XOSNI wrote:
>
> I have a problem in my portraits: blinking eyes. I shoot in my mini studio
> using a strobe & flashes. The camera is pentax 6x7 with flash synchro speed
> of 1/30. Why do I always get these blinking eyes? It has to be a
> multifactorial cause, the relatively long exposure time (1/30) & the
> strobefiring duration.
It has nothing to do with the 1/30 sync speed. Your flash fires for a
much shorter period of time than 1/30 of a second, so you are
effectively only exposing the film for less than 1/1000 of a second,
unless you have a large amount of other light (from powerful tungsten
lights or a window or something like that).
The problem you are having is one of timing. The only thing to do about
it is watch the person that you are photographing and shoot after
they've blinked. :)
Are you warning the subject that you are about to shoot or anything like
that? I find if people know that the picture is about to be taken they
blink for sure.
-Aaron
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