Canon Speedlite Transmitter ST-E2 User manual

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Thank youfor purchasinga Canon product.

Speedlite Transmitter ST

E2 is a wireless transmit

ter which can control up to two Speedlite 550EX

groups set asslaves.

The transmitting range is about 12 to 15 meters

39.4 to 49.2 ft indoors and 8 to 10 meters

26.2 to

32.8 ft outdoors. With Type A cameras (EOS

3, EOS

Elan IIIIIE, EOS 50/50E, EOS 500NlRebel

EOS

IX.

EOS

IX7AX

Lite),the ST

E2 can execute the fol

lowing operations through wireless control:

E-?"rL autoflash

High

speed sync (FPflash)

FE lock

Flash exposure compensation

Manual flash (Flashoutput set with Speedlite)

Multi

flash firing (Setwith the Speedlites)

This Instructions booklet assume that a Type

cam

era is used with the ST-E2.

With Type

cameras (EOScameras except 'I'ype

models),the ST

E2 can be used only for manual

flash and multi

flash photography. See pages 23

to 27 in this booklet and the Speedlite 550EX

Instructions.

Symbols used in this Instructions booklet:

Warning for preventing camera or ST

malfunction.

Supplementary notes for using the ST

with the camera.

:'&:

Helpful tip for using the ST

E2 and taking

AF-asktdea'm to areak.

With the EOS

3, the following operations are also

possible: Flash ratio control between two Speedlite

slave

P~OUDS.

modeline flash firing. and linkage of

C€

The

Mark

Directive cunformity

mark

the

European

Community

(ECl

pictures.

Keep this Instructions booklet handy for future

reference.

This digital apparatus does not exceed the Class

limits for radio noise emissions frnrn digital appara

tus as set out in the interference

causingequipment

standard entitled

Digital Apparatus

, ICES

003 of

the Industry Canada.

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Contents

Nomenclature

................................................................................................................

ReadyingtheST-E2

.......................................................................................................

Readying the

550EX

(SlaveSetting)

............................................................................

Basic Wireless E-TTL Autoflash Operation

.................................................................

Wireless Multi-Flash E-TTL Autoflash Operation

......................................................

Applications

...................................................................................................................

Troubleshooting

.............................................................................................................

Specifications

.......................................................................................................................

.35

Note

All

the operation instructions in this booklet assume that the ST

E2 and other relevant equipment are

already turned on. Before proceeding, make sure the

and other equipment areon.

This device complies with Part

of the

FCC

Rules. Operation is subject to thefollowing two conditions:

(1)

This device may not

cause harmful interference, and

(2)

this device mustaccept any interference receivcd, including interlilrence that may cause

undesired operation.

Do not make any changes or modifications

the equipment unless otherwise specified in the instructions. If such

changt.s

modifications should be made, you could

required to

stop

operation of theequipment.

This equipment has been tested and found to conlply with the limitsfor a class

digital device, pursuant

part

the

FCC

Rules. These limits arcdesigned 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

radio communications.

However, thereis no guarantecthat interference will not occur in a particular installation. If this equipment does cause harmful

interference

radio or television reception, which can be determined by turning theequipmentoff and on, the user is encour;~g-ed

totry to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase theseparation between the equipment and receiver.

Consult the dealer or anexperienced radiolIli technician for help.

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Nomenclature

Front

Rear

Battery compartment cover

Flash ratio cuntrol lamp

,+I"-assist beam emlttor Channel intl~cat,~r

PILOT

I'ilot. I:im

Shoc

lt~kslider trnnsmission button

High-speed synr (FI'

fl:~:

,:Turns

off

thr 11rnr.er.

>:Turns on thr po\rer.

HOLD

Retains the cur-

rent settingsu,hilo thr switch

position is

All lr:,nsmiLter

controls except the tPet trans-

mission button

;ire

~lis:$blcd.

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Readying

the

(I)

Installing the Battery

Use one lithium 2CR5 battery

(sold separately).

Slide the battery compartment

cover as shown by the arrow

and remove.

Install the battery in the orien

tation shown in the compart

ment.

Install the battery compart

ment cover to close the battery

compartment.

About the battery

the battery contacts are

soiled, improper electrical con

tact may result. Before

installing the battery, wipe the

battery contacts with a clean

cloth.

When to replace the battery

Replace the battery if it takes

sec. or longer for the red pilot

lamp to light after you set the

main switch to

HOLD

(2)

Attachment to the

Camera

Push in the ST-E2's mounting

foot all the way into the camer

a'shot shoe.

Slide the shoe lock slider as

shown by the arrow. (Thelock

pin protrudes to lock

the

E2 onto thecamera.)

To remove the

ST-152,

slide the

shoe lock slider

the opposite

direction (the lock pin retracts)

and

slide off the

EP.

COPY

Readvine the ST-E2

The hot shoe on the EOS 650,

EOS 620, EOS 750, and EOS

850

will not couple with the

lock pin. The ST-E2 can still be

attached to these cameras, but

it cannot be locked onto the hot

shoe.

(3)

Turning

the

Power

Turn the main switch to

The main switch has the follow

ing three positions:

Turns of'f'the powcr.

Turns on the powrr.

HOLD

The settings which

were set at the

switch position

arc frozen. All transmitter con

trols exccpt the test trtinsmis-

sion button are disabled. This

prevents inadvertant alteration

transmitter settings.

When

transmission is possible,

the pilot lamp lights

red and

the

icon lights in the camera

viewfinder.

When the

icon lights in the

camera viewfinder, it indicates

that the ST

E2 is able

trans

mit. When Speedlite 550EX

rechareed and readv to fire. its

AE-assist beam emiiter blinks.

If the ST-E2

on and not

used for

sec., the SE

(Save Energy) feature takes

effect and turns off the

power automatically to save

battery power. The ST

turns back on when the

shutter button or test trans

mission button is pressed.

With a Type Acamera (EOS-

EOS Elan IIIIIE, EOS

50/50E, EOS 500NIRebel

EOS IX. EOS IX7IIX Lite)

equipped with E

ITL, the ST-

E2's E-ITL indicator lights.

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Readying the

550EX

(SlaveSetting)

(4)

Channel Setting

(1)

Slave settingIPoweron

(2)

Channel setting

RATIO

:*El

To prevent wireless signals from

being transmitted to unrelated

Speedlite

55OEX

units in the

vicinity, you can set a channel dif

ferent from the one used by the

unrelated Speedlite

550EX

units.

One of four channels can be set.

The ST-E2 (master)and slave

Speedlite(s)must be set to the

same channel No.

Press the

CH.

button and

select the desired channel.

Each time the button is pressed the

channel indicator changes in the fol

lowing loop:

The ST-E2 and Speedlite 550EX

Set the wireless selector to

SLAVE

HereinaRer, a

Speedlite

550EX

set to this

mode will be called a

slave.

The zoom setting is set automat

ically to

c7'lmm.

This can be

overridden manually.

Set the slave's main switch to

to turn it on.

When the Speedlite is ready to

fire, the AF

assist beam emitter

blinks conli~>uously

Hz.

Each time you press the

SEL/SET

button, the blink

ing display changes in the fol

lowing loop:

+m+-----

lights

While

blinking, press

the

butlon to

select the same channel

No.

the ST-E2's.

If the 550EX's channel No. is

different from the ST-E2's

channel No., wireless trans

mission will notwork.

must

be set to the samechannel No

COPY

Basic

Wireless

TTL

AutoflashOperation

press

the

SEL/SET,

button After the

and slave are ready, they can work within the area

regster the channel

N~,

(the shown below for easy wireless

E-TTI.

autoflash.

display

stops

blinking and

For explanatory purposes, the EOS

3 will be used as thesample camera here.

stayson).

(I)

Positioningof

and

slave

Attach the slave to the mini stand (equipped with tripod socket) which comes

with the 550EX.

Turn theSpeedlite's body (bouncefeature) so that the slave sensor fhccs toward

thcST

EZ.

Indoors, the slave position need not be so precise since the light will also bounce

off the walls.

After positioning the camera and slaves,

sure to test the wirclrss control

before taking a picture.

not place any obstructions between the

and slaves. Otherwise, remote

transmission may not bc achieved.

I26

21t

12m

I39

COPY

Basic Wireless

TTL

Autoflash Operation

(2)

Camera operation

(3)

Checking the ST-E2's

(4)

Wirelessoperation test

Set the camera for normal flash

pilot lamp and slave-

operation.

ready status

With the EOS

3, make sure the

ST-E2's flash ratio control

lamp is off. (If necessary, press

the

<RATIO

button to turn it

off.)

the flash ratio control

lamp is on, the Speedlite may

not fire or a correct exposure

may not be attained. After

turningoff the flash ratio con

trol lamp, set the main switch

<IioLD>

revent

the

'lash

Check that the

ST-E2's

pilot lamp Press the ST-E2's pilot lamp

ratio control lamp from light

ing inadvertantly.

is on and that theslave is ready. (which also functions as

test

When the slave is ready to fire, its

transmission button).

assist beam emitter flashes at

If everything is

OK,

slavc

will fire

followed by slave

(at

1/64

output).

If the slave(s)docs not fire, reposi-

1111111

tion the slave's angle or distance

toward the

ST-EZ

and

Lcst it :rg;lin.

When the ST-E2's pilot lamp

lights and the

icon lights in

the camera viewfinder, they

indicate that the ST-E2 is

ready for remote transmission.

They do not indicate that the

slave is ready (recharged).

COPY

Basic Wireless E-TTI.Autoflash O~eration

(5)

Takingthe pictureand

flash

confirmation

When you press theshutter but-

ton con~pletely,

wirrlcss signal

is transmitted

the slave, then

theslave fires a preflash and then

the main flash when the picture is

taken.

The subject's flash cxposurc reading

is obtained with the preflash and

used to set the main flash output.

Wireless flash photography is there

by executed with an optimum flash

ou1put.

When the correct flash exposure is

obtained, the ST-E2's flash confir

mation lamp lights for about 3 sec.

immediately after the flash fires. If

it does not light, the picture might

be underexposed. In this case, use a

larger aperture or place the slave

closer to the subject and repeat

steps (2)to

(5).

With the EOS

3, the model-

Ing flash can be fired to see

the lighting effects before

the piclure is taken. See

page 32.

The slave must be properly

positioned to receive the

wireless transmission.

After the picture is taken.

the slave's operation result

is displayed on the slave's

display panel.

the slave is in the SE

(Save Energy) mode, press-

ing the ST-E2's test trans-

mission button will cancel it.

When you press theshutter

button halfway and activate

the camera's exposure

meter, the ST

E2 cannot be

used to cancel the slave's SF:

mode or to execute a test

transmission. The camera's

exposure meter must turn

off (viewfinder's exposure

setting display turns off)

before the SE mode can be

canceled or a test transmis-

sion executed.

assist beam

Under low-light or low-contrast

conditions, the

ST-E2's

assist beam

emitted toassist

autofocusing.

The

assist

beam is compatible with the

EOS-3's Area AF. TheAF-assist

beam's effective range

about

0.6

meter to

meters

the

center and

0.6

meter to

metersalongtheperiphery.

The ST-E2's AF

assist bran>

can

emitted only while the ST-E:! is

attached to the EOS-3. In the

case

EOS

cameras with a built

in AF

assist beam emitter, the beam will

be emitted by thecamera.

The slave's AF

assist beam is not

emitted (except when the flash is

ready).

To prevent overheating, limit

the number of consecutive

wireless transmissions to

50.

After

consecutive wireless

transmissions, allow theST

to rest for

minutes.

COPY

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