[pure-silver] Re: Kodachrome
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Sat, 23 Feb 2008 20:36:08 -0800
----- Original Message -----
From: "Myron Gochnauer" <goch@xxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Saturday, February 23, 2008 6:37 PM
Subject: [pure-silver] Kodachrome
A simple search of the archives didn't turn up anything,
although I seem to remember this being discussed in the
past:
Can Kodachrome be developed to produce a usable monochrome
image by means of any more-or-less ordinary b&w
chemistry?
I have a few rolls of exposed 120 in the freezer (and a
few unexposed ones as well).
Myron
Yes, although I don't have details like developing time.
Kodachrome consists of three black and white film layers and
a yellow filter layer made of colloidal silver. Processing
in a standard developer like D-76 should give you a
negative. However, I don't know of any way of bleaching out
the yellow filter layer without also bleaching out the
image.
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