I was the first person to write about the focus problem with curved film and
the LS4000 scanner in mars 2001. Some people in the scanner group almost
hang me because of my criticism about the LS2000 and LS 4000 scanners . I
have still the same problem when I use my two Nikon scanners but no
problem with my old Polaroid 35+ regarding ower all sharpness of a picture.
Take a look at
Nice conclusion
Best regards
Mikael Risedal
Happy Nikon D1X owner (no problem with curved film , grain and dirty colors)
>From: "Peter Marquis-Kyle" <petermk@optushome.com.au>
>Reply-To: filmscanners@halftone.co.uk
>To: <filmscanners@halftone.co.uk>
>Subject: filmscanners: Nikon film flatness (was Glass slide mounts)
>Date: Sat, 20 Oct 2001 13:19:03 +1000
>
>Neil Cotty reported that, with his Nikon LS4000 scanner, the SA-21 Strip
>Film
>Feeder does a better job of holding the film flat than the FH-3 Strip Film
>Holder. His results (listed from worst to best) were
>
> > Std. Mounted Slides
> > FH-3 Strip Film Holder in Slide Carrier
> > SA-21 Strip Film Feeder
> > Glass Slide Mounts
>
>I suspect different specimens of Nikon scanners, and their film holding
>gadgets,
>vary in their accuracy. Getting the film flat and parallel with the plane
>of
>focus is critical in Nikon scanners because of the shallow depth of field.
>If
>you are lucky, some of the misalignments in the different components will
>cancel
>out.
>
>For someone used to the solidity and accuracy of a Leitz enlarger, its a
>wonder
>these bits of Nikon plastic work as well as they do...
>
>With my LS-30, I found the Holder held the film flat enough for a
>grain-sharp
>scan of the whole frame, while the Feeder did not. I used the test method
>developed by Julian Robinson (
> ) which I
>commend to
>anyone with a Nikon film scanner.
>
>An hour of testing was enough to show me what works well (and what doesn't)
>with
>my scanner.
>
>Peter Marquis-Kyle
>
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