Canon lens EF 180mm f35L Macro USM User Manual

EF180mm f/3.5L MACRO USM
Instruction
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The Canon EF180mm f/3.5L MACRO USM lens
is a high-performance telephoto macro lens for
EOS cameras that can be used for normal
photography and close-up pictures up to 1:1, or
life-size, magnification.
• USM stands for Ultrasonic Motor.
Features
1. The floating system and UD element result in
excellent delineation at all focusing distances
from life-size to infinity.
2. Ultrasonic motor (USM) for quick and quiet autofocusing.
3. Manual focusing is available after the subject comes into focus in...

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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 (→ 5)Filter mounting
thread (→ 11)
Focusing ring (→ 4)
Focusing distance range selection switch (→ 5) Focus mode switch (→ 4)
Distance scale (→ 6)
Contacts (→ 4)
Tripod mount (→ 10)
Lens mount index (→ 4)
Orientation locking knob (→ 10)
Distance index  (→ 6) Depth-of-Field scale  (→ 6)
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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Y
ou can set the focusing distance range to 
0.48 m/1.6 ft. to infinity or 1.5 m/4.9 ft. to infinity.
By setting the suitable focusing distance range,
the actual autofocusing time can be shorter.
3.Switching the Focusing
Distance Range
If you autofocus outside the set focusing distance
r ange, 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.
4. Hood
The ET-78 II hood can keep unwanted light out
of the...

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6. Depth-of-Field Scale
The depth of field is the distance in front of and
behind the plane of focus on the subject that
appears sharp. The depth of field is indicated by
the area between the depth-of-field scale lines
below the distance scale.
The number on the scale is the F value.
The depth-of-field scale is an approximate
indicator.
5. Infinity CompensationMark
To   compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal...

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7. Picture Taking
•Image quality deteriorates near the minimum
aperture opening due to diffraction.
• 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.
•T o prevent camera shake, using a Remote
Switch (both sold separately) and tripod is
recommended.
•T o check the depth of field, press the camera’s
depth-of-field preview button.
Normal PhotographyThe lens can be used as a telephoto...

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8. About Exposure
•The correct exposure for a close-up shot largely
depends on the subject. Therefore, it is
recommended to take several shots of the same
subject at different exposures.
• When taking close-up shots, it is recommended
to use aperture-priority AE (Av) or Manual (M)
picture-taking modes, because depth of field
and exposure are easy to adjust in those
modes.
Setting the ExposureWhen taking photographs using TTL
metering, no exposure compensation is
necessary to meter the light coming...

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9. Macro Flash (Sold Separately)
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.
Install the Macro Lite Adapter 72C (sold
separately) on the filter mounting thread on the
front of the lens for macro flash photography.
F or normal photography, remove the Macro Lite
Adapter, because it may create a dark
circumference.
•F or information on operating the Canon Macro
Ring Lite MR-14EX or the...