You can get pdf data sheets for all the 4x5 films at: http://instantphoto.polaroid.com/service/filmdatasheets/4_5/index.html
There's also more info in their product catalog at: http://www.polaroidwork.com/home/LLframeset.jsp?body=/form/search.jsp Sorry I can't be more help, I'm using T55 and T52, haven't played with T59 yet. The data sheets have the reciprocity failure timings. Pam > Natalie Nadozirny wrote: > > Hi. > I am experimenting with a new pinhole camera and polaroid film. Can > anyone give me some information on exposure times using Polaroid 4 x > 5 sheet film, specifically Type 59? > Thanks for your help. > Natalie -- Pamela G. Niedermayer Pinehill Softworks Inc. 600 W. 28th St., Suite 103 Austin, TX 78705 512-236-1677 http://www.pinehill.com