U of S | Mailing List Archive | alt-photo-process-l | RE: two questions about gum

RE: two questions about gum

I would say you should adjust your curve and not cut your pigments. Cutting down on pigment will result in whimpy and grey looking print. Adjust your curve so that you add ink density to the middle tones resulting in lighter CYM printed layers. Longer development would help as well. I like to have my negatives for tricolor gum to be a bit more contrasty then they would be for a single coat gum and each layer when printed somewhat ligher then for a single coat gum. Am I making sense here?
My 3c for the day
> Date: Tue, 25 Sep 2007 20:25:18 -0700
> From: kthayer@pacifier.com
> Subject: Re: two questions about gum
> To: alt-photo-process-l@usask.ca
> Charles, I'd need to see the print to say how much to reduce the
> pigment. As a stab in the dark (so to speak) I'll say if it's
> really really dark, then try cutting the pigment by half; if it's
> just sorta dark, then a quarter.
> kt
> On Sep 25, 2007, at 6:57 PM, ryberg wrote:
> > Folks,
> > Since it is blown highlights plagueing me, I'll try again with
> > reduced pigment. Any guess as to how much? Half? Quarter? Do
> > you suppose I will need a new curve?
> > Thanks Charles Portland Oregon
> >

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