Canon Ef 400Mm F 4 Do Is Ii Usm Instruction Guide

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EF400mm f/4 DO IS II USM

Instructions

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Thank you for purchasing a Canon product.

Canon’s EF400mm f/4 DO IS II USM is a high-

performance super telephoto lens, for use with EOS

cameras, which includes a newly-developed DO lens

(Gapless Dual-Layer Diffractive Optical Element) and

is designed to be compact and lightweight.

 “DO” stands for Diffractive Optics.

 “IS” stands for Image Stabilizer.

 “USM” stands for Ultrasonic Motor.

Features

1. An optimal combination of DO elements

providing good compensation of chromatic

aberration and an aspherical element

providing good compensation of aberrations,

giving superior definition as well as achieving

compactness.

2. The Image Stabilizer gives the equivalent effect

of a shutter speed 4 stops* faster (when using

an EOS-1D X).

Also, a third Image Stabilizer mode effective for

shooting irregularly moving subjects.

3. SWC (Subwavelength Structure Coating)

reduces flare and ghosting.

4. Using a fluorine coating on the foremost and

rearmost lens surfaces allows adhered dirt to be

removed more easily than before.

5. Ultrasonic motor (USM) for fast, quiet autofocus.

6. Manual focusing is available after the subject

comes into focus in autofocus mode (ONE SHOT

AF).

7. An AF stop button to pause autofocus whenever

desired.

8. A power focus mode enables smooth focus

change.

9. A focus preset function for advance storage

of focusing positions in memory to allow

instantaneous focusing.

10. Can be used with EF1.4× III/EF2× III extenders.

11. Attachment slot provided for wire-type security

lock, located under the cover for the orientation

locking knob.

12. Tight seal structure provides excellent dustproof

and drip-proof performance. However, it is unable

to provide complete protection from dust and

moisture.

13. Designed for lighter weight with parts made of

magnesium alloy.

* Based on CIPA (Camera & Imaging Products

Association) standards.

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Safety Precautions

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.

 Do not point the lens or camera at the sun or

photograph it. This is because the lens concentrates

the sun’s rays even when the sun is outside the image

area or when shooting with backlight, which could cause

malfunction or fire.

 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.

 When the lens is mounted on a camera, be sure to also

hold the camera by the lens, including when mounting

on a tripod. Only holding by the camera could result in

scratches on the camera body or the lens itself. The lens

may also detach from its mount and fall, causing injury.

 Do not use a strap attached to the camera. The mount

may break, resulting in the lens falling off and causing

injury or in scratches on the camera. Be sure to use the

camera with a dedicated strap attached correctly to the

strap mount on the lens. (Refer to “Attaching the strap”.)

 Do not stand on top of the lens case. You may fall and

injure yourself.

 Do not pile lens cases on top of one another as they

may fall and cause injury.

Conventions used in this instruction

Warning to prevent lens or camera malfunction

or damage.

Supplementary notes on using the lens and

taking pictures.

Handling 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.

 Do not leave the lens in excessive heat such as in a car

in direct sunlight. High temperatures can cause the

lens to malfunction.

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Shooting Precautions

As a characteristic of the diffractive optics with this lens,

colored flare may occasionally appear around the light

source depending on shooting conditions.

 For scenes where a light source is inside the screen,

colored flare may occasionally appear as a halo of light

around the light source or appear fanning out from the

light source.

 For scenes where a light source is outside the screen,

colored flare may occasionally appear partially inside

the screen. You can reduce or prevent these issues

with the following steps according to the scene you are

shooting.

• Attach a lens hood.

• Use your hand or paneling, an umbrella, etc. to block

the light source and placed so that they do not appear

in the screen.

Usage Precautions

 When using this lens, please check the Canon website

for the latest camera firmware. If the camera’s firmware

is not the latest version, be sure to update to the latest

firmware.

 For details on updating firmware, please check the

Canon website.

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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:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and

receiver.

• Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician

for help.

Safety Precautions

CAN ICES-3(B)/NMB-3(B)

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Nomenclature

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

Distance scale (→ 15)

Orientation locking knob (→ 18)

Security slot (covered) (→ 18)

Strap mount (→ 6)

Focus mode switch (→ 7)

Contacts (→ 6)

Lens mount index (→ 6)

Drop-in filter (→ 19)

Image stabilizer mode selector switch (→ 12)

Focus preset switch (→ 9)

Focusing distance range

selector switch (→ 7)

Tripod mount (→ 18)

Focus preset button (→ 9)

Image stabilizer switch (→ 12)

Rubber ring (→ 6)

AF stop button

(→ 8)

Hood mount (→ 15)

Playback ring

(→ 10)

Focusing ring (→ 7)

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1. Mounting and Detaching the Lens

See your camera’s instructions for details on

mounting and detaching the lens. The lens mount has a rubber ring for enhanced

dust- and water-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.

Attaching the strap

Thread the end of the strap through the strap

mount on the lens and then back through the

clasp on the strap. Pull the strap tight and check

that there is no slack in the clasp.

 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.

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3.

Switching the Focusing

Distance Range

Ranges

FULL

(3.3 m/10.83 ft. - ∞)

3.3 m/10.83 ft. – 8 m/26.25 ft.

8 m/26.25 ft. - ∞

2.

Setting 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

focus)

 To shoot in autofocus (AF) mode, set the focus

mode switch to AF.

 To shoot in manual focus (MF) mode, set the

focus mode switch to MF, and focus by turning

the focusing ring. The focusing ring always

works, regardless of the focus mode.

 To shoot in power focus (PF) mode, set the

focus mode switch to PF when the focus

preset switch (p. 9) is at OFF. For detailed

information, see “6. Power Focus (PF) Mode”

(p. 11).

You can set the focusing distance range with a

switch. By setting a suitable focusing distance

range, the actual autofocusing time will be

shorter.

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4. AF Stop Button

The AF stop function also works in AI Servo AF

mode.

Angle positioning of the AF stop button is

adjustable by a Canon Service Center at cost.

 With the EOS 630/600, RT, A2/A2E/5, or 10S/10

set to the AI Servo AF mode and continuous

shooting, AF will not resume even after you

let go of the AF stop button. Press the shutter

release button halfway to resume AF.

 With the EOS A2/A2E/5 and 10S/10 set to the

Sports mode, AF will not resume even after you

let go of the AF stop button. Press the shutter

release button halfway to resume AF.

 You can change the functions of the AF stop

button using the camera’s Custom Function. For

details, please refer to the camera’s instructions.

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.

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5. Focus Preset

By presetting any focusing distance, you can instantly focus at that point even while you are

shooting a different subject. This function operates in any of the AF, PF, and MF modes.

< How to Set >

Press the focus preset

button.

 The focused distance will be

preset.

 If the focus preset switch was

set to , the beeper will

sound once.

Press the shutter button

halfway or turn the focusing

ring to focus the distance

you want to preset.

Set the focus preset switch

to ON or .

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Focus Preset

 When turning the playback ring, keep your finger

away from the shutter button. In One-Shot AF

mode, the exposure will be locked when you

press the shutter button halfway and focus is

achieved. So if you press the shutter button

halfway while turning the playback ring, the

exposure may not be correct.

 When not using the focus preset, set the switch

to OFF.

 The focus preset function will work while a Live

View image is displayed on the camera or when

shooting movies for the following cameras:

EOS-1D X, EOS 5D Mark III, EOS 6D, EOS 70D,

EOS REBEL T5i/700D, SL1/100D, T4i/650D,

T5/1200D

EOS M2* and EOS M when used together with

Mount Adapter EF-EOS M

By turning the playback ring to the left or right,

the focus shifts as far as the preset distance.

Focus will shift freely released of AF focusing

while the playback ring is still turned.

 If the focus preset switch was set to , the beeper

will sound twice.

Setting the focus mode switch to power focus

(PF) when using the lens with the following

cameras enables focus change to a preset

focusing distance at a slow speed during movie

shooting. Also, you can make a 2-step change

in focus shift speed depending on the angle that

the playback ring is rotated to.

EOS-1D X, EOS 5D Mark III, EOS 6D, EOS

< How to Focus at the Preset Distance > 70D, EOS REBEL T5i/700D, SL1/100D,

T4i/650D, T5/1200D

EOS M2* and EOS M when used together with

Mount Adapter EF-EOS M

* Not available in certain countries and regions.

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6. Power Focus (PF) Mode

Using the playback ring enables smooth focus change.

This is a useful feature for changing focus when shooting movies.*1

When the playback ring is rotated in a certain direction, focus changes in the same direction as when

the focusing ring is rotated.

You can make a 2-step change in focus shift speed depending on the angle that the playback ring is

rotated to.

With the focus preset switch set to OFF, set the focus mode

switch to PF. Rotate the playback ring to

change the focus.

*2 Not available in certain countries and regions.

*1 Power focus (PF) will work while a Live View image is displayed on the camera or when shooting movies for the

following cameras:

EOS-1D X, EOS 5D Mark III, EOS 6D, EOS 70D, EOS REBEL T5i/700D, SL1/100D, T4i/650D, T5/1200D

EOS M2*2 and EOS M when used together with Mount Adapter EF-EOS M

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7. Image Stabilizer

You can use the image stabilizer in AF, PF, or MF mode.

Set the STABILIZER switch

to ON.

 If you are not going to use the

image stabilizer function, set

the switch to OFF.

Select the stabilizer mode.

 MODE 1: Corrects vibrations in

all directions. It is mainly effective

for shooting still subjects.

 MODE 2: Corrects vertical

camera shake during

following shots in a horizontal

direction, and corrects

horizontal camera shake

during following shots in a

vertical direction.

 MODE 3: Corrects vibration only

during exposure. During panning

shots, corrects vibration during

exposure only in one direction

the same as MODE 2.

First press the shutter

button down halfway, then

press down all the way to

take the picture.

 MODE 1, 2: Press the

shutter button down halfway

to stabilize the image in

the viewfinder and enable

stabilization.

 MODE 3: Press the shutter

down halfway to initiate

computation of stabilization,

then press down all the way

to enable stabilization.

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8. Tips on Using the Image Stabilizer

 In semi-darkened areas such as indoors or

outdoors at night.

 In locations where flash photography is

prohibited, such as art museums and theater

stages.

 In situations where your footing is uncertain.

 In situations where fast shutter settings

cannot be used.

 When panning subjects in motion.

 MODE 3

 Since camera shake is stabilized only during

exposure, following a subject is easier such as

when shooting a fast and irregularly moving

player during sports photography.

 MODE 1  MODE 2

OFF

ON

OFF

ON

The image stabilizer for this lens is effective for hand-held shots in the following conditions.

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Tips on Using the Image Stabilizer

 The Image Stabilizer cannot compensate for a

blurred shot caused by a subject that moved.

 Set the STABILIZER switch to OFF when you

are taking pictures using the Bulb setting (long

exposures). If the STABILIZER switch is set to ON,

the image stabilizer function may introduce errors.

 The Image Stabilizer might not be fully effective in

the following cases:

• You shoot from a violently moving vehicle.

• You move the camera dramatically for a panning

shot in Mode 1.

 The Image Stabilizer consumes more power than

normal shooting, resulting in fewer shots and a

shorter movie shooting time.

 The image stabilizer operates for about two seconds

even when your finger is off the shutter button.

Do not remove the lens while the stabilizer is in

operation. This will cause a malfunction.

 With Extender EF2× II attached to the lens, the

Image Stabilizer will work with the following cameras:

EOS-1D X, EOS-1Ds Mark III, EOS-1Ds Mark II,

EOS-1Ds, EOS-1D Mark IV, EOS-1D Mark III,

EOS-1D Mark II N, EOS-1D Mark II, EOS-1D,

EOS 5D Mark III, 5D Mark II, 5D, 6D, 7D, 70D, 60D,

50D, 40D, 30D, 20D, 20Da, 10D, REBEL T5i/700D,

SL1/100D, T4i/650D, T3i/600D, REBEL T2i/550D,

REBEL T1i/500D, DIGITAL REBEL XSi/450D,

REBEL T5/1200D, REBEL T3/1100D, DIGITAL

REBEL XS/1000D, DIGITAL REBEL XTi/400D

DIGITAL, DIGITAL REBEL XT/350D DIGITAL,

DIGITAL REBEL/300D DIGITAL, D60, D30,

EOS DCS1, DCS3, D2000, D6000, EOS-1V/HS,

EOS-1N/DP/HS/RS, 3, ELAN 7E/ELAN 7/30/33,

ELAN 7NE/ELAN 7N/30V/33V, ELAN II/ELAN

IIE/50/50E, REBEL X/REBEL XS/500, REBEL

G/500N, REBEL 2000/300, REBEL Ti/300V, REBEL

T2/300X, REBEL K2/3000V, IX, IX Lite/IX7, 3000/88,

5000/888

 With the EOS-1V/HS, 3, ELAN 7E/ELAN 7/30/33,

ELAN 7NE/ELAN 7N/30V/33V, ELAN II/ELAN II

E/50/50E, REBEL 2000/300, IX, IX Lite/IX7, and

D30, the Image Stabilizer will not work during self-

timer operation.

 Using a tripod also stabilizes the image.

However, depending on the kind of tripod and

shooting conditions, sometimes it may be better to

turn off the Image Stabilizer function.

 The stabilizer is equally effective for hand-held

photography and photography with a monopod. The

Image Stabilizer effect may be reduced, however,

depending on the shooting environment.

 The Image Stabilizer also operates when the lens is

used with extension tube EF12 II or EF25 II or the

extender EF1.4× III or EF2× III.

 Depending on the camera there may be image

shake, such as after releasing the shutter. However,

this does not affect shooting.

 If you set the camera’s Custom Function to change

the assigned button to operate the AF, the Image

Stabilizer will operate when you press the newly

assigned AF button.

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10. Hood

The special hood that comes with the lens cuts

out unwanted light and protects the front of the

lens from rain, snow, and dust.

To attach the hood, loosen the hood lock knob

by turning it counterclockwise. Fit the hood onto

the lens’s hood mount, and tighten the lock knob

to fix it in place. Use the same procedure, in

reverse, to remove the hood.

9.

Infinity Compensation

Mark

For 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 ring.

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 distance

scale L mark is aligned with the distance index.

Infinity compensation mark

Distance index

* For cameras with Live View shooting capability.

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11. Fitting the Lens Cap

With the lock knob at the

opening in the cap, close

the fastener to fix the cap in

place as shown.

 Can also be attached to the

front of the hood when using

the lens.

Lift the hook and loop

fastener, and fit the cap so

that the lock knob rides up

the slot in the cap.

Reverse the lens hood, slip

it over the lens, and tighten

the lock knob to fix it in

place.

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12. Case

Put the lens away as follows.

Reverse the lens hood, slip it over the lens,

and attach the lens cap.

Position the tripod mount towards you as

shown and place it in the case.

Place so that the hood’s lock knob rests in

the slot near you.

Fold the strap and fit it into the space near

the case hinges.

Fasten the lens securely with the strap.

Close the lid, and then push the lever while

holding the lid from above to lock.

 Do not sit on top of the lens case.

 Place the lens in the position intended for it.

Keyhole

Slot Lid

Hinge

Lever

Strap

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13. Using the Tripod

Mount

A tripod or monopod attaches to the tripod

mount on the lens.

Adjusting the Tripod Mount

By loosening the orientation locking knob on the

tripod mount you can rotate the camera to set

the image for any vertical or horizontal position.

14. Security Slot

An attachment slot is provided for a wire-type

security lock. The slot is located under the cover

for the orientation locking knob.

A wire-type security lock can be purchased

separately.

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15. Drop-In Filters

A 52(WII)-series drop-in gelatin filter holder with

a glass filter is included with the lens. The drop-

in filter holder can be used fitted with a gelatin

filter (sold separately). 14mm

14mm

47mm

47mm

<Installing and Removing>

To remove the drop-in filter, press in the left

and right lock buttons and pull the filter holder

straight up out of the slot.

To install the drop-in filter, push the filter holder

straight down into the slot until it clicks into place.

 The filter holder can be installed facing either

forwards or backwards.

The Drop-In Screw-Type Filter Holder 52(WII) and

Drop-In Circular Polarizing Filter PL-C52(WII) are

also available (sold separately).

Because the lens optics are designed to include a

glass filter, you must always install the filter holder,

even if no gelatin filter is fitted.

Lift up the holder’s retaining plate.

Cut the gelatin filter as shown and mount it in

the holder.

Return the retaining plate to its closed

position.

<Using a Gelatin Filter>

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16. Extenders (Sold Separately)

Lens specifications when using extender EF1.4× II/III or EF2× II/III are as follows.

EF1.4× II/III EF2× II/III

Focal length (mm) 560 800

Aperture f/5.6 – 45 f/8 – 64

Angle of view

Diagonal 4° 25’ 3° 5’

Vertical 2° 25’ 1° 40’

Horizontal 3° 40’ 2° 35’

Maximum magnification (×) 0.18 0.26

 Attach the extender to the lens, and then attach the lens to the camera. To remove it, reverse the order.

Errors may occur if you attach the extender to the camera first.

 With Extender EF2× II/III attached to the lens, only manual focus is possible. However, with the EOS-1D

X*, EOS-1Ds Mark III, EOS-1Ds Mark II, EOS-1Ds, EOS-1D Mark IV, EOS-1D Mark III, EOS-1D Mark II

N, EOS-1D Mark II, EOS-1D, EOS 5D Mark III*, EOS-1V/HS, EOS-3 camera, autofocusing with the center

focusing point is possible.

 When shooting with EOS A2/A2E/5, use –0.5 step exposure compensation when using extender EF1.4× II,

and use –1 step exposure when using extender EF2× II.

 Extenders cannot be used more than one at a time.

 Autofocusing is still enabled with extender EF1.4× II/III attached.

 When an extender is attached, the AF speed will become slower to retain proper control.

* AF can be used by updating your camera’s firmware. Please check the Canon website for information about

firmware updates.

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17. Extension Tubes

(Sold Separately)

You can attach extension tube EF12 II or EF25

II for magnified shots. The shooting distance and

magnification are shown below.

MF mode is recommended for accurate focusing.

Focusing Distance Range (mm)

Magnification (×)

Close distance

Long distance

Close distance

Long distance

EF12 II 2753 13407 0.17 0.03

EF25 II 2362 6638 0.22 0.07

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Specifications

 The lens length is measured from the mount surface to the front end of the lens. Add 26.5 mm

when including the lens cap and dust cap.

 The size and weight listed are for the lens only, except as indicated.

 The Close-up Lenses 250D and 500D cannot be attached.

 Aperture settings are specified on the camera.

 All data listed is measured according to Canon standards.

 Product specifications and appearance are subject to change without notice.

Focal Length/Aperture 400mm f/4

Lens Construction 12 groups, 18 elements

Minimum Aperture f/32

Angle of View Diagonal: 6° 10’

Vertical: 3° 30’

Horizontal: 5° 10’

Min. Focusing Distance 3.3 m/10.83 ft.

Max. Magnification 0.13×

Field of View Approx. 185 × 278 mm/

7.28 × 10.94 inch (at 3.3 m/10.83 ft.)

Filter Any 52(WII)-series drop-in filter

Max. Diameter and Length Approx. 128 × 232.7 mm/5.04 × 9.16 inch

Weight Approx. 2100 g/74.1 oz

Hood ET-120(WII)

Lens Cap E-145C

Case Lens case 400D

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CT1-8590-000 1406SZ © CANON INC. 2014

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