818
Compatible Flash Units
1
Not available with spot metering.
2
Can also be selected via the flash unit.
3
Choice of
q
A
and
A
depends on the option selected with the master
flash.
4
Supports the same features as remote flash units with optical AWL.
5
Available only in
i-TTL
,
q
A
,
A
,
GN
, and
M
flash-control modes.
6
Available only in
i-TTL
flash control mode or when the flash is configured
to emit monitor preflashes in
q
A
or
A
flash control mode.
Radio-controlled Advanced Wireless Lighting
4
4
Color Information Communication (flash)
4
Color Information Communication (LED light)
—
Auto FP high-speed sync
4
5
FV lock
4
6
Red-eye reduction
4
Camera modeling illumination
4
Unified flash control
4
Camera flash unit firmware update
4
Supported features