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Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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RE: filmscanners: Dust removal software?

When I got my SS4k, I wanted a cover for it...you know, one of those plastic
covers that you would expect a precision optical device would, if not come
with, would be available from the manufacturer...so when not in use, it
wouldn't allow any dust to get inside it...  Well, much to my surprise, they
didn't offer one!  I was astounded...

I have a Leafscan 45 (as he said pounding his chest wildly...  it's an
inside joke ;-).  It has filtered air that pressurizes the film chamber,
therefore taking any dust that gets in there, out.  I must admit, I get
virtually no dust when scanning, after proper cleaning that is.

> -----Original Message-----
> From: owner-filmscanners@halftone.co.uk
> [mailto:owner-filmscanners@halftone.co.uk]On Behalf Of Barbara & Martin
> Greene
> Sent: Saturday, September 01, 2001 5:53 PM
> To: filmscanners@halftone.co.uk
> Subject: Re: filmscanners: Dust removal software?
> Austin
> I agree as I am certain that a significant part of my dust problem,
> certainly not all, is within the scanner.  The problem was even worse at
> first, until, on the recommendation of Nikon tech support, I blew it out
> with a pressure can.  I intend to do tests to try and determine
> if there are
> spots that remain the same on several slides.  I'd appreciate if
> you'd tell
> me what scanner has a "positive pressure film chamber."  Also,
> how does the
> chamber help?
> Martin
> > From: "Austin Franklin" <darkroom@ix.netcom.com>
> > Reply-To: filmscanners@halftone.co.uk
> > Date: Sat, 1 Sep 2001 15:37:00 -0400
> > To: <filmscanners@halftone.co.uk>
> > Subject: RE: filmscanners: Dust removal software?
> >
> >
> >> To avoid
> >> dust, just take care of your transparencies!
> >
> > It is not necessarily that simple, though your suggestion is first and
> > foremost.  The SS4k and other scanners like it, can have a dust
> problem, no
> > matter how clean your film is going into the scanner.  These
> scanners can
> > have dust internally...that no matter what you do, save a clean
> room, will
> > get *some* dust on your perfectly clean film.
> >
> > Scans from my SS4k almost always had one or more dust spots, no
> matter what
> > I did...and once I switched to a scanner that has a positive
> pressure film
> > chamber the dust problem went away.
> >


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