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41
With one master unit and one slave unit or two slave groups, you can
set the flash ratio for E-TTL II autoflash shooting.
The example below has two slave units and the master unit disabled
from firing.
Two slave units can be assigned to different slave groups by setting the
slave ID.
1
Set the wireless mode to
<
x
>.
(p.36)
2
Press the <
G
> button
so that <
1
> blinks.
Flash Ratio with E-TTL II
Setting the Slave Units
A
B
80
o
10m (32.8ft.)
8m (26.2ft.)
12m (39.4ft.)
15m (49.2ft.)
Indoors
Outdoors
A65_03.fm Page 41 Thursday, November 23, 2006 1:27 PM
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Summary of Contents for 580EX - Speedlite II - Hot-shoe clip-on Flash
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