From: John Horowy (viewcam@wwa.com)
Date: 05/25/01-07:12:15 AM Z
Hello Everybody,
I have a copy of a reciprocity chart for anyone interested. It's a doc.
file that will open in Word.
Email me directly and I'll send it to you.
Best Regards,
John Horowy
Bergger Products, Inc.
www.bergger.com
At 09:04 AM 5/25/2001 -0400, you wrote:
>Sandy,
>
>I used a lot of BPF a couple years ago and got good results with the same
>reciprocity compensation as TXT. In the 1-8 second range that means one full
>stop more than the indication. By an indicated 30 seconds you want at least
>two minutes, or go have a cup of coffee. Since BPF is reluctant to gain
>contrast, especially to levels wanted for alt processes, no reduction of
>development time seems necessary.---Carl
>--
> web site with picture galleries
> and workshop information at:
>
> http://home.earthlink.net/~cweese/
>
>----------
> >From: Sandy King <sanking@hubcap.clemson.edu>
> >To: alt-photo-process-l@sask.usask.ca
> >Subject: BPF 200 Reciprocity Data
> >Date: Fri, May 25, 2001, 12:30 PM
> >
>
> > Having just exhausted my supply of 12X20 Kodak TRI-X and not finding any
> > available on the market at this time I bought several boxes of BPF 200.
> > Since I often expose where reciprocity is an important consideration
> > (indicated exposures of 1-8 seconds) I wonder if anyone on the list might
> > have good data on BPF 200 as regards compensation for reciprocity.
> >
> >
> > Sandy King
> >
> >
> >
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