New answers tagged speedlite
Is there a way to use HSS off-camera with the current equipment, or with additional minimum investment? You can use a Canon 90EX as a relatively inexpensive ($129) master unit that will drive the 430EX II in slave mode. The 90EX doesn't offer high speed sync itself, but it works fine with the 6D to trigger slaves such as the 430EX II that can do HSS.
I bought the Neewer/Viltrox f210. They doo Ettl and HSS. Their only drawback is they're not very rugged. Functionally they are fine. $50/pair so I bought and extra two
The trigger voltage you are worrying about doesn't come from the camera; it's all in the flash. All the camera does, in effect, is "flip a switch"; it shorts out the centre pin of the flash and the contacts at the side of the flash's foot. The voltage problem comes from the kind of "switch" used to short out those contacts. In (most) modern cameras, that ...
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