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01-01-10, 09:29 AM
Join Date: Jul 2009
I have just received a 580ex speedlite to work with my 430ex that I have had for about a year. I want to use the two together 580ex as master commanding the 430ex as a slave.
I have now read the Canon instruction book and J. Dennis Thomas's Speedlite System digital field guide on how to work it but I am still confused, (or thick!!).
When you use the two together, is the master group A and the slave group B? Or, is the master just a master?
If I had 3 speedlites would that be master plus groups A & B or is it A+B+C? Told you I was confused.
The reason I ask is that I want to use the master, 580ex on camera as a mild fill light and the slave, 430ex set to one side as the main light to cast the shadows I desire on my subject.
If anyone knows how to change the settings for power to the units, help would overcome my frustration.
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