I was looking for this on the internet and like all thing internet if it's half decent it's not there. So this comes from a book that is now out of circulation.
The film is as rare as Rocking Horse pooh, but if you've sourced some this might be of some use to you.
As far as my students are concerned they have to understand why photographers use certain films. In this case it's the legendary Bechers.
ISO 25 - Panchromatic
Reciprocity effect - For exposures between 1/10,000 and 1/2 sec no compensation is required. Add 1 stop for 1 second exposures and 1.5 secs for 10 second exposures; add 2 stops for 100 sec exposures.
Grain - Extremely fine.
Degree of enlargement - Very High
Resolving power - 200 lines/mm
Exposure Latitude - +/- 2 Stops
Contrast - Medium
Processing - In Agfa-recommended developers at 68 degree F. Agfa Rodinal 1:50, 10 mins
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