I believe the inner rails are a bit too near the lens than the actual film
surface. The film rests on the pressure plate, and the pressure plate rests
on the outer rails. I found exactier putting the screen on an inner rail and
on an outer one. Doing this the centre (center) of the screen should be
nerarer the actual film surface.
Marco
----------
>Da: WKato@xxxxxxx
>A: olympus@xxxxxxxxxxxxxxx
>Oggetto: Re: [OM] 28mm Zuiko won't focus at infinity
>Data: Sab, 5 giu 1999 19:10
>
> CH Ling had another method of checking focus that I
> haven't tried and that was to use a ground glass focusing screen gently
> attached (perhaps somewhat diagonally--I've never done this) to the inner
> film rails. Then you could compare the viewfinder focus with the focus at the
> film plane.
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