Third light?

Davyboy

Davyboy

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Hi folks, I have two a studio light set up, but need to know if it's possible to trigger a 580 ex flash gun as a third light, for say lighting the background. If it is, this would obviously save me purchasing another flash head. The lights I have have IR sensors, excuse my ignorance if it's not possible.
 
Yes it's possible.

For the 'how' we probably need more info, re your current triggering habits.
 
Thanks Phil, There's a third party transmitter on the hotshoe, and in the sync slot on the lamp, there's a third party receiver. Just a thought, but would the flash off the lights trigger the flash on the 580, if it was set to slave?
 
Davyboy said:
Thanks Phil, There's a third party transmitter on the hotshoe, and in the sync slot on the lamp, there's a third party receiver. Just a thought, but would the flash off the lights trigger the flash on the 580, if it was set to slave?
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No, there's no 'optical slave' on the Canpn. Can the receivers you have be attached to the 580? The studio lights will almost certainly have an optical slave mode.
 
Ok Phil, I thought the Off, Master, and Slave settings on the 580 EX might work. (Maybe only with another Speedlite) There are a couple of other sockets but I don't recognise either, one is a three pin. I could maybe switch to a Younguo set up, as I've got three of those receivers, not too sure of the fittings though.
 
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Davyboy said:
Ok Phil, I thought the Off, Master, and Slave settings on the 580 EX might work. (Maybe only with another Speedlite) There are a couple of other sockets but I don't recognise either, one is a three pin. I could maybe switch to a Younguo set up, as I've got three of those receivers, not too sure of the fittings though.
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The off, Master and Slave settings are for the Canon 'wireless' system that needs line of sight and uses light pulses.

It can be fired by a wireless trigger connected at the hotshoe, or connected by the PC cord. I don't know which YN receivers you have, but they'll almost certainly give you options. (The 3 pin connection is for a power pack),
 
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