> Simply put, the ZX-5n which the original poster said he was
> using has a
> sync of 1/100. To hand hold, 1/200th is preferable for the
> 200mm, and 1/180
> for the 180mm.
I followed my own suggestions and checked Pentax and Boz's web pages. I was
amazed to learn that the max flash sync of the ZX-5n is indeed 1/100th!!!
That is amazing for a camera that was introduced in 1997!!! One of my "off
brand" cameras is much older than that (1983 or so) and it syncs at 1/250th.
The ZX-5n is a lot newer than the PZ-1p but the PZ-1p syncs at 1/250th too.
So, consider me corrected.
The answer to camera shake could possibly be shooting in lower ambient light
with a powerful flash and a smaller aperture, thereby making the effective
shutter speed the duration of the electronic flash, which will usually be a
lot faster than a 1/100th second shutter speed.
So, I guess the answer could be to use a higher powered, shorter duration,
electronic flash when limited to slow sync speeds.
Len
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