Re: Levels & Curves

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B&W silver halide, if done correctly, can be very permanent.  Pencil
lead is graphite, which is a form of carbon, and inert, which is why it
is used, it doesn't react with any of the chemicals nor will it bleed,
or soak into the paper when wet, or doe sit have an oil or solvent base.

Wilhelm was giving Ilfochromes about 30 years (I believe it was 28).  I
have Cibachrome older than that here on display, and they still look
great.  They are not in bright lighting however.  Many inkjet inks are
at least that good, BTW.


Art

gary wrote:

 > I'm not up on the longevity of Ilfordchrome, but won't the best inkjet
 > prints last longer than the best print papers?
 >
 > B&W photography is supposedly as stable as it gets. FWIW, I noticed 
that the
 > photographers sign their prints on the back in pencil. I'm told a B&W 
print
 > will outlast the ink of a pen, but not the graphite of a pencil.
 >
 >
 >




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