Nikon Z9 Mirrorless Camera - Manual (Page 834)

834 Compatible Flash Units
1 Available during close-up photography only.
2 Not available when RPT is selected as the flash control mode for the
remote flash unit.
3 Available only when i-TTL is selected as the flash control mode for the
remote flash unit or when the flash is configured to emit monitor
preflashes in mode
q A .
Radio-controlled Advanced Wireless Lighting —
Color Information Communication (flash) —
Color Information Communication (LED light) —
Auto FP high-speed sync
4 2
FV lock 4 3
Red-eye reduction —
Camera modeling illumination
4
Unified flash control —
Camera flash unit firmware update —
Supported features