----- Original Message -----
From: <ll.clark@xxxxxxxxxxx>
>
> >Leaf shutters are effectively limited to 1/500th of a second. So I was
> >told. For this reason and also the difference in exposure with the
> >leafs covering the film as they open.
>
> ...leading to an *effective* shutter speed of 1/350 of a second, when
> the shutter is in first-class condition. It goes downhill -- albeit
> slowly -- after that as it ages and the lubricants gum up. May take
> years, though.
Could be, but the three Bronica SQ lenses I owned up to last year was very
accurate at 1/2 stop over at 1/500s (~1/350?) even they have been used and
storage for over 20 years.
C.H.Ling
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