C.H.Ling wrote:
>
>I have just performed an experiment, with a Zuiko 100/2 and OM4Ti mount on
>tripod, focus to plain wall. Without inserting film, in auto mode, adjust
>the aperture to let the reading goes to 60s+1/3 stop, turn memory on,
>trigger the shutter, the memory read 60s+1/3.
Did this (twice), my memoryreading is 1/125 s. (!)
>
>Clear the memory, adjust the aperture again to let the reading goes to
>60s-1/3 stop, turn memory on, trigger the shutter and read 8s+1/3.
>
Did this (twice), memoryreading is 1/125 s AGAIN. (?)
>If the curtain is take part in the light measurement at below 1/60s. I
>don't think the reading will drop that much, according to your theory more
>than 75% (or over 90%) of light should come from curtain reflection.
>
>May be this happen only to my 4Ti, much appreciate if you can try your own.
I used the same setup and method as you (without film), only difference is I
use the 90/2 lens. Now I'll put Velvia in the camera.
Ulf Westerberg
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