Canon EF17-40LU Instructions Manual
Thank you for purchasing a Canon USM'lens.
The
Canon
performance wide-angle zoom lens.
"USM" stands for Ultrasonic Motor.
Features
1.
Two aspherical elements and a Super UD
element result in sharp pictures and
outstanding image delineation.
2.
Ultrasonic Motor (USM) for silent and highspeed
3. Manual focusing enabled even in the
4.
Circular diaphragm for better background blur.
5.
Sealed construction for higher dust- and waterresistance compared to previous lenses. (For
maximum protection, a filter must also be
attached to the front
EF17
AF
operation.
~40mm
f/4L USM is a high-
of
the lens.)
AF
mode.
~
Handling Cautions
If
the lensistaken from a cold environment into a
one,
warm
surface
this case, lirst put the lens intoanairtight plastic
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.Iens from a warm
environment into a cold one.
Although the lens
must also
complete protection. (The front of the lens moves
during zooming.)
condensation
and
internal parts.Toprevent condensation
is
be
attachedtothe front of the lens for
may
developonthe lens
dust- and water-resistant, a filter
Conventions used in this instruction
.-.
Warning to prevent lens or camera malfunction
~
or damage.
~
Supplementary notes on using the lens and
LjJ taking pictures.
in
bag
1i1-1
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
in
equipment unless otherwise specified
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
in
interference
generates, uses and can radiate radio frequency energy
and, if not installed and used
instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not
in
occur
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 residential installation. This equipment
in
accordance with the
a particular installation. If this equipment does
the
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Consult the dealer or an experienced radiofTV
technician for help.
This digital apparatus does not exceed the Class B
limits for radio noise emissions from digital apparatus as
in
set out
entitled "Digital Apparatus", ICES-003 of the Industry
Canada.
(E:
the interference-causing equipment standard
The (E: Mark is a Directive conformity mark
of the European Community (EC)
m-2
mount
(---7
Hood
7)
1---------
Filter mounting
thread (---78)
Focus mode switch
Distance scale
Zoom
(---7
5)
(---7
ring
6,7)
(---7
6)
Gelatin filter holder
(---7
8)
(---7
Focusing ring
C')
Numbers in parentheses indicate reference page numbers.
5)
Contacts
Lens mounting index (---74)
(---7
4)
1E1-3
See your camera's instructions for instructions
mounting and detaching the lens.
• After detaching the lens, attach the dust cap to
the rear of the lens to prevent the contacts and
lens from getting scratched.
• If the contacts are dirty, scratched, or soiled with
ora
fingerprints, etc., corrosion
connection or operation may result.
dust
• Always attach the
lens is not mounted on the camera.
the dust cap, align the mark on the dust cap
with the mark on the lens and turn the dust cap
To
clockwise.
counter-clockwise.
remove the dust cap, turn it
cap to the lens when the
faulty
To
attach
on
o The lens mount has a rubber ring for enhanced
water- and dust-resistance. The rubber ring may
cause slight abrasions around the camera's lens
mount, but this will not cause any problems. If the
rubber ring becomes worn, it is replaceable by a
at
Canon Service Center
cost.
11-4
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