Canon lens EF 100mm f28L Macro IS USM User Manual

EF100mm f/2.8L MACRO IS USM
Instruction
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The Canon EF100mm f/2.8L MACRO IS USM
lens is a macro lens dedicated to Canon EOS
cameras. It is equipped with an Image
Stabilizer and can shoot close-ups up to 1:1
as well as normal shots.
• IS stands for Image Stabilizer.
• USM stands for Ultrasonic Motor.ENG-1
Thank you for purchasing a Canon product.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
Features
1. The Image Stabilizer provides the...

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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...

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Nomenclature
Hood mount (→ 7)
Filter mounting
thread (→ 14, 15) Focusing ring (→ 5) Focusing distance range selection switch (→ 5)
Image stabilizer switch (→ 10) Focus mode switch (→ 5) Distance scale (→ 6)
Contacts (→ 4)
Lens mount index (→ 4)
Tripod mounting location (→ 13) Rubber ring (→ 4)
F
or detailed information, reference page numbers are provided in parentheses ( →**).
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See your camera’s instructions for details 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...

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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
f ocusing 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)
Y ou can switch the focusing distance range to
one of three settings: FULL (0.3 m/1.0...

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4.Infinity Compensation Mark
Infinity compensation markDistance 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.
F or 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.
* For...

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5. Hood
The ET-73 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 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 hoods stop
position mark.
The hood can be reverse-mounted on the lens for storage.
•P art of the picture may be blocked if the hood is not attached properly.
• When attaching or detaching the...

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6. Picture Taking
Normal Photography
The lens can be used as a medium-telephoto
lens for normal photography such as portraits.
Closeup Photography
Close-up photos up to 1x (life-size) magnification
are possible. The minimum focusing distance of
30 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 14 cm.
Fo r normal close-up shooting, the higher the
magnification, the faster the shutter speed must
be to prevent blur caused...

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7. About Exposure
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 and Effective f-
number
The aperture displayed by the camera assumes
that the focus is set to infinity. The actual
aperture (effective...