Recall that I scored a new old stock Kodak Tri-X 2 1/4 x 3 1/4 film
pack a couple of months ago. Expiry was Nov. 1975
Tonight I took a few shots with in in my Baby Speed Graphic and
103mm Ektar and then "robbed" them from the pack.
I normally expose TXP (when I had it) at ASA 160 and develop
for 7 min in DK-50 1:1 (I happened to have that mixed up and
ready to go). In this case, in deference to the film's age,
I shot at ASA 125 and developed for 8 min.
I almost fell over - there is no visible fogging. The unexposed
edges - to the eye at least - look like normal Tri-X. Contrast
could be higher (a bit more development time) and exposure could
be just a tad deeper. Still, 40+ year old film that produces
perfectly normal negs is just a little bit shocking.
I think the remainder of the pack is likely to get exposed at ASA 100
and developed for 10 min.
Happy to answer any further questions...
P.S. DK-50 has the reputation of reduced film fogging. It sure seemed to
work here.
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