I'm trying to use a Speedlite 420ex on a Canon 50d. The flash fires, but the autozoom position indicator on the back is just flashing on 50 regardless of the focusing distance.
Am I doing something stupid, or is there a problem with the flash or my settings?
I don't even know whether the light should flash, or just remain lit?
Am I doing something stupid, or is there a problem with the flash or my settings?
I don't even know whether the light should flash, or just remain lit?
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