From: Clay (wcharmon@wt.net)
Date: 01/12/03-08:12:42 PM Z
Tried Na2 - i.e. sodium platinum yet? It works wonders for increasing
contrast at the expense of some image warmth. It will make very thin
negatives printable without a lot of the usual side effects.
Clay
On Sunday, January 12, 2003, at 05:56 PM, Alan Bucknam wrote:
> Trust me, I'd love to have gotten it right in the first place.
>
> -Alan
>
> On Sunday, January 12, 2003, at 03:36 PM, Carl Weese wrote:
>
>> Alan,
>>
>> You may get more contrast by diluting the developer, but it will come
>> at the
>> cost of unpredictable density and gritty tonality. Just as other
>> contrast
>> methods tend to have a negative impact on print quality. Overall, the
>> best
>> way to increase the contrast of your platinum prints is to develop
>> your
>> negatives longer. If a standard (not pyro) negative is developed to
>> the
>> general vicinity of platinum range but lacks the snap you want,
>> selenium
>> intensification is very effective. Getting it right in the first
>> place is a
>> lot simpler though.---Carl
>> --
>> web site with picture galleries
>> and workshop information at:
>>
>> http://home.earthlink.net/~cweese/
>>
>> ----------
>>> From: Alan Bucknam <alan@notchcode.com>
>>> To: alt-photo-process-l@sask.usask.ca
>>> Subject: getting more contrast out of pt/pd developer
>>> Date: Sun, Jan 12, 2003, 3:52 PM
>>>
>>
>>> I've been doing the usual trick of increasing contrast in my pt/pd
>>> prints by reducing the developer temperature, but has anyone
>>> experimented with getting more contrast via diluting the developer
>>> itself? I thought I saw something mentioned to that effect in the
>>> alt-photo archives, but wanted to hear from someone about it
>>> specifically.
>>>
>>> Alan
>>>
>>
>
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