Re: Process Colours for Gum

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From: Dave Rose (photo@wir.net)
Date: 05/08/01-07:19:18 AM Z

Hello Katherine,

Could you recommend suitable pigments to achieve "brilliant and saturated"
results?

So far I've experimented with: Cyanotype, Phtalo Blue, Cadmium Yellow,
Quinicridone Red, and Alizarin Crimson. Printing test 4x5 negatives (photo
of a gray card and color chart), I've been able to get good color balance,
but the color is anything but brilliant. I'd love to get Cibachrome
intensity in a 3-color gum print.

My color separations are made in camera using # 25, 58 and 47B wratten
filters. For larger prints, I've contact printed the 4X5 negs and then
enlarged the positives onto lith film.

Thanks,
Dave Rose
Cactus Cowboy
Big Wonderful Wyoming

----- Original Message -----
From: "Katharine Thayer" <kthayer@pacifier.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, May 07, 2001 3:39 PM
Subject: Re: Process Colours for Gum

> Dave Rose wrote:
> >
> >
> > I don't have a lot of experience in three-color gum, but I've found that
the
> > color is muted and subtle compared to a typical color transparency. A
nice
> > effect for certain subjects.
> >
>
> I'd disagree with this; the color can be muted and subtle if you prefer
> it that way (as I do) or it can be as brilliant and saturated as a
> Cibachrome.
>
>

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