EF100mm f/2.8 MACRO USM
ENG
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
Hood and Macro Ring Lite mount (→ 5, 11)
Focus mode switch (→ 4)
Distance scale (→ 8)
Tripod mounting location (→ 8)
Filter mounting thread
(→ 10)
Contacts (→ 4)
Lens mount index (→ 4)
Focusing ring (→ 4)
Tripod mount adapter groove (→ 8)
Focusing distance range selection switch (→ 5)
For detailed information, reference page numbers are provided in parentheses (→ **).
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1. Mounting and
2. Setting the Focus
Mode
Detaching the Lens
See your camera’s instructions for details on
mounting and detaching the lens.
To shoot in autofocus (AF) mode, set the focus
ode 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.
• 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
After autofocusing in ONE SHOT AF mode, focus
manually by pressing the shutter button halfway
and turning the focusing ring. (Full-time manual
focus)
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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3. Switching the Focusing 4. Hood (Sold Separately)
Distance Range
You can set the focusing distance range to
The ET-67 hood can keep unwanted light out of
0.31 m/1.0 ft. to infinity or 0.48 m/1.6 ft. to infinity. te lens, and also protects the front of the lens
By setting the suitable focusing distance range,
the actual autofocusing time can be shorter.
from rain, snow, and dust.
Attach and align the hood to the hood mount on
the front of the lens, and turn the hood as shown
by the arrow to secure it.
The hood can be reverse-mounted on the lens
for storage.
If you autofocus outside the set focusing distance
range, the lens may stop focusing at the start of
the focusing range; however, this is not a
malfunction. Press the shutter release button
halfway again.
• 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.
• Remove the hood when using the macro flash.
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5. Picture Taking
3. Focus the subject.
Normal Photography
The lens can be used as a medium-telephoto
lens for normal photography such as portraits.
While looking through the viewfinder, move the
camera forward or back to find the point of
focus.
Closeup Photography
4. Touch up the focus.
Turn the focusing ring for fine focusing.
Close-up photos up to 1x (life-size) magnification
are possible. The minimum focusing distance of
31 cm is the distance from the subject to the
focal plane. The working distance from the front
of the lens to the subject is about 15 cm.
When focusing, you can give priority to framing
or to magnification.
Since macro shots have a very shallow depth of
field, focus carefully to obtain proper sharpness.
• The magnification refers to the ratio between the
subject’s size and the corresponding image size
on the focal plane. On the distance index, it is
indicated as 1:x.
• To prevent camera shake, using a Remote
Switch (both sold separately) and tripod is
recommended.
[Framing Priority]
While looking through the viewfinder and framing
the subject, focus with the AF or MF mode.
• To check the depth of field, press the camera's
depth-of-field preview button.
[Magnification Priority]
1. Set the lens' focus mode switch to MF.
2. Set the magnification.
While referring to the magnification scale on
the lens, turn the focusing ring to the desired
magnification.
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6. About Exposure
When you use a handheld exposure meter to set
the exposure, you must take into account the
exposure factor shown in the following table.
Setting the Exposure
When taking photographs using TTL metering,
no exposure compensation is necessary to meter
the light coming through the lens.
With TTL metering, AE (autoexposure) is
possible at all focusing distances. Just set the
desired picture-taking mode, then check the
shutter speed and aperture before taking the
picture.
Magnification
Effective f/No.
Exposure Factor
(stops)*
1 : 5 1 : 3 1 : 2 1 : 1.5 1 : 1
3.6
4.1
+1
+1
4.6
5.0
5.9
+2
+2
2
3
+
+1 13 +1 23
+1 12
1
2
+
* Upper values: 1/3 stops. Lower values: 1/2 stops.
Magnification and Effective f-
number
• The correct exposure for a close-up shot largely
depends on the subject. Therefore, try to bracket
the exposure for the same subject.
• Using aperture-priority AE (Av) or Manual (M)
picture-taking modes are recommended for
macro photography as it is easy to adjust depth
of field and exposure in these modes.
The aperture displayed by the camera assumes
that the focus is set to infinity. The actual
aperture (effective f-number) becomes darker
(effective f-number increases) at closer focusing
distances (magnification increases). This does
not cause exposure problems for normal picture-
taking. However, for closeup photography, you
cannot ignore the change in the effective f-
number.
If your eye will not be covering the eyepiece when
the picture is taken (with remote control operation,
etc.), use the eyepiece shutter or eyepiece cover.
This prevents stray light from entering the
eyepiece and throwing off the proper exposure.
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7. Infinity Compensation
Mark
8. Using the Tripod
Mount
(Sold separately)
Infinity compensation mark
To mount the lens on a tripod, Tripod mount ring B
(B) and the tripod mount adapter (sold separately) for
the EF100mm f/2.8 Macro USM will be necessary.
Tripod mount adapter
Tripod mount ring B (B)
Mounting index
Attachment
index
Distance index
Tripod mount
attachment
lugs
To compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal temperature is th
point at which the vertical line of the L mark is
aligned with the distance indicator on the
distance scale.
Locking
tab
Tripod mount
base
Mounting lugs
• When switching to vertical shooting, rotate the
camera so that the grip is at the top. Rotating
the camera in the opposite direction will have
the grip bump into the tripod mount.
For accurate manual focusing on subjects at
infinity distance, look through the viewfinder while
rotating the focusing ring.
• Before attaching or detaching the lens, set the
tripod mount back to its normal position
(horizontal shooting position). Otherwise, the
tripod mount may bump into the camera grip or
pentaprism and prevent the lens from being
attached to or detached from the camera.
• If the EOS camera has a built-in flash, the
pentaprism may prevent the tripod mount from
being rotated to the top of the lens.
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Using the Tripod Mount (Sold separately)
Attaching and Detaching the Tripod Mount
To attach the tripod mount, follow the illustrated procedure below. To remove the tripod mount, follow
the procedure in reverse.
Align the tripod mount
Loosen thpod mount’s
lock knob. Align the lens
mount index and the tripod
mount’s index, and slip on
the tripod mount.
Rotate the tripod mount to
the desired position and
tighten the lock knob.
• 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
adapter's index
with the
lens mount index. Push in
the adapter onto the back of
the lens.
• The tripod mount adapter's
inner lugs should slide into the
grooves on the lens barrel.
The adapter should not be
able to rotate around the lens
barrel.
positions.
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.
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9. Filters
(Sold Separately)
10. Extension Tubes
(Sold Separately)
You can attach filters to the filter mounting thread You can attach Extension Tube EF12 II or EF25
on the front of the lens.
II for magnified shots. The shooting distance and
magnification are shown below.
• Filters and the macro flash cannot be used on
this lens at the same time.
• If you need a polarizing filter, use the Canon
Circular Polarizing Filter (58mm).
• To adjust the polarizing filter, first remove the
lens hood.
Camera-to-Subject
Magnification
Distance (mm)
Near
314
319
Far
1002
606
Near
1.19×
1.39×
Far
EF12 II
EF25 II
0.12×
0.26×
anual focusing is recommended for accurate
focusing.
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11. Close-up Lenses
(Sold Separately)
12. Macro Flash
(Sold Separately)
Attaching a 250D or 500D (58mm) Close-up
Lens enables close-up photography.
The magnification will be as follows.
• Close-up Lens 250D: 1.44x - 0.40x
• Close-up Lens 500D: 1.28x - 0.20x
The Canon Macro Ring Lite MR-14EX or the
Macro Twin Lite MT-24EX enables fully automatic
macro flash photography up to 1x magnification
in E-TTL autoflash mode.
• For information on operating the Canon Macro
Ring Lite MR-14EX or the Macro Twin Lite MT-
24EX, refer to the individual instruction booklets.
• Using aperture-priority AE (Av) or Manual (M)
picture-taking modes are recommended for
macro photography as it is easy to adjust depth
of field and exposure in these modes.
Manual focusing is recommended for accurate
focusing.
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Specifications
Focal Length/Aperture
Lens Construction
Minimum Aperture
Angle of View
100 mm f/2.8
8 groups, 12 elements
f/32
Diagonal: 24°
0.31 m/1.0 ft.
1 ×
Vertical: 14°
Horizontal: 20°
Min. Focusing Distance
Max. Magnification
Field of View
24 × 36 mm/0.9 × 1.4 in. (at 0.31 m)
Filter Diameter
58 mm
Max. Diameter and Length
Weight
78.6 × 118.6 m/31 × 4.7 in.
580 g/20oz
Hood (Sold Separately)
Lens Cap
ET-67
E-58U
Case (Sold Separately)
Tripod Collar (Sold separately)
LP1219
Ring-type tripod mounting socket B (B)
(comes with the EF100mm f/2.8 MACRO USM adapter)
• 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.
• 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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CT1-7529-011
© CANON INC. 2002
2009.7
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