Re: tonal inversion and pigment loads

Katharine,

I would just add to keep your negative "thin", which seems to be a required
thing.

Regards
Yves

----- Original Message -----
From: "Katharine Thayer" <kthayer@pacifier.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Friday, January 27, 2006 12:35 PM
Subject: Re: tonal inversion and pigment loads

> On Jan 27, 2006, at 7:49 AM, Katharine Thayer wrote:
> >
> > Yes, if you printed a print this way, that's exactly what would
> > happen. But you wouldn't want to actually PRINT, stained like this.
> > You would either size the paper, if this is a paper-related stain
> > with a normal pigment load, or you would reduce the pigment, if it
> > was a stain due to overpigmentation, and then you wouldn't see this
> > stuff at all; you would just see the normal tones of the hardened
> > gum, no stain at all. That's my whole point.
>
>
> See, it's real simple to tell the difference between these two types
> of stain, as I explain on my page. If it's paper-related, staining
> will occur at even low pigment loads, in other words changing the
> pigment load won't eliminate the staining, but sizing will eliminate
> it. If the staining is related to overpigmentation, reducing the
> pigment load will eliminate the stain, but sizing or changing the
> substrate won't affect it. Overpigmented gum will stain on unsized
> paper, sized paper, glass, everything.
>
> I've got a group coming for a studio tour this afternoon and I've got
> some serious cleaning to do before then, so I should tear myself away
> from here,
> Katharine
>
>
Received on Fri Jan 27 12:27:59 2006