Neil K. wrote:
> I'm working on an EOS flash document and have a goofy
> flash-related question.
>
> I know that a symptom of exceeding the X-sync of your camera when
> using flash can be a darkened bar that runs the width of the image -
> the flash isn't able to expose fully the image area when the shutter
> gap is reduced to a narrow slit formed by the two curtains.
>
> However, I've had such bars appear on photos taken with my
> EOS gear.
> How is this possible? My EOS cameras (an Elan and a 10s; neither of
> which support FP flash) don't let me exceed the X-sync shutter speed
> when flash is turned on.
>
> Any ideas? Am I missing something obvious? I'm using a 430EZ flash,
> so it's not something to do with a studio strobe.
>
------------------------------------------------------------------------
Hi Neil,
Are you in manual when you are using flash? Or P mode?
Does this happen with either camera? If so, we can
eliminate the camera being at fault.
Did you accidentally set the flash for a different mode, like
secondary curtain sync?
Here is a suggestion. Verify the shutter speed. Set M mode with
shutter at 1/60 seconds and aperture of F8. Take a photo and see if
you still get the bar. Also take another shot at 1/125 and see
what happens then. Perhaps the sync is not working as it should.
Try other modes and verify the shutter speed each time. Write these
down and when you get the prints back note each one and see where the
problem lies. It could be something amiss with a mode.
Peter K
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