On Sun, 23 Mar 2008 09:27:24 -0400, Robert Coe <bob@[EMAIL PROTECTED]
> wrote:
>If you have flash enabled, the camera will refuse to use any shutter
speed so
>fast that the first curtain has started to close before the second
curtain has
>finished opening. On my XTi that's anything over 1/200 sec.; on the 30D,
which
>is a bit older, the limit may very well be 1/125. So make sure the
camera's
>settings allow it to stop down enough to compensate for the slow shutter
>speed, and pay attention to the warning lights.
>
>Note that this effect has nothing to do with the speed of the flash, only
with
>the fact that the shutter must be fully open when it fires.
>
>Bob
What the hell are you talking about? You don't have a clue at all, yet
here you are spouting off like you are an expert or something. The 30D
sync speed is NOT 1/125, nothing in the Canon line is. It is twice the
camera of the XTi, even if it is a "bit older".
The 30D, and even your XTi piece of plastic crap, can sync with a
580EX at *any* shutter speed. That was what the OP was asking in the
1st place, high speed sync. Read a little more, maybe run off to
Wikipedia and learn something. Or even read your manual, it's in there
too.
Dumbass.
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