[pure-silver] Re: What is this old film?
- From: titrisol <titrisol@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 1 May 2007 02:10:17 -0700 (PDT)
IIRC some guys used it to make contrast masks as well.
--- Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
>
>
> -----Original Message-----
> >From: janet ness <nessj@xxxxxxx>
> >Sent: Apr 30, 2007 8:48 PM
> >To: pure-silver <pure-silver@xxxxxxxxxxxxx>
> >Subject: [pure-silver] What is this old film?
> >
> >At a camera sale last weekend I bought a box of 4x5 Kodak
> Direct Duplicating SO-015 film. Can I use this film to make
> enlarged negatives? Can it be used under a safelight,
> although the box says "only in total darkness." Can it be
> developed in Dektol? The film is dated Feb. 1975. It may be
> useless, but it was cheap.
> >
> >Janet Ness
>
> I am away from my references but I believe this is a
> direct positive film working on the basis of being pre-fogged
> to the degree that the desired exposure drives it into the
> reversal zone of the characteristic curve. I think it was
> developed in a normal active developer like Dektol. I may have
> a data sheet for it. I will look when I get home.
> I have no idea of how stable the stuff is, you will have
> to test it to find out. The data sheet will have exposure
> information in it. It will also have data on spectral
> sensitivity and whether a safelight can be used.
>
>
>
>
>
> --
> Richard Knoppow
> dickburk@xxxxxxxxxxxxx
> Los Angeles, CA, USA
>
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