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Why is my Canon DSLR's shutter speed slower than what I've set in Tv mode?
From what I understand, when in Av mode, the flash behaves largely as fill flash - the exposure is more or less set as if no flash is in use. However, in Tv mode, the manual suggests the shutter speed ...
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Why do I get horizontal grey bar with flash at shutter speeds slower than max sync speed?
I'm a total newbie to flash photography, and I am just trying to do some test shooting with Canon Speedlite 580 EXII using my 7D.
I saw on the user manual that the maximum sync speed is 1/250 sec.
...
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