Canon EF-M 22mm f/2 STM, 5985B002, EF-M User manual

Canon EF-M 22mm f/2 STM, 5985B002, EF-M User manual
EF-M LENS Instructions
EF-M22mm f/2 STM
Focusing ring
Hood/Filter Mounting Thread
Lens mount index
Thank you for purchasing a Canon product.
The Canon EF-M22mm f/2 STM lens is a small fixed
focus length lens developed for interchangeable-lens
digital cameras compatible with EF-M lenses*.
*Only the following cameras are compatible with
EF-M lenses (as of July 2012):
• "STM" stands for stepping motor.
Safety Precautions
• Do not look at the sun or a bright light source
through the lens. Doing so could result in vision
loss or blindness.
• 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.
1. Mounting and Detaching the Lens
Handling Cautions
Please mount and detach the lens only with the
camera turned OFF.
See your camera’s instructions for details on
mounting and detaching the lens.
• 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.
• Please also refer to the handling cautions found
in your camera’s instructions.
•After detaching the lens, place the lens with
the rear end up to prevent the lens surface and
contacts from getting scratched. (fig.❶)
•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  index of the dust cap as shown
in the diagram, and turn clockwise. (fig.❷) To
remove it, reverse the order.
Conventions used in this instruction
Warning to prevent lens or camera
malfunction or damage.
Supplementary notes on using the lens and
taking pictures.
2. Manual Focus
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
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 against
harmful interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy 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:
• 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.
When the camera’s focus mode is set to [MF], focus
manually by turning the focusing ring (fig.❸).
Quickly rotating the focusing ring may result in
delayed focus.
•Focus mode is set using the camera. Please
refer to the camera’s instructions.
•After autofocusing in [AF+MF] mode, focus
manually by pressing the shutter button halfway
and turning the focusing ring (full-time manual
This Class B digital apparatus complies with
Canadian ICES-003.
3. Hood (sold separately)
The EW-43 hood cuts out unwanted light and protects
the front of the lens from rain, snow, and dust.
Please attach the hood securely by either screwing it
into the lens’ filter thread (43 mm in diameter) located
at the front of the lens or screwing it into the filter
thread (43 mm in diameter) of a filter that is attached
to the lens (fig.❹).
•Please attach and detach the hood and filter
only with the camera turned OFF.
•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.
4. Filters (sold separately)
A filter is attached by either screwing it into the lens’
filter thread or the front filter thread of the hood (43
mm in diameter).
•Only one filter may be attached.
•The hood and filter can be attached in any order.
Focal Length/Aperture 22mm f/2
Lens Construction
6 groups, 7 elements
Minimum Aperture
Diagonal: 63°30′
Vertical: 37°50′
Horizontal: 54°30′
Angle of View
Min. Focusing
Max. Magnification
0.15 m/0.49 ft.
Filter Diameter
Max. Diameter and
Approx. 72 x 109 mm/
2.83 x 4.29 inch
(at 0.15 m/0.49 ft.)
43 mm
60.9 x 23.7 mm/
2.40 x 0.93 inch
Approx. 105 g/3.7 oz
EW-43 (Sold Separately)
Lens Cap
Dust Cap
Lens Dust Cap EB
LP811 (Sold Separately)
Field of View
• Equivalent to 35 mm in the 35mm film format.
• The lens length is measured from the mount
surface to the front end of the lens. Add 19,5 mm
when including the lens cap and dust cap.
• The size and weight listed are for the lens only,
except as indicated.
• Extenders cannot be used with this lens.
• Aperture settings are specified on the camera.
• All data listed is measured according to Canon
• Product specifications and appearance are subject
to change without notice.
© CANON INC. 2012
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