From: Robert W. Schramm (schrammrus@hotmail.com)
Date: 09/26/02-05:46:19 PM Z
Judy, I don't think it is UV that develops the plate. It must be red or
infra-red light. Your right about the blue photoflood. I wouldn't think you
would get much UV from it either. Maybe one of those sunlamp bulbs but they
are hot also.
Bob Schramm
>From: Judy Seigel <jseigel@panix.com>
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: alt-photo-process-l@sask.usask.ca
>Subject: Re: Was someone asking about printing daguerreotypes from film?
>Date: Wed, 25 Sep 2002 16:45:40 -0400 (EDT)
>
>
>
>On Wed, 25 Sep 2002, Christopher Lovenguth wrote:
> > I’m putting the plate into a holder with the rubylith covering the plate
>and
> > putting it in my apartment window which faces south and a very little
>east
> > in San Francisco starting around 7am. I come home around 6pm and fix it
>with
> > hypo, wash and guild. That’s it.
>
>You don't say if window is open or closed -- glass cuts down on UV
>trnasmission, either over all or below a certain wave length, I forget
>which. But in any event, if window is closed odds are you're losing useful
>exposure.
>
>Photoflood, again if I remember correctly, does put out plenty heat, but
>light mostly in visible range -- not that much UV -- and very high use of
>electricity, plus short life of bulb. It might pay to change to some kind
>of UV lighting.
>
>J.
>
>
>
>
> > Once I get the exposure time down under the photoflood, this will be one
>of
> > the easier alt processes I have done (excluding the buffing of the plate
> > which I'm still awful at)! Of course it is a completely different story
> > trying to get an image in camera which is where I want to be at. But for
> > right now I’m happy with doing things this way and if I can get some
> > consistency and a body of work visually interesting, I'll think it's
> > affective. -Chris
> >
> >
> > >From: "Robert W. Schramm" <schrammrus@hotmail.com>
> > >Reply-To: alt-photo-process-l@sask.usask.ca
> > >To: alt-photo-process-l@sask.usask.ca
> > >Subject: Re: Was someone asking about printing daguerreotypes from
>film?
> > >Date: Wed, 25 Sep 2002 12:15:31 -0400
> > >
> > >
> > >Christopher,
> > >
> > > I viewed you image and like it very much. I do Hg developed dags.
> > >I like very much to colors you are getting. Tell me how you lay the
> > >negative on the fumed plate and get it back off without damaging the
>silver
> > >iodide coating. Do you also put a piece of glass on to to hold the
>negative
> > >flat? BTW I sometimes overexpose my plates which causes the highlights
>to
> > >ture blue. One more question: are you using a negative or a positive? I
>ask
> > >because transparency film will give you a positive, in fact, a color
> > >positive.
> > >
> > >Bob Schramm
> >
> >
> > _________________________________________________________________
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> >
> >
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