By my reading of the SIF for the OM-PC, Paul, ESP is OTF - the SIF speaks of
determination of shutter speed at the point of exposure.
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Pschings@xxxxxxx
Sent: 25 August 2004 21:14
To: olympus@xxxxxxxxxx
Cc: roland.ruehl@xxxxxxx
Subject: [OM] Re: om4ti, continuous shutter speeds?
In a message dated 8/25/2004 4:07:17 PM Eastern Daylight Time,
roland.ruehl@xxxxxxx writes:
> Unfortunately I do not own a 4. But I have always wondered how
> off-the-film measurement (and dynamic speeds) works together with
> multi-spot measurement. Say, for example, you have defined two spots,
> and then during a long exposure, the spots change light differently,
> what happens ? Does the camera simply perform an overall level adjustment
?
When using spot metering in auto mode on the OM-4 the exposure is set before
the shutter is fired, when you make your readings. OTF is center-weighted
only.
Does anyone know if the ESP metering on the OM-PC/OM-40 is OTF or determined
before the shutter is fired?
Paul Schings
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