Canon EF300mm f/2.8L IS II USM User manual

EF300mm F2.8L IS USM
EF400mm F2.8L IS USM
EF500mm F4L IS USM
EF600mm F4L IS USM
Instructions

ENG-1
Thank you for purchasing this Canon IS USM lens.
Features
1. Use of fluorite and UD lens elements giving
highly superior definition.
2. Dual mode image stabilizer with up to two-stop
shutter speed conversion.
3. USM for fast, quiet focusing.
4. Manual focusing available in autofocusing mode.
5. Can be used with EF1.4×II or EF2×II extenders.
6. An AF stop button to pause AF functions
whenever desired.
7. A focus preset function for advance storage of
focusing positions in memory to allow
instantaneous focusing.
8. Tight seal structure ensures excellent dust-proof
and drip-proof performance.
9. Lightweight design using magnesium alloy for the
main casing components.
Canon’s EF300mm f/2.8L IS USM, EF400mm f/2.8L
IS USM, EF500mm f/4L IS USM and EF600mm
f/4L IS USM are high-performance super-telephoto
lenses, for use with EOS cameras. They are
equipped with an image stabilizer effective for
hand-held shooting at slow shutter speeds.
●“IS” stands for Image Stabilizer.
●“USM” stands for Ultrasonic Motor.
aHandling Cautions
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.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.

ENG-2
• 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.
This digital apparatus does not exceed the Class B limits for radio
noise emissions from digital apparatus as set out in the
interference-causing equipment standard entitled “Digital
Apparatus”, ICES-003 of the Industry Canada.
aSafety Precautions
aSafety Precautions
1. 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.
2. 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.
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 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:
Attaching the strap
Thread the end of the strap through the strap holder on
the lens and then back through the buckle on the strap.
Pull the strap tight and check that there is no slack in
the buckle.
C

ENG-3
Nomenclature
2.5m
AF MF
2.5m 6.4m
6.4m
STABILIZER
STABILIZER
SET
MODE
FOCUS PRESET
1 2
CANON
LENS
CANON
LENS
EF
32
20
10
70
30
32
300mm
1:2.8L
IS U
MADE IN
JAPAN
Distance scale (→13)
Orientation lock knob (→14)
Strap holder (→2)
Focus mode switch (→5)
Contacts (→4)
Lens mount index (→14)
Drop-in filter (→16)
Image stabilizer mode selector switch (→10)
Focus preset switch (→8)
Focusing range selection switch (→5)
Tripod mount (→14)
Focus preset button (→8)
Image stabilizer switch (→10)
Rubber ring (→4)
AF stop button
(→6)
Hood mount (→15)
Focus recall ring
(→9)
Focusing ring (→5)
●The illustrations used in the explanations in this manual show the EF300mm f/2.8L IS USM, but
the EF400mm f/2.8L IS USM, the EF500mm f/4L IS USM, and the EF600mm f/4L IS USM are all
used in the same way.
●For detailed information, reference page numbers are provided in parentheses (→ **).

ENG-4
See your camera’s instructions for details on
mounting and detaching the lens.
1. Mounting and Detaching the Lens
●After detaching the lens, place the lens with the
rear end up to prevent the lens surface and
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 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. To remove it,
reverse the order.
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
Canon Service Center at cost.

ENG-5
To shoot in autofocus mode, set the focus mode
switch to AF.
To use only manual focusing, set the focus
mode switch to MF, and focus by turning the
focusing ring.
2. Setting the Focus
Mode
AF
STABILIZER
MF
3. Switching the
Focusing Range
The focusing range can be selected by this
switch to suit the shooting situation. This can
reduce the time needed for autofocusing.
2.5m
AF MF
2.5m 6.4m
6.4m
Lens Ranges
2.5 m/8.2 ft. – ∞
EF300mm f/2.8L IS USM 2.5 m/8.2 ft. – 6.4 m/21.0 ft.
6.4 m/21.0 ft. – ∞
3 m/9.8 ft. – ∞
EF400mm f/2.8L IS USM 3 m/9.8 ft. – 10 m/32.8 ft.
10 m/32.8 ft. – ∞
4.5 m/14.8 ft. – ∞
EF500mm f/4L IS USM 4.5 m/14.8 ft. – 10 m/32.8 ft.
10 m/32.8 ft. – ∞
5.5 m/18.0 ft. – ∞
EF600mm f/4L IS USM 5.5 m/18.0 ft. – 16.2 m/53.2 ft.
16.2 m/53.2 ft. – ∞

ENG-6
Switching the focusing range
●Before switching the focusing range, turn the
focusing ring to select a focusing distance
somewhere within the desired range.
●If you do not set the lens to a focusing distance
that is within the selected focusing range,
autofocusing may stop when it reaches the
range boundary. This is not a fault. If it happens,
press the shutter button halfway down again.
4. AF Stop Button
During autofocus operation, you can press the
AF stop button to temporarily pause autofocus.
If the shutter button is still pressed halfway
when the AF stop button is released,
autofocusing will continue as before.
The AF stop function also works in AI SERVO AF
mode.

ENG-7
AF Stop Button
●The AF stop function cannot be used with the
EOS EF-M on manual focus cameras.
●On the EOS 630/600, EOS RT, EOS A2/A2E/5
or EOS10S/10, if the AF mode is set to AI
SERVO AF and film winding is set for
continuous shooting, autofocusing will not
resume when you release the AF stop button. To
resume autofocusing, release the shutter button
and then press it halfway down again.
●When sport mode is selected on the
EOS A2/A2E/5 or EOS10S/10, autofocus will not
work when the AF stop button is released.
Release the shutter button and press it halfway
down again to resume autofocus.
5. Focusing Ring
The focusing ring always works, regardless of
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 focusing)

ENG-8
6. Focus Preset
If a particular focusing position is stored in the lens’s memory, the focus can be set instantly to the
stored position, even when pictures are being taken of other subjects. This feature can be used in
both AF and MF focus modes.
< Storing a Focus Position >
Press the focus preset
button. The focusing position
is now stored in the memory.
●If the focus preset switch is
set to , the electronic tone,
“pip” will sound.
Press the shutter button
halfway and set the focus to
the position you want to
store in the lens’s memory.
Set the focus preset switch
to or .
STABILIZER
SET
MODE
FOCUS PRESET
12
STABILIZER
SET
MODE
FOCUS PRESET
12

ENG-9
Focus Preset
●Release the shutter button when you turn the
focus recall ring. If the AF mode is set to ONE
SHOT AF, the exposure setting locks when you
press the shutter button halfway. Consequently,
the exposure may not be set correctly if you are
holding the shutter button halfway down as you
turn the focus recall ring.
●If you are not going to use the focus preset, set
the focus preset switch to .
Rotate the focus recall ring
right or left and then press
the shutter button fully to
take the picture.
●The focus is set to the preset
position.
●If the focus preset switch is
set to , the camera emits
two short beeps when it has
focussed.
< Recalling a focus Position >
In the following situations, the distance scale may
move slightly left or right for a moment. This will not
affect the photographed image.
• When you press the focus preset button.
• When you turn the focus recall ring.