EF24-70mm f/2.8L II USM
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Instructions
Safety Precautions
Handling Cautions
Safety 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.
●● 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 espechazardous.
●● Whether it is ached to the camera or not, do not
leave tns der the sun without the lens cap
atached. o prevent the lens from concentrating
n’s rays, ch could cause a fire.
●● Do not leave the lens in excessive heat such as in a car
in direct sunlight. High temperatures can cause the
lens to malfunction.
Centions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
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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 Class B digital apparatus complies with Canadian ICES-
003.
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,
can radiate radio frequency energy and, if not ins
used in accordance with the instructions, may ca
interference to radio communications
However, there is no guarantee thnterfeence w
occur in a particular installation. If s equipment do
cause harmful interference to raditelevision recepti
which can be determined by turning e equipmoff and
on, the user is encouraged to try to cect the irference
by one or more of the following measur
• 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.
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Nomenclature
Focus mode switch (→ 6)
Distance scale (→ 8)
Hood mount (→ 9)
Zoom rig (→ 6)
Rubber ring
(→ 5)
Filter Mounting Thread
(→ 10)
Contacts
(→ 5)
Focusing ring (→ 6)
Zoom ring lock lever
(→ 7)
Lens mount 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.
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 beomes worn, it is replaceable by a
Canon ServicCenter at cost.
●●After detaching the lens, place the lens with
the rear end up to prevent the lens surfa
contacts from getting scratched.
●●If the contacts get soiled, scratched, or
fingerprints on them, corron oulty
connections can result. Tcamera and l
may not operate properly.
●●If the contacts get soiled oave fingents on
them, clean them with a soft th.
●●If you remove the lens, cover it 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.
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2. Setting the Focus Mode 3. Zooming
To shoot in autofocus (AF) mode, set the focus
mode switch to AF.
To shoot in manual focus (MF) mode, set
focus mode switch to MF, and focus by
the focusing ring.
, rotate e zoom ring.
e to finish zooming before focusing. Zooming
r focusing can affect the focus.
The focusing ring always worardl
the focus mode.
After autofocusing in ONE SHT AF modfocus
manually by pressing the shuttbutton hway
and turning the focusing ring. (Fue nual
focus)
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4. Fixing the Zoom Ring
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.
1
Rom g to the
w(24 m).
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.
The zoom ring can only be locked at maximum wide angle.
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5. Infinity Compensation
Mark
Infinity compensation mark
Distance index
To compensate for shifting of the infinity focus
point that results from changes in tempe
The infinity position at normal temperat
point at which the vertical line of he dis
scale L mark is aligned with e distance
For accurate focusing in MF subjects anfinity
distance, look through the viewder whiotating
the focusing ring.
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6. Hood
The EW-88C hood cuts out unwanted light and protects the front of the lens from rain, snow, and
dust.
Button
●Attaching
●Reving
To attach the hood, align the oodatta
position mark with the red don the front
lens, then turn the hood as own by the arrow
until the lens’ red dot is alignwith thood’s
stop position mark.
o remove the hood, hold down the button on
he side and turn the hood in the direction of the
arrow until the position mark on the hood aligns
with the red dot. 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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7. Filters
(sold separately)
8. Extension Tubes
(Sold Separately)
You can attach filters to the filter mounting
thread on the front of the lens.
You can attach extension tube EF12 II or EF25
II for magnified shots. The shooting distance
and magnificatin are shown below.
●●Only one filter may be attached.
●●If you need a polarizing filter, use the Canon
Circular Polarizing Filter PL-C B (82 mm).
●●To adjust the polarizing filter, first remove the
lens hood.
Focg Distance Range (mm)
Magnification (×)
tance Long distance Close distance Long distance
4mm
mm
mm
70mm
25
190
523
0.63
0.45
0.50
0.18
E
Incompatible
229
331
0.74
0.41
MF ode is recommended for accurate focusing.
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Specifications
Focal Length/Aperture
Lens Construction
Minimum Aperture
24-70mm f/2.8
13 groups, 18 elements
f/22
Diagonal: 84° – 34°
Vertical: 53° – 19° 30′
Horizontal: 74° – 29°
Angle of View
Min. Focusing Distance
Max. Magnification
Field of View
0.38 m/1.25 ft.
0.21x (at 70 mm/2.76 inch)
369 x 554
–
134 x 202 m.81
–
5.x 7.95 inch (at 0.38 m/1.25 ft.)
Filter Diameter
82 mm/3.23 inch
Max. Diameter and Length 88.5 x 113.0 m4.45
Weight
Hood
Approx. 805
EW-88C
Lens Cap
Case
2U/82 II
1219
●● The lens length is measurfrom thmount surface to the front end of the lens.
Add 21.5 mm to include the 82U ls cap and dust cap, and 24 mm for the E-82 II.
●● The size and weight listed are foe 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.
●● All data listed is measured according to Canon standards.
●● Product specifications and appearance are subject to change without notice.
ENG-11
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0812Ni © CANON INC. 2012
CT1-8579-003
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