Canon EF100-400 User Manual

EF100-400mm f/4.5-5.6L IS USM

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Instruction

Thank you for purchasing a Canon product.

	The Canon EF100–400mm f/4.5–5.6L IS USM		Features
	lens is a high-performance telephoto zoom lens		1. The Image Stabilizer gives the equivalent
	for EOS cameras.		effect of a shutter speed two stops* faster. A
	● “IS” stands for Image Stabilizer.		second image stabilizer mode that is
	● “USM” stands for Ultrasonic Motor.		optimized for continuous shooting (MODE 2)
			is provided.
	Handling Cautions
			2. Fluorite and super UD lens elements for truly
	● If the lens is taken from a cold environment into a		exceptional imaging capability.
	warm one, condensation may develop on the lens
			3. Ultrasonic motor (USM) for fast, quiet
	surface and internal parts. To prevent condensation
	in this case, first put the lens into an airtight plastic bag		autofocus.
	before taking it from a cold to warm environment. Then		4. Manual focusing is available after the subject
	take out the lens after it has warmed gradually. Do the		comes into focus in autofocus mode (ONE
	same when taking the lens from a warm environment
	into a cold one.	COPYSHOT AF).
	● Do not leave the lens in excessive heat such as in a		5. Adjustable zoom ring touch lets you lock at
	car in direct sunlight. High temperatures can cause		any focal length.
	the lens to malfunction.		6. Can be used with EF1.4× II/EF2× II
			extenders.

Conventions used in this instruction

Warning to prevent lens or camera malfunction or damage.

Supplementary notes on using the lens and taking pictures.

*Based on [1/focal length] second.

Generally, it requires a shutter speed [1/focal length] second or faster to prevent camera shake.

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a Safety Precautions

a Safety 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.

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.

This Class B digital apparatus complies with Canadian ICES-003.

aPrecautions for shooting with EOS-1N RS

This device complies with Part 15 of the FCC Rules. Operation is	• When using this lens to shoot with EOS-1N RS, use –2/3 step
subject to the following two conditions: (1) This device may not	or –1/2 step exposure compensation.

cause harmful interference, and (2) this device must acceptCOPYany 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

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Nomenclature

Hood mount
(→ 12)
Filter mounting
thread (→ 12)					E N	S
				L
			M
		O
	O
Z
N
O
N
A
C

Zoom ring (→ 6)

00 1

CF

Focusing ring (→ 4)

Zoom touch adjustment ring (→ 6)

Image stabilizer mode selector switch (→ 7)

Zoom position index

TIGHT

	SMOOTH		STABILIZER
			MODE
			1	2
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		STABILIZER
		ON	OFF

Focus mode switch (→ 4)

Distance scale (→ 10)

AF

MF

8m	5m
. .
1	6

Contacts (→ 4)

Image stabilizer switch (→ 7)

For detailed information, reference page numbers are provided in parentheses (→ **).

Lens mount index (→ 11)

Focusing distance range selector switch (→ 5)

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After autofocusing in ONE SHOT AF mode, focus manually by pressing the shutter button halfway and turning the focusing ring. (Full-time manual focus)

1. Mounting and	2. Setting the Focus
Detaching the Lens	Mode
See your camera’s instructions for details on
mounting and detaching the lens.	AF MF
	To shoot in autofocus (AF) mode, set the focus
● After detaching the lens, place the lens with the	mode switch to AF.
rear end up to prevent the lens surface and	To shoot in manual focus (MF) mode, set the
contacts from getting scratched.	focus mode switch to MF, and focus by turning
● If the contacts get soiled, scratched, or have

	the focusing ring. The focusing ring always
fingerprints on them, corrosion or faulty	COPY
	works, regardless of the focus mode.

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.

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3.Switching the Focusing Distance Range

1.8m

6.5m

actual autofocusing time will be shorter.

You can set the focusing distance range to 1.8 m/5.9 ft. to infinity or 6.5 m/21.3 ft. to infinity.COPYBy setting the suitable focusing distance range, the

If you use AF from outside the specified focusing distance range, the lens may stop focusing when it reaches the limit of the range. This is not a malfunction. If this occurs, press the shutter button halfway down again.

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