Thanks, Ralf / Roger!
> OM-F/G and OM-40 have a fixed focussing screen.
I do apologize for my superficiality! :( I perfectly knew that!!!
> OM-4Ti does all light measuring in the camera's light box,
> so the focussing screen has no effect on light
> measurement.
The point was just this, for what I knew (I do admit my ignorance!), I thought
that the OM-4Ti / 2SP light measurements, when not in manual / spot mode, were
done with a similar pair of cds cells in the pentaprism as the OM1/2 do...
Do you have any URL to suggest, for me to know how the OM-2SP/4-Ti auto
metering mode does precisely work (and I don't mean the OTF direct light
measurement, but the exposure time estimate)? It's just for curiosity's sake...
Thanks again!
Fabio
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Ti aspettiamo!
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