Canon 580EX II vs Sigma EF610 DG SUPER (first hand experiences?)

Started Apr 1, 2012 | Discussions thread
nikoboivin Regular Member • Posts: 157
Re: sigma is good :)

What the documentation means is that your canon camera won't see the sigma flash. Meaning that you won't be able to trigger it in groups or to set the power of the flash directly from your camera. The optical slave still works within line of sight no matter what triggers it. For me, I found the cactus triggers to be more reliable than optical slaves, but that's just for reliability.

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