Speedlite transmitter st-e2 (sold separately) – Canon 550EX User Manual
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• 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 autotlash
O
O
High-speed sync
o
o
FE lock
0
0
Flash exposure compensation
o
X*
FEB (Flash exposure bracketing)
0
X
Flash ratio control/Group control
O/A, B,C
0/A.B
Manual flash mode
o
X*
Stroboscopic flash
o
X*
Second-curtain sync
X
X
Modeling flash
o
O
* Settable with the slave unit.
For details,
see the Speedlite Transmitter
ST-E2 Instructions.
1^ When using the Speedlite Transmitter ST-E2 with a Type-A camera, also read pages 112
L|l to 125.
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