cause the
lens to malfunction.
General Precautions
Handling Precautions
●● 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.
●● Please also read any lens related handling precautions
listed in your camera’s instruction manual.
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
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
CAN ICES-3 (B) / NMB-3 (B)
Focus mode switch (→ 7)
Distance scale (→ 8)
Hood mount (→ 9)
Zoom ring (→ 7)
Zoom position index (→ 7)
Rubber ring (→ 6)
Filter mounting thread
(→ 10)
Focusing ring (→ 7)
Contacts (→ 6)
Lens mount index (→ 6)
●● For detailed information, reference page numbers are provided in parentheses (→ **).
1. Mounting and Detaching the Lens
See your camera’s instructions for details on
mounting and detaching the lens.
The lens mount has a rubber ring for enhanced
dust- and water-resistance. The rubber ring may
cause slight abrasions around the camera’s lens
mount, but this will not cause any problems. If the
rubber ring becomes worn, it is replaceable by a
Canon Service Center at a cost.
●● 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.
●● Attach the lens cap and dust cap when
disconnecting the lens. When attaching the
dust cap, align the lens mount index with the 
index of the dust cap and rotate in a clockwise
direction as shown in the illustration. Follow the
reverse procedure to detach it.
2. Setting the Focus Mode
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.
3. Zooming
To zoom, turn the lens’ zoom ring.
Be sure to finish zooming before focusing. Zooming
after focusing can affect the focus.
After autofocusing in the AF mode or AF operation
in the ONE SHOT AF mode, focus manually by
pressing the shutter button halfway and turning the
focusing ring (Full-time manual focus).
4. Infinity Compensation Mark
Distance index
Infinity compensation mark
To compensate for shifting of the infinity focus
point that results from changes in temperature,
there is a margin at the infinity (∞) position.
The infinity position at normal temperature is the
point at which the vertical line of the distance
scale L mark is aligned with the distance index.
For accurate manual focusing of subjects at infinity,
look through the viewfinder or look at the magnified
image* on the LCD screen while rotating the
focusing ring.
* For cameras with Live View shooting capability.
5. Infrared Index
Infrared Index
The infrared index corrects the focus setting when
using monochrome infrared film. Focus on the subject
manually, then adjust the distance scale indicated by
the distance index by moving the focusing ring to the
corresponding infrared index mark before shooting.
Some EOS cameras cannot use infrared film. See
the instructions for your EOS camera.
●● The infrared index position is based on a
wavelength of 800 nm.
●● The compensation amount differs depending on
the focal length (large at the wide end, small at
the telephoto end). Use the 16 (mm) infrared
index position as a guide when setting the
compensation amount manually.
●● Be sure to observe the manufacturer’s
instructions when using infrared film.
●● Use a red filter when you take the picture.
6. Hood
The EW-88D hood cuts out unwanted light and protects the front of the lens from rain, snow, and dust.
Red dot
Stop position mark
Red dot
Attachment position mark
● Attaching
Align the red attachment position mark on the
hood with the red dot on the front of the lens,
and then rotate the hood in the direction of the
arrow until it is firmly attached with the red dot
and stop position mark on the hood aligned.
● Removing
Keep your finger pressed down on the button
located on the side of the hood, and then rotate
the hood in the direction of the arrow until the
attachment position mark on the hood is aligned
with the red dot on the front of the lens to detach
it. 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.
●● Grasp and rotate the base of the hood when attaching and detaching it. There are cases in which it may
become deformed if the hood is rotated with it grasped near to the rim.
7. F
(sold separately)
You can attach filters to the filter mounting
thread on the front of the lens.
●● Attach the Canon PROTECT filter (82 mm) to get
the best performance from the camera’s dustand water-resistance.
●● Only one filter may be attached.
●● If you need a polarizing filter, use the Canon
Circular Polarizing Filter PL-C B (82 mm).
●● Detach the hood when adjusting the polarizing
8. E
xtension Tubes
(sold separately)
You can attach extension tube EF12 II or EF25
II for magnified shots. The shooting distance and
magnification are shown below.
Focusing Distance
Magnification (×)
Range (mm)
distance distance distance distance
MF mode is recommended for accurate focusing.
Focal Length/Aperture
16-35mm f/2.8
Lens Construction
11 groups, 16 elements
Minimum Aperture
Angle of View
Diagonal: 108°10′ - 63°, Vertical: 74°10′ - 38 °, Horizontal: 98° - 54°
Min. Focusing Distance
0.28 m/0.92 ft.
Max. Magnification
0.25x (at 35 mm)
Field of View
Approx. 196 x 295 - 96 x 143 mm/7.72 x 11.61 - 3.78 x 5.63 inch (at 0.28 m/0.92 ft.)
Filter Diameter
82 mm
Max. Diameter and Length 88.5 x 127.5 mm/3.48 x 5.02 inch
Approx. 790 g/27.9 oz
Lens Cap
E-82 II
●● The lens length is measured from the mount surface to the front end of the lens. Add 24.0 mm when
including the lens cap and dust cap.
●● The size and weight listed are for the lens only, except as indicated.
●● Extenders cannot be used with this lens. In addition, there are no close-up lenses designed for use
with this lens.
●● Aperture settings are specified on the camera. The camera automatically compensates for variations
in the aperture setting when the camera is zoomed in or out.
●● All data listed is measured according to Canon standards.
●● Product specifications and appearance are subject to change without notice.
Only for European Union and EEA (Norway, Iceland and Liechtenstein)
This symbol indicates that this product is not to be disposed of with your household waste, according to the
WEEE Directive (2012/19/EU) and national legislation. This product should be handed over to a designated
collection point, e.g., on an authorized one-for-one basis when you buy a new similar product or to an
authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of
this type of waste could have a possible negative impact on the environment and human health due to
potentially hazardous substances that are generally associated with EEE. At the same time, your
cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more
information about where you can drop off your waste equipment for recycling, please contact your local city office, waste
authority, approved WEEE scheme or your household waste disposal service. For more information regarding return and
recycling of WEEE products, please visit
© CANON INC. 2016
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