Just bought a 2nd 550EX to use as a slave flash, using wireless E-TTL.
Followed instructions and tried to set the master flash (on camera) to
'OFF', but I noticed that when I fired the shutter both flashes pumped out
light. Yet when looking at the test shots on my D30, the main light seems to
come from the slave unit.
My questions are:
a) Am I doing something wrong?
b) Is the flash put out by the master unit just a trigger for the slave, and
of insufficient amount to register in the picture?
c) Is there a way of firing the slave unit without this 'trigger' flash?
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James McCauley
[EMAIL PROTECTED]
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