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Effective speed of Delta

from Kevin On Man Lee (kevin.o.m.lee@bc.sympatico.ca)
Is it true that the effective speed of Delta is slower than the speed stated on the box? If so, why is that? And what should I rate with Delta 400? I use Ilford a lot about ten years ago and get frustrated with the speed, it was "a lot" too slow than recommended. Do Tmax400 have the same problem?
(posted 9683 days ago)

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