Re: Gum : dichromate concentration

From: Ender100@aol.com
Date: 12/01/03-03:44:35 PM Z
Message-id: <163.291ce55e.2cfd1043@aol.com>

Chris,

This could be true....or.... They are using the wrong curve and/or the wrong
printer settings. The problem with using other people's curves is that they
work or sorta work for other people, but may not work for you and your
workflow.

What I would say makes for a good workflow when using any type of digital
negatives, is to start with a good chemical mix, paper combination and standard
exposure that you then test and maybe fine tune with adjusting the process
contrast (if possible).

Just about any curve may help, but that doesn't necessarily mean it is a good
curve for your process and workflow.

When you change the "contrast" of your mix, you also change the requirements
of the curve needed.

Mark Nelson

In a message dated 12/1/03 3:28:49 PM, zphoto@montana.net writes:

>
> How about we all agree on this:  **if** a gum printer is printing diginegs
> with a saturated ammonium dichromate solution, ***unsuccessfully***, because
> it is printing ***so flat as to be unusable, and taking way too long to
> develop***, then he/she can cut the am di down to a 6% solution and use
> that.  Is that possible to agree upon?  But, of course, everyone here
> already knows this--just I didn't...dare go...so low....
>
Received on Mon Dec 1 15:45:13 2003

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