Have a flash that's been sitting, unused, for a long time? Or did you buy a used flash with an unknown history? Turn it on the wrong way and you may be in for a bit of a surprise.
Doesn't matter if it is a speedlight, an Alien Bee mono, a Profoto pack-and-head or whatever. Keep reading for a nifty little tidbit of info that may help you avoid seeing that "magic smoke" escape from your babies.
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Strobist
