Re: LITH films and halftone

[epona <acolyta@napc.com>]

Hi George,

I am very interested in hearing more about your process.  Are these enlarged negs
suitable for POP and other like processes?  How long do you develop in Dektol?  I
am thinking of enlarging my 4x5 Polaroids and would rather do it in one step than
make an interpositive then a neg.

Thanks,
Christine


L Smyth wrote:

> --- Philippe Monnoyer <philippe.monnoyer@skynet.be> wrote:
> > Hello,
> >
> > I have a direct positive film and I test it for enlarging negatives. The
> > problem is that the max density range I could achieve is only 8 steps on a
> > Stouffer 21step tablet. This correponds to a density range of 1 only. This
> > was with technidol.
> > I would like to avoid working with pyro. I also would like to avoid
> > exhaustive testing times of all the developper molecules on earth.
> > Do you have practical experience to share on how to get a long halftone
> > range?
>
> I've been using Arista Premium Halftone for quite some time and developing with
> Dektol diluted somewhere between 1+10 and 1+20 (depending upon the scene).  I
> can come close to filling up a 21 step tablet if I choose (I normally do not,
> of course).
>
> Cheers -
>
> george
>
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