--- Manoj Shrivastava <[EMAIL PROTECTED]> wrote:
> Ken,
>
> But There is a big difference between the Music CD
> we get in the market and
> the CD's we burn using the CD burners at home.
> The Music CD's are stamped CD's and therefore will
> have much longer life
> then the CD's burned at home. My whole point here is
> thatwe cannot compare
> the prerecorded CD's we get in the market with the
> CD's we burn at home.
> CD's burned at home. useful life of the CD-R and
> CD-RW also depend upon the
> kind of chemical used in the recording layer of the
> CD. (You wee this as the
> color of the recording side in a CDR/CDRW). Also the
> heat has more effect on
> the CDR and CDRW then stamped CD's.
So copy them every 5 years. or 2. And back them up to
tape for extra security.
More importantly, I think people have a vastly
mistaken idea of how long current negatives and film
will last. Yes, a properly fixed and washed B&W
negative, properly stored, will last of a very, very
long time. So will a Kodachrome.
But today's color materials, both C41 and E6, are not
nearly as stable as that. And negative storage tends
to be pretty haphazard for most people, too. I don't
expect my great grandchildren to have much in the way
of useable negatives or slides left to see what their
great, and great-great, grandparents looked like.
If I'm careful with digital files, however, they can
be recopied and coverted forever.
No, digital files aren't perfectly archival, but the
slides and negatives your making today are a long way
from archival, too.
=====
Bob Meyer
Life is uncertain. Eat dessert first.
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