Saving Pushed Acros with Diafine

huddy

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I wanted to post some results for the rest of the internet in case anyone finds this of interest.

A couple months back, I shot a roll of Acros in my Pentax 67, metered for shadows at ISO 320 with an incident meter, thinking it was HP5+. :bang: I've been hanging onto it in the freezer as I developed a backlog of other film. Shortly after shooting that roll, I standardized my black and white film using Cal's Slacker Routine (CalZone) with Tri-X and Acros.

Today was the day to soup this misexposed roll. I normally shoot Acros at ISO 160/200 in both 35 mm and 6x7 with 5:30+5:30 times. Extrapolating some of the other push times from the Diafine box and the times I got from Cal, I settled on 10:30+7:00 times and figured the large negatives would provide something usable. After the final wash, I did my tank rinses and then nervously unwound the roll. Turns out I have some pretty decent (if ill-advised) negatives on initial inspection! :D I'll post a few scans tomorrow once the roll dries.
 
H,

I expect some increased contrast and grain in your negatives.

Sometimes I shoot Tri-X at 1000-1250 ISO and process 7 minutes Part "A" and 4 minutes Part "B." The grain is kinda large and not so fine. BTW I got these times from Amy "DRabbit." The results are I think a little better than "Diafine Times Two.

I also made a mistake and shot Kodak 5222 at 650 ISO thinking it was Tri-X. I used 7+4 and was shocked at the good results. The 5222 had what I would call nice grain. I think that 5222 shows some promis to be a 400 or 320 ISO film with Diafine. Anyways 5222 interests me...

Cal
 
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