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Overview of multiple flash operation
Multiple flash photography allows you to create more natural-looking pictures
by using several flash units to emphasize the subject’s shape or eliminate
shadows.
The following wireless multiple flash operations are available:
Multiple flash
operation
Advanced Wireless
Lighting (p. 76)
SU-4 type wireless
multiple flash
(p. 84)
Multiple flash
operation using cords
(p. 90)
• It’s not possible to use different types of multiple flash operations together.
•Wireless multiple flash operation using Speedlights featuring CLS is called “Advanced
Wireless Lighting”.
For cameras compatible with CLS and digital SLRs not compatible with CLS, set the
master flash unit’s flash mode to Auto Aperture B flash or Non-TTL auto A flash in
SU-4 type wireless multiple flash operation. In multiple flash operation using cords,
multiple flash shooting in M (manual) mode only is possible.
t Master flash unit and remote flash unit(s)
In this instruction manual, the flash unit mounted on the camera or the one directly
connected to the camera via a TTL Remote Cord, such as the SC-17, SC-28 or SC-29, is
called the master flash unit. All other flash units are called the remote flash units.
Usable cameras
Cameras compatible
with CLS
No limitation
No limitation
(TTL multiple flash
operation is not
possible with digital
SLRs.)
Usable Speedlights
Only those featuring CLS such
as SB-800 for both the master
and remote flash units.
Master flash unit: Speedlights
compatible with wireless flash
operation, those compatible
with the TTL mode, or the built-
in Speedlights on cameras so
equipped.
Remote flash unit: Except the
SB-23, all Speedlights
compatible with wireless flash
operation or those connected
to the optional Wireless Slave
Flash Controller SU-4.
Speedlights compatible with
the TTL mode.
• Speedligthts SB-11, SB-14,
SB-140, and SB-21B cannot
be used with the F-401/
N4004 or F-401s/N4004s as
either master or remote flash
units.