Peter Leyssens wrote:
> Yes, I know that HP5 is a very stable film on both reciprocity
> compliance (!) and the possibilities to push it, but I didn't expect it
> to be *that* extreme. A quarter of an hour, still no reciprocity
> failure ? Wow.
Hi Peter,
I just took a look into the spec-sheet for the HP5plus, and noticed that
Ilford actually advises a relatively strong correction for long
exposures !?!
See http://www.ilford.com/html/us_english/bw.html
Coud it be, that the film is just very 'elastic'?
Cheers Soenke
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