Canon EF-16 Manuale utente
EF16-35mm f/2.8L II USM
Instruction
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Features
1. Aspherical and UD lens elements result in
outstanding image delineation.
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.
5. Tight seal structure ensures excellent dust-
proof and drip-proof performance.
•Since the front element of this lens moves when
zooming, you need to attach a Canon PROTECT
filter sold separately for adequate dust-and
water-resistant performance. Without a filter, the
lens is not dust or water resistant.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
Thank you for purchasing a Canon product.
The Canon EF16-35mm f/2.8L II USM lens is a
high-performance, ultra-wide-angle zoom lens for
use with Canon EOS cameras.
"USM" stands for Ultrasonic Motor.
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aSafety Precautions
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 (→6)
Focus mode switch (→5)
Lens mount index (→4)
Contacts (→4)
Hood mount (→7)
Zoom ring (→5)
Filter mounting
thread (→7)
Focusing ring (→5)
For detailed information, reference page numbers are provided in parentheses (→**).
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See your camera’s instructions for instructions 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
K
index of the dust cap as shown
in the diagram, and turn clockwise. To remove it,
reverse the order.
1. Mounting and Detaching the Lens
The lens mount has a rubber ring for enhanced
water- and dust-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 cost.
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3. Zooming
To zoom, turn the zoom ring.
Be sure to finish zooming before focusing.
Changing the zoom ring after focusing can affect
the 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.
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)
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4.
Infinity Compensation Mark
Infinity compensation mark
Distance index
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.
The infrared index corrects the focus setting when using
monochrome infrared film. Focus on the subject
manually, then adjust the distance setting by moving the
focusing ring to the corresponding infrared index mark.
•The infrared index position is based on a
wavelength of 800 nm.
•The compensation amount differs depending on
the focal length. Use the indicated focal length
as a guide when setting the compensation
amount.
•Be sure to observe the manufacturer’s
instructions when using infrared film.
•Use a red filter also when you take the picture.
5. Infrared Index
Some EOS cameras cannot use infrared film. See
the instructions for your EOS camera.
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You can attach filters to the filter mounting thread
on the front of the lens.
7. Filters (Sold separately)
•To ensure dust- and water-resistant
performance, attach a Canon PROTECT filter
(82mm).
•Only one filter may be attached.
•If you need a polarizing filter, use the Canon
Circular Polarizing Filter (82mm).
6. Hood
The EW-88 hood can keep unwanted light out of
the lens, and also 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.
•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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Camera-to-Subject
Magnification
Distance (mm)
Near Far Near Far
EF12 ll 16mm Incompatible
35mm 202 248 0.62×0.36×
EF25 ll 16mm Incompatible
35mm 195 211 1.11×0.80×
You can attach Extension Tube EF12 II or EF25
II for magnified shots. The shooting distance and
magnification are shown below.
8. Extension Tubes
(Sold separately)
Manual focusing is recommended for accurate
focusing.
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Specifications
Focal Length/Aperture 16 – 35 mm f/2.8
Lens Construction 12 groups, 16 elements
Minimum Aperture f/22
Angle of View Diagonal: 108° 10’ – 63° Vertical: 74° 10’ – 38° Horizontal: 98° – 54°
Min. Focusing Distance 0.28 m / 0.9 ft.
Max. Magnification and 0.22×(at 35 mm),
Field of View 231 ×358 mm – 109 ×162 mm / 9.1 ×14.1 inch – 4.3 ×6.4 inch (at 0.28 m)
Filter Diameter 82 mm
Max. Diameter and Length 88.5 ×111.6 mm / 3.5 ×4.4 inch
Weight 635 g / 22.4 oz
Hood EW-88
Lens Cap E-82U
Case LP1319
•The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm when including the
lens cap and dust cap.
•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. In addition, there is no size available among
250D/500D close-up lenses.
•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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Questo manuale è adatto per i seguenti modelli
2
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