[MF3D.FORUM:233] Re: MF3D.FORUM digest 57

[Joel Alpers <joel.alpers@xxxxxxxx>]

DrDave wrote: 

> A friend of mine here at work (Fritz Brown) does a lot of B&W
> reversal processing. His favorite film for this is Kodak Tech Pan
> 2415. I beleive that he does not like TMax at all for this purpose. He
> has also done some reversal on B&W IR. Most of his work is in
> 35mm, but is no different for MF. The main problem (which is not so
> much with MF) is that most B&W films depolarize, which means
> projection is out of the question unless you have a projector with the
> polarizers after the film.
> 
> If anyone wants specific information about exposure indexes (which
> change drastically when you reverse process) or development
> protocols I am sure I can talk him into passing them on.
> 

... lurker de-cloaking....


Hi, DrDave and the rest of the MF list! 

I'd be interested in your friends EI and process. I recently bought
a number of bulk rolls of 70mm Tech Pan (outdated) and have trimmed
them down to 120 film size. I re-roll them onto used 120 backing 
paper and spools. My net cost is a bit over $1 per roll this way,
so I'd like to experiment with reversal processing on some.

FYI, I dusted off an old URL of some "collecting" of information
on B/W reversal processing (both film and paper). You can see it
if you like at:

  http://www.frii.com/~jkbl/reversal


Joel.


P.S. While I'm here, a special "hi" to Ray Hannisian. You going
to be at Snowmass this year for the balloon rally?