Canon EOS 80D - Manual (Page 253)

253
Wireless Flash PhotographyN
 Flash exposure compensation
When [Flash mode] is set to [E-TTL II], flash exposure compensation
can be set. The flash exposure compensation settings (see below) that
can be set vary depending on the [Wireless func.] and [Firing group]
settings.
Flash exposure compensation
 The set amount of flash exposure
compensation will be applied to the
built-in flash and all the external
Speedlites.
2 exp. comp.
 Flash exposure compensation is
applied only to the built-in flash.
1 exp. comp.
 The set amount of flash exposure
compensation will be applied to all
the external Speedlites.
 FE lock
If [Flash mode] is set to [E-TTL II], you can press the <A> button to
perform FE lock (p.232).
Creative Wireless Flash Shooting