In two years of scanning negatives, I have not experienced non-dust white
spots on negatives. I always had dirt-cheap Target do the processing, too.
Any white spots I see can be removed, or at least pushed around.
Frank Paris
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> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Rob Geraghty
> Sent: Monday, November 20, 2000 3:42 PM
> To: [EMAIL PROTECTED]
> Subject: filmscanners: Scanning negs and white spots
>
>
> I (and others) have noticed scanned negs tend to show a lot of white spots
> which don't seem to be caused by dust on the surface of the neg. Since
> the image is inverted, presumably the spots are dark or black (opaque) on
> the neg itself. Without ICE, this makes for a lot of work in scanning a
> film.
>
> I suspect that it's from a couple of possible causes:
> 1) Dust bonded into the neg during processing
> 2) spots of undeveloped neg emulsion caused by bubbles during processing
>
> I don't think I had any such features on B&W film I processed myself by
> hand, but I'd have to check. Is this yet another downside of mechanical
> processing of C41 in minilabs? Dust in the chemistry and bubbles on the
> film? Does anyone have a clearer idea of the cause(s) of these spots?
> The white spots in negs seem to be much more frequent than black spots in
> slides (which in my experience almost always *are* dust that can
> be cleaned).
>
> Rob
>
>
> Rob Geraghty [EMAIL PROTECTED]
> http://wordweb.com
>
>
>
