Re: HP5/Rollo Pyro reciprocity

Bill,

I have found that the Ilford recommendations work very well for
reciprocity correction of HP5+. Am sending you by private email the
Ilford fact sheet as a .pdf file.

Sandy

>Dear all,
>
>Having been away from shooting for ages, I shot some HP5 for Rollo
>Pyro development today (for Pt/Pd printing) and was getting
>indicated exposures in the 5-20 second range. Using an old
>reciprocity chart for Tri-X/HC110 I gave a hefty amount of exposure
>to compensate for reciprocity failure (always my albatross) and, lo
>and behold, gave it too hefty an amount.
>
>Anyone have some suggested reciprocity exposure times for HP5?
>
>Thanks,
>Bill
Received on Thu Mar 18 15:51:38 2004