> ....  Though, once again thinking about it, I do most of my shooting 
> when it is dark and where even the best AF would have trouble.  If I am 
> going to be shooting on manual focus, I might as well have lenses that 
> manually focus smoothly.

You might be surprised at what even old autofocus systems can do.
My F4 (yeah, it's not a Pentax, it just sits next to them and hopes
the SMC will rub off a bit :) can focus through a slow (f5.6) zoom in
a dark room lit by a dim candle better than I can.   Certainly, it has
to have a vertical line to do it with, as it doesn't have a cross-type
AF sensor.   But if there is an edge ... boom ... in focus all the time.

The AF on the PZ-1p is similar to the F4, though not as old, so it
should do at least as well.  From reports on the PDML that seems to
be true.  Tne newer Pentax AF bodies with wider? cross-type sensors
should do better, at least as good as my brother's N-60 which locks
on more often than my F4, but can still go seeking focus every once
in a while.  The MZ-S should be better still.

[Unfortunately] I don't have any Pentax AF bodies or lenses yet, so
I can't compare them head to head -- I can just compare the technology.

Bolo -- Josef T. Burger
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