EF70-300mm f/4-5.6L IS USM
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Instruction
a 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
againharmful interference in a residential installation. This
ipmnt generates, uses and can radiate radio frequency
eergy 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:
a 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.
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.
• 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
Zoom ring (→ 5)
Focusing ring (→ 5)
Tripod mounting location (→ 12)
Distance scale (→ 11)
Hood mount (→ 6)
Zoom ring lock
lever (→ 7)
Filter mounting
thread (→ 13)
Contacts (→ 4)
Focus mode switch (→ 5)
Rubber ring (→ 4)
Image stabilizer switch (→ 8)
Image stabilizer mode selector switch (→ 8)
Lens mount index (→ 4)
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
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.
• 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.
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2. Setting the Focus
Mode
3. Zooming
To zoom, turn the zoom 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. The focusing ring always works,
regardless of the focus mode.
Be sure to finish zooming before focusing.
Zooming after focusing can affect the focus.
Especially for shooting distances shorter than 3 m
/ 9.8 ft., zooming to another focal length will
greatly change the focus.
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. Hood
The ET-73B hood can keep unwanted light out of the lens, and also protects the lens from rain,
snow, and dust.
To attach the hood, align the hood’s attachment poson mark with the red dot on the front of the
lens, then turn the hood as shown by the arrow il 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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5. 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.
Turn the zm ing to the
widest pon (70mm).
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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6. Image Stabilizer Settings
You can use the image stabilizer in AF or MF mode.
Set the STABILIZER switch
to
Select the stabilizemode.
When you press the shutter
button halfway, the Image
Stabilizer will start
.
• MODE 1rrects vibrations
in adirecs. It is mainly
effecive for shooting still
subjects.
• MODE 2: 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.
• If you are not going to use the
image stabilizer function, set
operating.
the switch to
.
• Make sure the image in the
viewfinder is stable, then press
the shutter button the rest of
the way down to take the
picture.
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7. Tips on Using the Image Stabilizer
The image stabilizer in this lens is effective for hand-held shots under the following conditions.
● MODE 1
● MODE 2
• In semi-darkened areas such as indoors or
outdoors at night.
• When panning subjects in motion.
• In locations where flash photography is
prohibited, such as art museums and theater
stages.
• In situations where your footing is uncertain.
• In situations where fast shutter settings cannot
be used.
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Tips on Using the Image Stabilizer
• The Image Stabilizer cannot compensate for a
blurred shot caused by a subject that moved.
• Using a tripod also stabilizes the image.
However, depending on the kind of tripod and
shooting conditions, sometimes it may be better
to turn off the Image Stabilizer function.
• 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 ll or EF25 ll.
• Pictures may look distorted after being taken
depending on the camera, but this doesn't affect
shooting.
•
Set the STABILIZER switch to
when you are
taking pictures using the Bulb setting (long
exposures). If the STABILIZER switch is set to
the image stabilizer function may introduce errors.
• The Image Stabilizer might not be fully effective
in the following cases:
• You shoot while riding on a bumpy road.
• You move the camera dramatically for a
panning shot in Mode 1.
• You shoot using techniques other than
following shots in Mode 2.
,
• The Image Stabilizer consumes more powr
than normal shooting, so fewer shots can be
taken if you use the function.
• 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 operates for about two
seconds even when your finger is off the shutter
button. Do not remove the lens while the stabilizer
is in operation. This will cause a malfunction
• With the EOS-1V/HS, 3, ELAN 7E/ELAN
.
7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN
II/ELAN IIE/50/50E, REBEL 2000/300, IX, and
D30, the Image Stabilizer will not work during
self-timer operation.
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8. Infinity Compensation Mark
9. Infrared Index
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.
The infrared index corrects the focus setting when using
monohrome infrared film. Focus on the subject
nually, then adjust the distance setting by moving the
focusing ring to the corresponding infrared index mark.
Some EOS cameras cannot use infrared film. See
the instructions for your EOS camera.
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.
• 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.
* For cameras with Live View shooting capability.
• Be sure to observe the manufacturer’s
instructions when using infrared film.
• Use a red filter when you take the picture.
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10. Using the Tripod Mount
(Sold separately)
Adjusting the Revolving Mount
This lens can be used with the C (W II) tripod mount ring, sold separately.
You can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a
particular camera model for switching between vertical and horizontal positions.
Detaching
Use the following procedures to remove and attach the tripod mount.
Turn the locking knob
counterclockwise until it
becomes loose (about 3 turns),
and pull the knob in the direction
of the arrow to release the collar.
With the collar open,
remove the tripod mount.
To install, while pulling the
locking knob, bring the collar
to the original position, and
tighten the locking knob
securely.
Depending on the EOS camera model, if a battery pack or vertical grip is attached, the tripod mount may
bump into it. If that is the case, remove the battery pack/vertical grip or the tripod mount.
The tripod collar can be attached to or detached from the lens while the lens is attached to the camera.
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11. Filters
You can attach filters to the filter mounting thread
on the front of the lens.
(Sold separately)
12. Extension Tubes
(Sold separately)
You can attach Extension Tube EF12 II or EF25
II for magnified shots. The shooting distance and
magnification are shown below.
• If you need a polarizing filter, use the Canon
Circular Polarizing Filter (67mm).
• To adjust the polarizing filter, first remove the
lens hood.
Camera-to-Subject
Magnification
Distance (mm)
Near
469
Far
627
Near
0.25×
0.29×
0.47×
0.38×
Far
70mm
0.17×
0.04×
0.38×
0.09×
EF12 ll
F25 ll
300mm 1011
7584
410
70mm
357
887
300mm
3842
Manual focusing is recommended for accurate
focusing.
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Specifications
Focal Length/Aperture
Lens Construction
Minimum Aperture
Angle of View
Min. Focusing Distance
Max. Magnification
Field of View
70-300 mm f/4-5.6
14 groups, 19 elements
f/32-45
Diagonal: 34° - 8° 15’ Vertical: 19° 30’ - 4° 35’ Horizontal: 29° - 6° 50’
1.2 m / 3.9 ft.
0.21× (at 300 mm)
364 × 545 - 113 × 169 mm / 14.3 × 21.5 - 4.4 × 6.7 in. (at 1.2 m)
Filter Diameter
Max. Diameter and Length
Weight
67 mm / 2.6 in.
89 × 143 mm / 3.5 × 5.6 .
approx. 1050 g / 37
Hood
ET-73B
Lens Cap
E-67U
Case
LP1424
Tripod Collar
Ring-type tripod mounting socket C (W II) (Sold separately)
• 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 III/EF1.4X II/EF2X III/EF2X II extenders cannot be used with this lens. There are no compatible
close-up lenses.
• 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.
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© CANON INC. 2010
CT1-8568-001
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