Re: T-max reversal kit

[rosebud@xxxxxxx (rosebud)]

This appeared in the archives of either this or the photoforum...you
really should read both. Ahem.

> Note 36.09  -< Reversal Procesing of B&W Infrared Film for Speed and Slides>-
> --------------------------------------------------------------------------------
> >For the IR-freaks: In the German magazine Foto & Labor 4/95 (July/August) 
> >there was an article about _reversal processing_ of Kodak High Speed IR film
> >resulting in a slide film with 1600 ASA! YES, _SIXTEEN HUNDRED_ ASA, without
> >any losses in the IR and highlights characteristics! The author of the article
> >used a selfmade equivalent of the Kodak reversal process D-67.
>  
> Since other persons have convinced me to send them a summary of the article, 
> it is only fair that I send it in this list also:
>  
> Since most of you probably can't read German, the original article (copy or 
> back issue) would not help you much. You might first try to run the origina
> lD-67 Kodak reversal process 'by the book'. If that fails, you can  use the
> following translation, but be warned: I have no technical/chemical 
> German/English dictionary, so there might be errors in it! You might want to
> use the Kodak manual anyway, to understand my poor translation better. If
> there are strange things in my list, please tell! And if things work out ok:
> promise to send me a note! I am very curious!  (I have no darkroom experience,
> I am still looking for someone who will  perform this process for me....;-))
>  
> D-67 homemade *equivalent*
>  
> First developer D-67
>  
> distilled water                      250   ml
> Metol                                  1   g
> Sodium Sulfite (anhydrous)            45   g
> Hydroquinone                           4   g            
> Sodium Carbonate (anhydrous)          23   g
> Potassiuom Bromide                     2.5 g
> Potassium Kaliumrhodanid solvent (50%) 2.5 ml
> Potassium Iodide solvent (1%)          2.5 ml
>  
> Bleach R-9
>  
> distilled water                      980   ml
> Potassium Dichromate                   9.5 g
> Sulfuric acid (98%)                    20  ml
>  
> Clearing Bath (CB-1)
>  
> Distilled water                      1000   ml
> Sodium Sulfite (anhydrous)             90   g
>  
> Second Developer - any vigorous developer like Dektol, Neutol, Eukobrom Fixer
> any ordinary Film fixer
>  
> TIMING (all in minutes, at 24 degrees C)
>  
> first developer      12 
> stop                  3
> bleach                3
> rinse                 3
> clear                 5
>  
> rinse and 2nd exposure 3-5 (continuous agitation under water, while  exposing
> film to intense light is recommended)
>  
> second developer      4
> stop                  1
> fix                   3
> final wash           10
>  
> Total time           47-49 minutes
>  
> From: Willem-Jan Markerink <w.j.markerink@xxxxxxxxxxxxxxxxxx>
---------------------

I see no reason that the T-max developer or any other reversal procedure
wouldn't "work" with IR film. The test would be if you like the results.

--Darryl Baird

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Topic No. 3