Canon lens EF 24mm f14L II USM User Manual

EF24mm f/1.4L II USM
Instruction
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Thank you for purchasing a Canon product.
The Canon EF24mm f/1.4L II USM lens is a
high-performance wide-angle lens designed
for EOS cameras.
¡“USM” stands for Ultrasonic Motor.Features
1. Aspherical and UD lens elements result in outstanding image delineation.
2. SWC (Subwavelength Structure Coating) dramatically reduces ghosting and flare
caused by light entering at an acute angle.
3. Ultrasonic motor (USM) for quick and quiet autofocusing.
4. Manual focusing is available after the subject comes...

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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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Distance scale  (→ 5, 6)Depth-of-Field scale  ( → 6)
Contacts (→ 4) Focus mode switch (→ 5)
Hood mount (→ 7)
Lens mount index  (→ 4)
Filter mounting 
thread (→ 7)
Infrared index  (→ 6)
Focusing ring (→ 5)
Nomenclature
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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3.Infinity Compensation Mark
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.
* For cameras with Live View shooting capability.
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...

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5. 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.
The infrared index corrects the focus setting
when using monochrome infrared film. Focus on
the subject manually, then adjust the distance
setting by moving the...

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7. Filters (Sold separately)
You can attach filters to the filter mounting thread
on the front of the lens.
¡Only one filter may be attached.
¡If you need a polarizing filter, use the Canon
Circular Polarizing Filter (77mm).
6. Hood
The EW-83K 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...

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8.Extension Tubes (Sold separately)
You can attach Extension Tube EF12 II for
magnified shots. The shooting distance and
magnification are shown below.
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 156 167 0.67× 0.50×
9.Close-up Lenses (Sold separately)
Attaching a 500D (77mm) Close-up Lens
enables close-up photography.
Magnification will be 0.05
×– 0.21×.
¡The Extension Tube EF25 II cannot be used with
the lens.
¡Manual focusing is recommended for accurate focusing....

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Specifications
Focal Length/Aperture24 mm f/1.4Lens Construction10 groups, 13 elementsMinimum Aperturef/22Angle of ViewDiagonal: 84° Vertical: 53° Horizontal: 74°Min. Focusing Distance0.25 m / 0.82 ft.Max. Magnification 0.17 ×Field of View 139 ×208 mm / 5.5  ×8.2 inch (at 0.25 m)Filter Diameter 77 mm / 3.0 inchMax. Diameter and Length83.5 ×86.9 mm / 3.3  ×3.4 inchW eight  650 g / 22.9 oz.Hood EW-83KLens CapE-77U/E-77 II
Case LP1319
¡The lens length is measured from the mount surface to the front...