Nikon Z9 Mirrorless Camera - Manual (Page 820)

820 Compatible Flash Units
1 Not available with spot metering.
2 Can also be selected via the flash unit.
3 q A / A mode selection is performed on the flash unit using custom
settings.
4 Choice of q A and A depends on the option selected with the master
flash.
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.
7 Firmware updates for the SB-910 and SB-900 can be performed from the
camera.
Radio-controlled Advanced Wireless Lighting —
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 —
Camera flash unit firmware update 4 7
Supported features