My K20D front focused with the FA 50/1.4. I had to adjust the the
camera using the menu option for focus fine tuning.
Paul
On Aug 1, 2009, at 7:45 AM, Larry Colen wrote:
When I was shooting with my pfa-50/1.4 tonight, there were several
times that the camera shot in af-c mode without refocusing, when I
expected it to refocus.
A lot of the shots with that lens seem to be way out of focus. Are any
lenses particularly prone to tricking the camera into thinking that
they are in focus, when they actually aren't?
I don't seem to have this problem on other lenses.
It doesn't seem to be a motion blur issue.
I was shooting tonight, in raw, in several modes of high iso noise
reduction at ISO 3200. At first glance it doesn't seem to make any
difference, though I'll still have to test more scientifically.
I got a call from Mark Davis at Pentax today to discuss my
issues. Without looking at my pictures he seemed to think that my
camera sounded like it was performing nominally. After the
conversation, I emailed him the links, with explanations, to my
various test sets, but I haven't heard back.
A lot of frustrating things may be happening with my camera, many of
them quite likely my doing, but I must commend Pentax, and especially
John C, because they seem to be making every reasonable, and perhaps
even some more than reasonable, effort to resolve the issue.
On the bright side, I seem to be learning a lot about my camera.
--
The first step is learning to take great photos,
the second step is learning to throw away ones that are merely good.
Larry Colen [email protected] http://www.red4est.com/lrc
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