I believe there is only a "combination" of metering when the shutter speeds
are from 1/15 to 1/60. At shutter speeds of 1/8 and slower the meter reads only
from the film.
George S.
andrew@xxxxxxxxxxxxxxxxxx writes:
> Because metering starts at the release of the first shutter curtain, some
> of the light measured is off the curtain, the reflectance of which is
> similar to film (somewhere in the archives I've seen posted the values for
> different films). This is mentioned in Moose's reply as complicating
> the design of a centre-weighted OTF system.
>
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