Canon 550EX manual Speedlite Transmitter ST-E2 Sold separately, For details

●Speedlite Transmitter ST-E2 (Sold separately)

Speedlite Transmitter ST-E2 serves as the master unit for wireless Speedlite 550EX control. It can control up to two slave unit groups (A and B). It is attached directly to the camera’s hot shoe. As a master unit, the differences between the 550EX and Speedlite Transmitter ST-E2 are listed below.

Wireless Functions	Unit	550EX	ST-E2
E-TTL autoflash		?	?
High-speed sync		?	?
FE lock		?	?
Flash exposure compensation		?	X*
FEB (Flash exposure bracketing)		?	X
Flash ratio control/Group control		? / A, B, C	? / A, B
Manual flash mode		?	X*
Stroboscopic flash		?	X*
Second-curtain sync		X	X
Modeling flash		?	?
* Settable with the slave unit.

For details,

see the Speedlite Transmitter ST-E2 Instructions.

EYE CONTROL

When using the Speedlite Transmitter ST-E2 with a Type-A camera, also read pages 112 to 125.

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