[rollei_list] Re: was : Agfa Scala, now : home-made B&W slides in 120 revisited

From: Carlos Manuel Freaza <cmfreaza@xxxxxxxxxxxx>
To: rollei_list@xxxxxxxxxxxxx
Date: Wed, 1 Jun 2005 09:36:35 -0300 (ART)

Thanks for the info, Emmanuel, it is very useful,
perhaps some day I'll try the process.-

All the best
Carlos
 --- bigler@xxxxxxxx escribió:

> 
> From Eric G. :
> > 
> > > This will be helpful to your Richard:
> > >
> > > http://www.dr5.com/faqprint.html
> 
> From Richar K. :
> 
> > >...Reversal processing is not difficult...Fogging
> redevelopers 
> > like Sodium sulfide or conventional developers
> with the 
> > addition of a fogging agent eliminate the need for
> the 
> > fixing step.
> >    Reversal processing was very common for 8mm and
> 16mm home 
> > movies. Both the materials and processes were
> brought to a 
> > high degree of perfection but whatever there is in
> the 
> > technical literature seems to be rather obscure.
> 
> 
> Many thanks to Richard for this tutorial that
> explains several issues
> and problems that you'll encounter when doing you
> own B&W slides at
> home.
> 
> Doing B&W slides in 120 rolls or large format has
> been discussed
> recently on the French medium & large format forum
> galerie-photo.info.
> I have a few rolls of B&W slides made with my
> Rolleiflex T in the late
> seventies with  the defunct Tetenal B&W Reversal
> kit.
> 
> A French friend of mine, Claude Eichel, has
> re-started from the
> literature and has extensively practised with
> nothing less than 100
> rolls of various B&W 120 film brands. Including some
> 120 rolls of Agfa
> Scala® developed at home ; he could compare side by
> side the superb
> Agfa Scala® with other films.. including Scala-lab
> processed slides
> and home-reverse-processed APX100. His results are
> summarised in an
> excellent article on the APUG :
> 
> http://www.apug.org/forums/article.php?a=134
> 
> Of course you may prefer the original version in
> French ;-);-)
>
http://www.galerie-photo.com/inversion-film-noir-blanc.html
> 
> Claude is now doing experiments with large format
> film and I already
> have seen some of his results in 8"x10"... so this
> will be for the
> next article.
> 
> Strangely enough, for people who like to make a
> conventional slide
> projection, there is a missing family of projectors
> between the 6x9cm
> and 4x5" format. To project a 8"x10" B&W slide, a
> regular overhead
> projector is OK provided that you choose one with a
> good lens.
> 
> Linhof and Leica actually had 6x9 - 9x12-4x5" slide
> projectors on
> catalog in the past, probably until the seventies ;
> nowadays beyond
> the two 6x7 projectors made by Götsschmann and
> Mamiya and still
> available but not cheap (I'm mostly speaking about
> the Göttschmann :
> Outch !!) , there is nothing left except overhead
> transparency
> projectors.
> 
> Back to the Rollei I have recently done some Scala
> in my Rolleiflex T
> and I'm pleased with the results ; I did some family
> portraits in the
> outdoors on a clear day with slightly overcast sky.
> The slides I
> obtained will probably survive me, so if you care
> for your family
> album, even if you are an addict of Kodachrome like
> me (but in 35MM
> only as of 2005) from time to time, do one of two
> rolls of family
> pictures with B&W slides. Even if the whole
> silver-halide process &
> related chemicals would disappear and prevent any
> future direct
> optical print of your negatives, even if future
> scanners proved unable
> to scan a vintage B&W neg for some unknown
> softare-related reason
> ;-);-);-) at least your grand-grand-children, with
> their naked eye or
> with a loupe will be able to look at your B&W slides
> ;-);-)
> 
> -- 
> Emmanuel BIGLER         
> <bigler@xxxxxxxx>
> ---
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> 



                
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References:
- [rollei_list] Re: was : Agfa Scala, now : home-made B&W slides in 120 revisited
  - From: bigler

[rollei_list] Re: was : Agfa Scala, now : home-made B&W slides in 120 revisited

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