> >The metering system uses two CdS sensors to estimate
> >the shutter speed, but also has two silicon blue
> >sensors that read the light reflected off the
> >first shutter blind, or off the film when long
> >exposures are used. During manual exposure, only the
> >CdS sensors are used.
>
> I've been wondering about this. I understand that the
> first shutter curtain has a black and white checker
> pattern which is used to center weight the meter's
> sensitivity. The OM-2 had two different versions of
> this, one more emphasized then the other. However,
> what happens when the exposure is significantly longer
> then 1/60? The checker pattern will have very little
> effect on the meters. Are longer exposures less
> center weighted because of this?
Yes.
tOM--
--------- http://groups.yahoo.com/group/Olympus-Documentation
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tOM Trottier, ICQ:57647974 http://abacurial.com
758 Albert St, Ottawa ON Canada K1R 7V8
+1 613 860-6633 fax:231-6115 N45.412 W75.714
"The moment one gives close attention to anything,
even a blade of grass, it becomes a mysterious,
awesome, indescribably magnificent world in itself --
Henry Miller, 1891-1980
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