----- Original Message -----
From: "Winsor Crosby" <wincros@xxxxxxxxxxxxx>
> >I wouldn't throw away the originals, but CDs need careful storage too.
> >
> >The classic way to preserve colour images is to make three copy B+W
> >negatives with different filters, since silver is far more stable than
> >dyes.
> >
> >Tom
>
> That is conventional wisdom, but there is a lot of discussion on the
> web about the short life of current black and white materials.
> --
And it is just impractical to make thousands of "three copy B+W" negatvies.
Shoot/combining a three "color" B+W neg. is hard to control the color
accuracy too, not to mention the losses during duplication.
C.H.Ling
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