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RE: [APML] Film Creep

Hi Steve,

> Any suggestions on solving this problem would be very welcome.

I haven't tried to verify your calculations, but I will say that going
with a vacuum back may solve the problem.  I bought the Hutech version
that replaces the standard Pentax 67 back, and although I thought it was
a little pricey, it sure helped cure some of my shots of the same
symptoms you describe.  Understand, however, that I have pretty dry
conditions to begin with - my meter said the dewpoint was -3.5F Friday
night with an ambient temp of 28F.  Still my camera sweeps close to the
ground with my long refractor, down where it's wetter, and the vacuum
back did make a very noticeable difference once I started using it.

Sincerely,
Jon Kolb
Adventures in Astrophotography
http://home.datawest.net/jkolb/
jkolb@datawest.net



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