Canon EF 16-35mm f/2.8L II USM User manual

The Canon EF16-35mm f/2.8L II USMlensis a
high-performance,ultra-wide-angle zoom lensfor
use with Canon EOS cameras.
"USM" stands for Ultrasonic Motor.
Conventions used in this instruction
•••Warning to prevent lens or camera malfunction
"or damage.
r=¥l Supplementary notes on using the lens and
LIJ taking pictures.
Features
1. Aspherical and UD lens elements result in
outstanding image delineation.
2.Ultrasonic motor (USM) for quick and quiet
autofocusing.
3.Manualfocusing is available afterthe subject
comes into focus in autofocus mode (ONE
SHOT AF).
4. A trulyround aperture hole results in a nicer
background blur.
5. Tight sealstructure ensures excellent dust-
proof and drip-proof performance.
• Since the front element of thislens moves when
zooming, youneed to attacha Canon PROTECT
filter sold separatelyfor adequate dust-and
water-resistant performance.Without a filter, the
lens is not dust or water resistant.
fety Precautions
& SafetyPrecautions
•Donotlook at the sun or a bright lightsource
through the lens orcamera.Doing socouldresult
in loss of vision. Lookingat the sun directlythrough
the lensis especiallyhazardous.
•Whetherit is attached to the camera or not, do
not leave the lens under the sun without the
lens cap attached.Thisistoprevent the lensfrom
concentratingthe sun'srays, whichcould cause a
fire.
Handling Cautions
• If the lens is taken from a cold environment into
a warmone, condensation may developon the
lens surface and internalparts. Toprevent
condensationin this case, first put thelensinto an
airtight plastic bag before takingit from a cold to
warm environment. Then take out the lens after it
has warmed gradually. Do the same whentaking
thelens from awarm environment into a cold one.
•Do not leavethe lensinexcessiveheatsuch as in
acar indirect sunlight.High temperatures can
cause the lens to malfunction.
This device complies with Part 15 of the FCC Rules. Operation is
subjectto the following two conditions: (1) This device may not
cause harmfulinterference, and (2) this device must accept any
interference received,including interference that may cause
undesired operation.
Do notmake 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 digitaldevice,pursuant to part 15 of the FCC
Rules.These limits are designed to provide reasonable protection
against harmful interference in a residentialinstallation. This
equipment generates, uses and can radiate radio frequency
energy and, jf 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 occurin
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 ormore of
the following measures:
• Reorientor relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
• Consultthe dealer or an experienced radiofTV technician for
help.
This Class B digitalapparatus complies with CanadianICES-003.

1-------
Filtermounting
thread (---> 7)
See your camera'sinstructionsfor instructions on
mounting and detaching the lens.
1.Mounting and Detaching the Lens
u
• After detaching thelens,place thelens with the
rearend up toprevent thelenssurface and
electricalcontactsfromgetting scratched.
• If the contactsgetsoiled,scratched,orhave
fingerprintson them,corrosion or faulty
connectionscanresult.Thecamera and lens
may notoperateproperly.
• If the contacts getsoiled or have fingerprints on
them,clean them witha soft cloth.
• If you removethelens, cover it withthedust
cap.To attach it properly,align the lens mount
index and the 0 indexofthe dust cap as shown
in the diagram,and turn clockwise. Toremove it,
reverse the order.
Thelensmount has a rubber ring forenhanced
water- and dust-resistance. The rubber ring may
cause slight abrasions aroundthecamera's lens
mount,but thiswill notcause anyproblems.Ifthe
rubber ring becomes worn,itisreplaceableby a
Canon ServiceCenterat cost.

2. Setting the Focus
Mode
To shoot inautofocus(AF)mode, set thefocus
mode switch to AF.
To use onlymanual focusing (MF), set thefocus
mode switch to MF,and focusbyturningthe
focusingring. The focusingring alwaysworks,
regardless of thefocusmode.
l]]After autofocusing inONESHOTAFmode,focus
manually by pressingthe shutter button halfway
andturning the focusingring. (Full-time manual
focus)
4. Infinity Com~ensation Mark
To compensatefor shifting ofthe infinity focus
point that resultsfromchanges in temperature.
Theinfinityposition at normal temperature isthe
point atwhich the vertical lineof the Lmark is
aligned with the distance indicatoron the
distance scale.
o Be sure to finishzooming beforefocusing.
Changing the zoom ring after focusing canaffect
the focus.
o Foraccuratemanualfocusing onsubjects at
infinity distance,look through the viewfinder while
rotating the focusing ring.
( 1.5
0.5
L..~~
•..
16
Theinfrared index correctsthefocus setting when using
monochromeinfrared film.Focus on the subject
manually,thenadjust the distance settingbymovingthe
focusing ring tothe correspondinginfrared index mark.
o Some EOS cameras cannotuse infrared film.See
the instructions foryour EOS camera.
l]] •The infrared index position isbased ona
wavelength of 800 nm.
• The compensation amount differs depending on
thefocallength.Use the indicated focal length
as a guide whensettingthe compensation
amount.
• Be sureto observethemanufacturer's
instructions when usinginfrared film.
•Use a red filteralso whenyou take the picture.

TheEW-88 hood can keep unwanted light out of
thelens, and also protectsthefront of thelens
from rain,snow,and dust.
To attachthehood,align thehood's attachment
position markwith thered dot on thefrontof the
lens,then turn thehoodas shown bythe arrow
until the lens' red dotis aligned with thehood's
stop position mark.
Thehood can bereverse-mounted on thelens
for storage.
U . Partof the picturemay be blocked if thehood is
not attachedproperly.
• Whenattachingor detaching thehood,grasp
the base ofthehood to turn it.To prevent
deformation,do not grasp the rim ofthehood to
turnit.
You canattach filterstothefilter mounting thread
on the front of thelens.
U. To ensure dust- and water-resistant
performance,attacha Canon PROTECTfilter
(82mm) .
•Only one filtermay be attached.
•If you needa polarizing filter,use the Canon
Circular Polarizing Filter (82mm).
8. Extension Tubes
Sold separately)
You canattach Extension Tube EF12 II or EF25
II for magnified shots. The shootingdistance and
magnification are shown below.
Far
EF12II 16mm
35mm 2020.36x
EF25 II 16mm
35mm 195 0.8ox
aJ Manual focusing is recommended foraccurate
focusing.

Focal Length/Aperture 16 -35 mm 1/2.8
Lens Construction 12 groups, 16 elements
Minimum Aperture 1/22
Angle of View Diagonal: 108°10'- 63°Vertical: 74
0
10' - 38°Horizontal: 98°- 54°
Min. Focusing Distance 0.28 m /09 ft
Max. Magnification and 0.22x(at 35 mm),
Field of View 231x358 mm -109 x162mm /9.1 x14.1 inch - 4.3x6.4inch (at0.28 m)
Filter Diameter 82 mm
Max. Diameter and Length 88.5x1116 mm 35 x4.4 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
2500 5000 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 withoutnotice.

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