Re: filmscanners: Pixels per inch vs DPI

["Dave King" <kingphoto@mindspring.com>]

Fast sync speeds being desirable, maximum sync in any particular
design is determined by that fastest speed where entire frame is still
open at once.  Another one that doesn't require an engineering degree
to understand:)

Dave

----- Original Message -----
From: Austin Franklin <darkroom@ix.netcom.com>
>
> > As many people probably realize, in a typical rear curtain/focal
plane
> > film cameras (as most 35mm SLRs are), any shutter speed beyond the
> > maximum flash synch shutter speed exposes the film via a moving
slit
> > opening between the shutter curtains.
>
> I know what you say CAN be certainly true for the highest speeds of
some
> cameras, but I did not know it was specifically related to the synch
> speed...I believe it's more related to shutter design than
specifically tied
> to sync speed.  Would you mind citing a source for that information?
>
> That is certainly not the case with vertical shutters, which all but
one of
> my 35mm cameras have (Contaxes and Nikons), the exception being my
Leica M.
>