Question about Canon SPEEDLITE 580EX TTL Flash

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Canon Speedlite 580EX

I want to buy the Canon Speedlite 580EX,I already have the the Canon Speedlite 430EX. Will the 430EX automatically become a slave to the 580EX transmitter or do I need to get the Canon STE2 Speedlite Transmitter ?

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Re: Canon Speedlite 580EX

Buy the 550EX, it's cheaper

Master /or Slave = 550
Slave = other


Posted on Dec 22, 2007

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Re: Canon Speedlite 580EX

If u set the 580ex on master and the 430 EX on slave it works :) u dont need STE2 for this simple task.

Posted on Nov 18, 2007

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Canon Speedlite 580ex ii - won't work with camera

Caroline, you should try to set the camera on "M" and the flash in 2nd curtain flash sync.

Or set flash in ATG wireless IR ETTL Slave modes and pop-up the flash on Canon EOS-70D.


Feb 08, 2014 | Canon SPEEDLITE 580EX TTL Flash

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Yeah you should go into the menu on your camera and see if there is anything you need to change!!

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Canon 430EX flash will not flash in slave mode.

This site worked foe me

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I have a Canon Speedlite 580EX, the flash will not go off.

Perhaps the unit is set to master/slave mode. Look into that.

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1 Answer

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the best will be to take the flash to a canon repair center

you can try to repair it yourself, you will need a peace like this:

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