RE: filmscanners: SS120 & Nikon 8000 ... how do they work?

["Austin Franklin" <darkroom@ix.netcom.com>]

> > >It seems to me for some reason that most of the newer medium format
> > >scanners manufacturers decided to forego the zoom lens approach
> > >that Minolta has and continues to use with their Multi models,
> > >and just basically use the same optics for all the film formats.
> >
> > I seem to be missing something, here. All my scanners have "zoom"
> > capability, but on the screen, only--they can make the image
> bigger, just as
> > I can with my own imaging software. Can a scanner actually
> enlarge an area
> > with an enlarging lens? Well, why not--I can do it with a
> loupe, can't I?
> >
> > So let's say I select a 1/4" x 1/4" section of a slide that
> would normally
> > be scanned at 2400ppi on my Scanwit--if a 2x scanning lens were
> available,
> > would this then appear like a 1/2" x 1/2" section of the slide,
> at 2400ppi?
> > Given this, it would seem that the resolution of the section
> would become
> > 4800ppi.
> >
>
> Yes, this is in fact exactly what I am speaking of.  Minolta does this
> on a small scale with their Multi scanner line.

That's not zooming, it's changing the magnification.  That is entirely
different.