Canon Speedlite Transmitter ST-E2 User manual

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CT1-7782-000 © CANON INC. 2007 PRINTED IN JAPAN

2007.01.01

English

INSTRUCTION MANUAL

Speedlite Transmitter

ST-E2

English

Speedlite Transmitter

ST-E2

ST-E2_E.fm Page 1 Monday, May 1, 2006 4:09 PM

Thank you for purchasing a Canon product.

The Canon Speedlite Transmitter ST-E2 is a wireless transmitter for

controlling up to two flash slave groups consisting of Canon Speedlites

compatible with wireless flash shooting.

Also refer to the instruction manual of your camera and

Speedlite.

Before using the ST-E2, read this instruction manual and the instruction

manuals for your camera and Speedlite. Familiarize yourself with the operation

of each before using the ST-E2.

It is automatically compatible with the camera’s flash metering

mode (E-TTL ll, E-TTL, or TTL).

The camera controls the ST-E2 automatically in the following flash metering

modes:

1. E-TTL II autoflash (evaluative flash metering with preflash reading/lens

distance information)

2. E-TTL autoflash (evaluative flash metering with preflash reading)

3. TTL autoflash (off-the-film metering for real-time flash metering)

Regarding the camera’s available flash metering modes, refer to the

“External Speedlite” specification in the “Specifications” of your

camera’s instruction manual.

The camera instruction manual’s chapter on flash photography will refer

to cameras having 1 and 2 above as a Type-A camera (compatible

with E-TTL II or E-TTL). And cameras having 3(compatible with only

with TTL) are called Type-B cameras.

* This instruction manual assumes that you are using the ST-E2 with a Type-

A camera.

If the ST-E2 is used with a Type-B camera, only manual flash shooting and

stroboscopic flash will be possible.

ST-E2_E.fm Page 2 Monday, May 1, 2006 4:09 PM

Nomenclature...................................................................... 4

Installing the Battery .......................................................... 6

Attaching to the Camera .................................................... 6

Turn on the Power Switch.................................................. 7

Fully Automatic Wireless Flash......................................... 8

Flash Ratio with E-TTL II .................................................. 10

Troubleshooting Guide .................................................... 13

Specifications ................................................................... 14

The operation procedures in this instruction manual assume that

both the camera and ST-E2’s power switches are ON.

Icons are used in the text to indicate the respective buttons, dials,

and settings. They match the same icons found on the camera and

ST-E2.

Reference page numbers are indicated by (p.**).

This instruction manual uses the following alert symbols:

: The Caution symbol indicates a warning to prevent shooting

problems.

: The Note symbol gives supplemental information.

Contents

Conventions Used in this Manual

ST-E2_E.fm Page 3 Monday, May 1, 2006 4:09 PM

Under low-light or low-contrast conditions, the built-in AF-assist beam

will be emitted automatically to make it eaasier to autofocus. The ST-

E2’s AF-assist beam is compatible with the AF points of almost all EOS

cameras. The AF-assist beam is compatible with 28mm and longer

lenses. The effective range is shown below.

Nomenclature

About the AF-Assist Beam

Position Effective Range (m / ft)

Center 0.6 - 10 / 2 - 32.8

Periphery 0.6 - 5 / 2 - 16.4

Mounting foot’s

lock lever

Mounting foot

Contacts

Locking pin

Transmitter

F-assist beam

emitter

ST-E2_E.fm Page 4 Tuesday, May 9, 2006 2:25 PM

Flash ratio indicator

Power switch

Flash exposure

confirmation lamp

<8> <9> Flash ratio

adjustment button

E-TTL lamp

High-speed sync lamp

<F> High-speed

sync (FP flash)

button

<J> Pilot lamp/

Test transmission button

<w> Channel

button

Channel

indicator

Flash ratio control

lamp

<y> Flash ratio button

Battery compartment cover

’

ST-E2_E.fm Page 5 Monday, December 11, 2006 11:24 AM

Use one lithium 2CR5 battery.

1Remove the cover.

Slide the battery compartment cover

as shown by the arrow and remove.

2Insert the battery.

Insert the battery as shown.

3Close the cover.

Slide the cover back to its closed

position.

Installing the Battery

1Slide the lever to the right.

2Attach the ST-E2.

Slip the ST-E2’s mounting foot into

the camera’s hot shoe all the way.

3Secure the ST-E2.

Slide the mounting foot’s lock lever to

the left. The locking pin will then

protrude to secure the ST-E2 to the

camera.

To detach the ST-E2, slide the

mounting foot’s lock lever to the right

and detach.

Attaching to the Camera

ST-E2_E.fm Page 6 Monday, May 1, 2006 6:37 PM

1Turn on the power switch.

Set the power switch to <K>.

XThe <a> lamp will light.

2Check that the <J> lamp is

on.

When the <J> lamp is on, it is

ready for wireless flash control.

To save battery power, the power will turn off automatically after 90 sec.

of idle use. To turn on the ST-E2 again, press the camera’s shutter

button halfway.

If there is another Canon wireless flash system nearby, you can change

the channel No. to prevent signal confusion. Both the ST-E2 and slave

units (p.8) must be set to the same channel No.

Set the channel No.

Press the <w> button to set the

desired channel.

XThe channel number changes each

time you press the button.

Turn on the Power Switch

About Auto Power Off

Setting Communication Channel

<7> retains the settings made at the <K> position and the ST-E2 will

not respond to any operation except test transmissions. This prevents the

current settings from being altered accidentally. After you set the flash

settings, setting the power switch to <7> is recommended.

ST-E2_E.fm Page 7 Monday, May 1, 2006 4:09 PM

This method has all the Speedlites fire at the same flash output with E-TTL II

autoflash controlling the total flash output to obtain a standard flash exposure.

1Set the slave unit(s).

As for the setting procedure, refer to the

slave Speedlite’s instruction manual.

Check the communication channel.

If the ST-E2 and slave unit(s) are set

to a different channel, set them all to

the same channel (p.7).

Position the camera and Speedlites as desired.

Position the Speedlites within the

range shown on the next page.

4Check that the flash is ready.

When the slave unit(s) is ready to fire,

the AF-assist beam will blink for 1

sec.

5Check that the wireless flash

system works.

Press the ST-E2’s <J> (test

transmission) button.

XThe slave unit will fire.

If the flash does not fire, adjust the

slave unit’s angle toward the master

unit and distance from the master unit.

6Set the camera and shoot.

Set the camera in the same way as

with normal flash shooting.

If a standard flash exposure was

obtained, the flash exposure confirmation

lamp will light for about 3 sec.

Fully Automatic Wireless Flash

ST-E2_E.fm Page 8 Tuesday, May 9, 2006 2:25 PM

Use the bounce feature to swing the slave unit’s flash body so that

the wireless sensor faces the master unit.

Use the mini stands (equipped with tripod socket) provided with the

Speedlites to prop them up as slave units.

Indoors, the wireless signal may also bounce off the wall so there is

more leeway in positioning the slave unit(s).

After positioning the slave unit(s), be sure to test the wireless

operation before shooting.

Do not place any obstacles between the ST-E2 and slave unit(s).

Obstacles can block the transmission of wireless signals.

15m (49.2ft.)

10m (32.8ft.)

8m (26.2ft.)

80°

12m (39.4ft.)

Indoors

Outdoors

Make sure the ST-E2’s flash ratio control lamp is off. If the flash ratio control lamp

is on, the Speedlite may not fire or a standard exposure may not be attained.

When the ST-E2’s pilot lamp lights and the <Q> 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).

If the flash exposure confirmation lamp did not light, move the slave

unit(s) closer to the subject and shoot again. With a digital camera, you

can also increase the camera’s ISO speed.

If auto power off turns off the slave unit, press the ST-E2’s <

> button to

send a test transmission. This will turn on the slave unit.

Test transmission is not possible while the camera’s

and

timer is in effect.

ST-E2_E.fm Page 9 Monday, May 1, 2006 4:29 PM

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