As I recall, reciprocity failure is: as film receives more and more
exposure, it becomes LESS sensitive so it needs more exposure.
John
Soenke Jansen wrote:
> Andrew Wiese wrote:
> >
> > >Reciprocity failure is also a problem at very high shutter speeds >too,
> > but the effects are not as common or pronounced.
> > >
> > >John P
> > >
> >
> > ...because it only happens at about 1/10000th, doesn't it, hardly a
> > problem for most brands of camera, let alone Olympus.
> >
> > Regards
> >
> > Andy
>
> Well, not quite I think. Flash times range somwhere betweenb 1/1000 and
> 1/40000sec as far as I remember.
> OTOH, I haven't noticed any systematic underexposures with short flash
> durations (or would that be overexposure?).
>
> Regards,
> Soenke, Hamburg
>
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