Owner's Manual

59
' Radio Transmission Wireless Flash Photography
You can divide the slave units into two or three groups and perform
E-TTL II/E-TTL autoflash photography while changing the flash ratio
(flash output rate).
In addition, you can set and shoot in a different flash mode for each
firing group with up to 5 groups (p.60).
Autoflash Photography with Slave Groups
Wireless Multiple Flash Photography
A
B
A
B
C
2 (A, B) groups (p.73) 3 (A, B, C) groups (p.75)
The transmission distance may be shorter depending on the conditions
such as the positioning of slave flashes, the surrounding environment,
and weather conditions.
Before shooting, perform a test flash (p.21) and test shooting.