Frieder wrote:
> This is a strange effect, but it is exact what the meter does.
> >From F1.4 -> F1.2 the exposure indicator of my OM 2sp moves 1~1.5 Index
> >fields
> ( 1/3~1/2-F-stop) instead of 3 for a hole F-stop.
> This is caused due to the lever which is telling the camera how much the lens
> is stopped down. The marks between F 1.4 and F 2.0 are nearer together than
> the
> others which causes this difference. So it seems it is what the lens does.
> This phenomen is visible on every Zuiko I have. The first F-stop is not a
> whole F-stop ( at least one index missing). It is hard to guess why this is
> so and weather it affects the real speed of the lens?
> Seems exposure with internal meter should always be correct,
> but when working with a hand-held-meter?
That's interesting !
Also note that I measured exposure time with a stop watch (admitted, not that
accurate) from the auto OTF measurement made by the body. I should really
check this with some other lenses.
...Wayne
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