[pure-silver] Re: Any advice for purchase of densitometer.
- From: RH Designs <richard@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Wed, 22 Dec 2004 12:04:46 +0000
John Stockdale wrote
>
>I intend to measure just the silver density and add a nominal amount as
>shown on the measurements of others (e.g. Sandy King's articles on
>pyrocat-HD) for the stain. I am only interested in silver printing and
>the pyrocat-HD stain is not adding a huge amount compared to PMK. What I
>would like to know is if the suggested densitometers would actually be just
>measuring the silver (black) density and ignoring the brown dye stain, or
>would I be getting some sort of composite reading being black plus an
>unknown amount of the stain component?
The Heiland products are specifically black and white so should not be
affected by the stain colour. However the article that Tony refers to
<http://www.unblinkingeye.com/Articles/Densi/densi.html> is interesting,
and suggests that a b+w densitometer will not take account of the stain. I
will ask Juergen Heiland about this and report back.
Our web site is now properly configured (at last!) so this link will work
www.rhdesigns.co.uk/darkroom/html/densitometers.html
Regards
Richard
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