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View Full Version : will a Speedlite transmitter ST-E2 control a 540EZ flash

natottz
8th of July 2007 (Sun), 16:09
I have an extra 540ez sitting around and wondering if it will work with the transmitter?

I'm thinking of buying a ST-E2 transmitter.
PacAce
8th of July 2007 (Sun), 17:28
No, it won't. The ST-E2 only controls the EX series flashes 420EX and up.
natottz
8th of July 2007 (Sun), 17:34
will an aftermarket tramsmitter setup work with it?
PacAce
8th of July 2007 (Sun), 18:35
Not sure what you mean by "aftermarket" transmitter but in any event, the 540EZ does not have any type of remote slave capability built into it. You might be able to trigger it (at least once) by plugging it into an optical slave unit but I can't tell you how well that's going to work.
natottz
8th of July 2007 (Sun), 18:39
thank you!
FlashZebra
8th of July 2007 (Sun), 19:19
Not sure what you mean by "aftermarket" transmitter but in any event, the 540EZ does not have any type of remote slave capability built into it. You might be able to trigger it (at least once) by plugging it into an optical slave unit but I can't tell you how well that's going to work.
PacAce,

The optical slave stubbornness of the EX series flash units, does not seem to infect the EZ series. At least not on the 540EZ and 420EZ.

I have tried garden variety optical slaves on both the 540EZ and the 420EZ and they work fine.

So, Canon certainly knows how to make a sophisticated flash that is not so cantankerously with optical slaves. But, they also know how to make a sophisticated flash units that are very uncooperative (the EX series).

Enjoy! Lon
PacAce
8th of July 2007 (Sun), 20:28
PacAce,

The optical slave stubbornness of the EX series flash units, does not seem to infect the EZ series. At least not on the 540EZ and 420EZ.

I have tried garden variety optical slaves on both the 540EZ and the 420EZ and they work fine.

So, Canon certainly knows how to make a sophisticated flash that is not so cantankerously with optical slaves. But, they also know how to make a sophisticated flash units that are very uncooperative (the EX series).

Enjoy! Lon
Thanks for the info, Lon. That's good to know (although there's no telling how long or short it'll be before I forget it :lol: ).