No return calls from Pentax as of Friday.
I did some testing Saturday, with our new flowers in the garden. Shot
the DA 50 f2.8 and the FA 100 f2.8, tripod as expected.:-)
Wrote down exact focus point, and did the 50 first and the 100 second.
Seems from what i see on my monitor, the DA is still
Were these true macro shots, as in 1:3 or tighter? You can't really
expect good autofocus performance on macro shots. They demand manual
focus. You really need to test manually to see if you have a mirror
box problem. If you're hoping to get great autofocus perfromance on
close in macro
- Original Message -
From: Paul Stenquist
Subject: Re: K10D is back, again
Were these true macro shots, as in 1:3 or tighter? You can't really
expect good autofocus performance on macro shots. They demand manual
focus. You really need to test manually to see if you have
totally melt down,.
:-)
Dave
Dave
On Sun, Apr 20, 2008 at 2:06 PM, William Robb [EMAIL PROTECTED] wrote:
- Original Message -
From: Paul Stenquist
Subject: Re: K10D is back, again
Were these true macro shots, as in 1:3 or tighter? You can't really
expect good autofocus
Yes its in both, as it was in MF that i first noticed the problem at
wide or near wide open.
I did a quick down and dirty test with the DA 50 at F2.8 on the istD
and it looks much better, on the little LCD screen. I have not looked
at it on my computer.
I'll call Pentax and discuss
Dave
On
Just out of curiosity, is there some standard way to test this? I have
not seen any focusing issues with my camera and lenses (because so
many pictures are out of focus, which is of course user error), but I
was wondering if there is a way to find out.
Thanks.
Marcus
--
Am 16.04.2008 um
Manual and AF Paul. It looks perfectly fine in the finder.
I'll do some more tests today, and print some 4x6 pictures and call
them and discuss the mirror box with them.
I have 1 shot, with the DA 50, focused on the side of some ones head,
about 15' away, and the door behind him is in focus,
I'm just curious. Does anyone know how widespread this kind of problem
is? What I mean is 1) Do other manufacturers have the same level of QC
problems, and 2) do the older film cameras and lenses have the same
issues? I never really checked my film cameras. I noticed a small back
focus with my
If it happens with manual and autofocus it has to be either the
mirror box or the lens. Pentax probably checked only the autofocus.
You have to tell them it's NOT an autofocus problem. That's the kind
of service they customarily have to provide, so if you don't make it
clear that you have
Every manufacturer has autofocus problems. It's an imprecise science
in terms of the match between cameras and lenses. But David DOES NOT
HAVE AN AUTOFOCUS PROBLEM! :-)) The conversation keeps going back to
that, and I think it's leading him in the wrong direction.
On Apr 16, 2008, at
Yes, other manufacturers have QC problems like this. The final QC has
always been the consumer, but the QC at the manufacturer was better in
the past. QC costs money, and in my experience is usually done by
technicians who wish they were doing something else, that paid better.
Much easier
Initial test with the new DA 50 F2,8, still shows about a 4cm back
focus at F2.8.
So now what, send in the 50, the FA 100, back with the camera. Pentax
said all i ok, and if i'm not happy, to do just that.,
If so, do they match up the lenses like the K20D does.
This is so bogus, i can see no
4cm is huge. That's not on the order of matching up lenses, as with
the K20D. Either there's a major mirror box problem that they're
missing or the lens is severely out of whack. Is it out of whack when
you manual focus as well? If so, it's probably the mirror box.
Paul
On Apr 15, 2008, at
Mr Purolator arrived about 5 minutes after i got back from my PM run.
I'll test it Tuesday.
There is a letter inside saying focus checked and is ok. If problem is
still evident, to send in the lenses.
That will be an expensive courior bill. If i have to, i'll drive them in.
Dave
--
Equine
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