From: Marek Uliasz (uliasz@frii.com)
Date: 01/17/01-06:38:06 PM Z
Pam Niedermayer wrote:
> > I am currious if anybody has experience with exposing b/w negative film
> > using color slides in a Daylab slide printer. I am interested in both
> > 4x5 and 8x10 format.
> > ...
> >
> > Concerning 8x10 there is no positive/negative film or any ready loads
> > for 8x10 Polaroid film holder. A regular 8x10 film holder doesn't fit
> > into Daylab but I think it can work with just a slight modification.
>
> I think you'll need the special Polaroid 8x10 film holder or a 545
> holder/processor for 4x5. Not sure what you mean by "ready loads", the
> Polaroid film is peel apart. You also may need a separate 8x10
> processing unit if the Daylab doesn't include the appropriate rollers.
Yes, I am using Polaroid 545 film holder for 4x5, so I can use any 4x5 Polaroid
film including type 55 as well as any available Fuji or Kodak film in quick- or
ready-loads.
In 8x10 Polaroid film holder I can use only 8x10 Polaroid film (no equivalent to
positive/negative 55 film).
>
> >
> > I understand that there are other problems here in addition to using
> > Daylab as an exposure unit:
> > - a general problem of projecting color slides on b/w negative film
> I don't know why there would be problems projecting color slides onto
> T55; but you could project onto color 4x5 or 8x10.
You can find some related discussion in the archives of this list. Here is a quote
from William Paterson message:
"You can produce an enlarged negative from a transparency. The problem
that you run into is that most transparencies have a density range that is
much higher than a B&W negative used for normal printing."
Marek
http://www.frii.com/~uliasz/photoart/
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