[pure-silver] Re: [lens] Re: Film vs Digital- was: Amusing Kodak commercial

  • From: Dave Hornford <dave@xxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Tue, 02 Jan 2007 07:20:01 -0700

Tests are theoretically designed to expose the material to conditions that
will more rapidly age.
For example, if you are worried about colour-fast in light then exposure to
a higher intensity light source (with the same wavelength characteristics)
should test. When matched with curve-fitting from real life it can give you
an idea (simply if 6 months in sunlight and 6 min under the brighter light
reduced colour 10% then 12 min under the lamp is at least 6 mos aging). Your
mileage will vary.

Dave

----- Original Message ----
From: Snoopy <snoopy@xxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Tuesday, January 2, 2007 2:16:22 AM
Subject: [pure-silver] Re: [lens] Re: Film vs Digital- was: Amusing  Kodak
commercial

Dear Kent,

At 20:41 01.01.2007, you wrote:
>   I saw a print made with a third party carbon based quad toned ink, 
> printed on an Epson printer that had spent two weeks under saltwater 
> and 4 months baking in the New Orleans sun.  The mattes were destroyed 
> but the image still looked as good as the day it was printed.  No 
> silver based print would have survived. With that said though, I do 
> love silver. Kent

Yeah right, thats what I do witzh my prints every Thursday evening at the
Photo Club :-) :-)

I really wonder, who makes these tests up, they do not seem to reflect
"normal usage" of prints.

However I now have the first few audio CDs desintegrating on me, they were
"printed" in the late 70s and early 80s. The silver is coming off, my CD
player got contamintated with silver flakes. Some CDs are now so warped,
they don´t fit the CD player "tray" anymore. Thank you. Some of the CDs I
found are now discontinued, I can only get hold of them via
(illegal?)exchange servers.

And they told us that CDs would last "forever".

I hope that my scepticism about such claims will live forever and hopefully
survive me...

Love
Snoopy


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