At 12:03 AM +0000 1/1/02, olympus-digest wrote:
>
>Date: Mon, 31 Dec 2001 15:03:50 -0800
>From: dreammoose <dreammoose@xxxxxxxxx>
>Subject: Re: [OM] Which is sharper, autofocus or manual focus?
>
>Joe, you left something out: ".. if those bodies are all correctly
>adjusted" - and have the same vibration characteristics!. Testing the
>same lens on an OM-1 with mirror lock up vs. an OM-4 with mirror and
>diaphram prefire is not a clear test of body adjustment alone, although
>that could be one factor. The rather consistently superior performance
>of different prefire cameras suggests that vibration issues are greater
>than adjustment issues in this particular case.
You could well be correct. Another reason to question those results. But I
still recall being surprised by my badly adjusted OM-1, and have to wonder if
this isn't far more common than one would wish. Ed Romney thought so.
Joe Gwinn
> >Joe Gwinn wrote:
> >
> >>It strikes me that the lens tests published at
> >><http://members.aol.com/olympusom/lenstests/default.htm> may suffer from
> >>this, as one would expect that a given lens (same serial number) would
> >>always perform the same regardless of which camera body (by model or serial
> >>number) it's installed in, if and only if those bodies are all correctly
> >>adjusted. And yet the results differ from body to body.
> >>
> >>Joe Gwinn
> >>
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