Without direct side to side comparison I bet you will not see 0.2 stop
different even with Kodakchrome. The meter error (not real error but
reading complex scene is not like reading pure grey card) plus shutter
error can easily cause you over 0.2 stop. On the other hand I didn't
found the OM's OTF auto is very center-weighted, it is more likely
average. On the other hand the manual mode are more center weighted.
C.H.Ling
"John A. Lind" wrote:
>
> I won't make claim there's no difference in emulsion reflectivity as I
> haven't measured it, but all botched exposures have *clearly* been my
> doing, not the TTL metering system's. Some of these films, such as
> Kodachrome, are not very forgiving of exposure error. I make no
> compensation for normal lighting conditions! Both the OM-2S and OM-4 seem
> to be very robust in center-weighted TTL-OTF unless there's very strong
> back-lighting over a fairly large area of the frame with a shaded/shadowed
> subject. Must be something wrong with my OM-2S and OM-4 TTL metering.
> :-)
>
> -- John
>
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