Re: Archival qualities of Pictorico OHP film.

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From: Julian Smart (julian@jsmart.fslife.co.uk)
Date: 08/30/03-03:12:32 AM Z


Hamish,

Thanks for the reply and nice to hear from you again.

I decided to set up my 1290 with the Lyson inks exclusively for making negs.
though I haven't yet made any with it. I have made some b+w prints on
Permajet portrait which look fine but don't come close to the quality
available from darkroom made prints. This is probably down to the original
files (4M.pix) so I will have to reserve judgement until I can print some of
our pro-cam (volare) files.

For my gum negs. I am hoping that I can get a much smoother tonality and a
far less grainy result than I was getting with the standard ink black
setting (the colour setting laid down too much ink and had too great a
clour shift over the scale).

Just out of curiosity, Hamish, have you tried printing the negs. you
produced using the silver curve in the darkroom?

Regards,

Julian,

----- Original Message -----
From: "Hamish Stewart" <hamish.stewart@gumphoto.demon.co.uk>
To: "Alt Photo List" <alt-photo-process-l@sask.usask.ca>
Sent: Friday, August 29, 2003 4:51 PM
Subject: Re: Archival qualities of Pictorico OHP film.

> On 28/8/03 23:33, "Julian Smart" <julian@jsmart.fslife.co.uk> wrote:
>
> Hi Julian,
>
> I have been using the Lyson quad black inks for about 12 months with
> Pictorico and I am happy with the results for gum printing. I use an Epson
> 1290 and I have never used the Epson inks, just the Lyson. I don't detect
> any problems with fading so far so I imagine you would get good use out of
> your negs with this set up.
>
> One thing that took some time to get used to however was the way in which
> pigment inks behave which is rather different to silver negs. In my
> experience I found that too much pigment density blocks UV more than a
> similar density in silver. A little experimentation revealed a suitable
> negative standard for my lights and working method. I found that the
silver
> curve for pictorico and the 1290 on Dan's site worked a treat.
>
> Regards
>
> Hamish
>
>
> > Hello All,
> >
> > for the past two years I have been producing my gum negatives on
Pictorico
> > film.
> > Prior to April this year I was printing on an Epson 1290, using standard
> > Epson cartridges. I recently had cause to examine some of my negs. and
found
> > them to be faded beyond use. There is a marked colour shift towards the
red
> > and a corresponding density decrease, making them now unuseable.
> >
> > I have since changed over to (but not yet tested) Lyson Quad(hex?) black
> > inks. I hope these will be a little more stable and will give me a
smoother,
> > more delicate neg than the Epson inks .
> >
> > I would be interested to hear of anyone else's experiences with this
film,
> > particularly if anyone has returned to reprint a neg after several
months
> > and produced a different result because of a faded neg.
> >
> > I now have a 2100 (2200 in the States) but have yet to make any negs on
this
> > as my gum printing season runs from September. Might I expect similar
> > results or will the pigment inks be naturally more archival on this
> > substrate?
> >
> > Many thanks in advance,
> >
> > Julian.
> >
>
>
>
>


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