I think the CCD can start and stop by itself, so 1/60 for 1/60 and shorter
(wow, full flash sync!) and longer for longer.
tOM
On Sunday, September 22, 2002 at 10:33, Chuck Norcutt
<olympus@xxxxxxxxxxxxxxx>
wrote re "[OM] Silicon film-email them!!" saying:
> In all the discussion of the probability and/or suitability of a digital
> back for our OM's no one has yet mentioned the problem of OTF light
> measurement for auto exposure control. I don't know what the roll-over
> point is between measuring off-the-curtain and off-the-film but I'm
> pretty sure we're there by 1/60th of a second. So, unless the silicon
> surface just happens to be pretty close to film in reflectivity there
> would be exposure error for most slow speeds including all auto flash work.
>
> Perhaps it can all be compensated for by dialing in a compensating ISO
> level. However, that assumes there is at least enough reflection from
> the silicon to avoid problems with meter sensitivity.
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tOM Trottier, ICQ:57647974 http://abacurial.com
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awesome, indescribably magnificent world in itself --
Henry Miller, 1891-1980
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