[pure-silver] Re: [pure-silver]: modern vs traditional: was: stopbath kills fix er
- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
- To: "'pure-silver@xxxxxxxxxxxxx'" <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 26 Jan 2005 09:37:29 -0500
I used the terms "traditional" and "silver rich" for lack of any other way of
naming these films. Whether they actually have a high silver content is
something else entirely.
That modern emulsions are harder and less prone to scratching is certainly a
plus. But the Forte, Foma and other films have their advantages even though
they must be handled more carefully. Rather than ignoring modern technology
perhaps the intent is to retain their unique characteristics.
I personally do not like the *look* of tabular grain films any more than I like
the *look* of digital images. I do not consider grain to be a dirty word.
Jerry
-----Original Message-----
From: Richard Knoppow [mailto:dickburk@xxxxxxxxxxxxx]
Sent: Tuesday, January 25, 2005 8:28 PM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: stopbath kills fixer
----- Original Message -----
From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Tuesday, January 25, 2005 1:42 PM
Subject: [pure-silver] Re: stopbath kills fixer
> Modern emulsions don't need hardener but the "traditional"
> or "silver rich"
> emulsions such as Forte, Foma, etc. still being produced
> could probably benefit
> from hardening fixers.
>
> Jerry
I wonder if these emulsions actually have any more silver
in them. Probably more than tabular grain emulsions because
tabular grains have better covering power than other shapes.
However, the hardness of the emulsion has nothing to do with
its silver content. Rather, it is an indication that the
manufacturers are ignoring decades of improvements in
emulsion making technology. Modern emulsions use different
hardening agents than those of sixty or seventy years ago
and also often contain synthetic polymers that make them
much less vulnerable to swelling from pH or heat. To say
something like this is no compliment to the films mentioned.
Rather it indicates a throw back to the days of poorer
technology.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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