[pure-silver] Re: multigrade paper is amazing
- From: Shannon Stoney <shannonstoney@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Fri, 9 Nov 2007 14:06:12 -0600
you find my question...wisible?
--Shannon
On Nov 8, 2007, at 3:44 PM, Dave V wrote:
This email is a joke... right?
----- Original Message ----- From: "Shannon Stoney"
<shannonstoney@xxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Thursday, November 08, 2007 1:16 PM
Subject: [pure-silver] multigrade paper is amazing
I just did an interesting experiment. I printed a stouffer step
tablet on Ilford warmtone multigrade paper, beginning at #00
filtration and ending at #5 filtration. I found out that the paper
scale varies not a little bit, but a whole lot!
After printing the step tablet, I read its values on a densitometer.
I found out that at filtration #00, the paper has a scale of 1.5. It
printed about 12-13 steps between say zone 3 and zone 7. On the
other hand, at filtration #5, it had a scale of only 0.47 and printed
only 4-5 steps between zone 3 and zone 7.
This is pretty amazing to me. How does it do it? I know that it has
something to do with the layers of emulsion. But still.
--shannon
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