New answers tagged speedlite
Given that everything's on manual, that you're firing the flash at full power (1/1), and that you think waiting one second between shots is sufficient, I'm going to take an educated guess and say that your problem is that you're not waiting for the flash to fully recycle before you take a shot and/or you've got the power level on the flash set too high. It ...
The black bar you are seeing is the curtain from your shutter. Your shutter speed (1/500) is faster than your camera's flash sync speed (1/200). To get rid of the black bars, you either need to enable "high speed sync" on your flash (if it has the feature), or choose a shutter speed of 1/200 or slower.
You see the curtain of your camera: nice, no? If you want to avoid that with mark III , use a shutter speed lower than 1/200s You could use high flash speed sync, but I am quite sure that your flash can't use that, so with this flash, your only solution will be under 1/200s or use a ND filter to have less light entering your lens Check this tutorial on ...
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