
Fully Automatic Wireless Flash
~lf6~
This method has all the Speedlites fire at the same flash output with E-
TTL
II
autoflash controlling the total flash output.
ETTL
~Zoom
2Ymm
;'¥~
Set the camera-attached 580EX
II
~\
~
as the master unit.
ETTL
~Zoom
2Ymm
:=K)
..
7...
_ 2
.,,·V
4
-
A
ETTL
~Zoom
2Ymm
~~
:z.~A
Set the other 580EX
II
Speedlites(s) as the wireless
slave unit(s).
~
Check the communication
;.~~
,,~~"
channel.
.~
If the master unit and slave unit(s) are
set to a different channel, set them all
to the same channel (pAO).
Position the camera and
Speed
lites.
Position the Speedlites within the
range shown on the next page.
I:
Set the master unit's flash mode
~
to <ETTL>.
$ For shooting, <
ETTl
> will also be
set automatically for the slave unit(s).
Check that the flash
is
ready.
@,
When the slave unit(s)
is
ready to fire,
the AF-assist beam will blink at 1-sec.
intervals.
37
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