On light fall-off in pinhole cameras--
I've always thought (but never tried it) that you
ought to be able to make a "density adjustment filter"
for any pinhole camera by photographing a smooth
white, evenly-lit surface and then using the resultant
negative for subsequent shots inside the camera on top
of the film or paper used. The density of the negative
(more in the center, less at the edges) ought to be a
perfect canceller of the fall-off the camera has. This
would slow exposures and I can see practical
impediments especially in the case of a camera that
shoots roll film (how and where to attach the
filter--it would have to rest as close as possible to
the film), but it might work in a hand-loaded larger
format camera shooting with paper.
Colin
On another subject, my original Zero 2000 (number 138)
fell apart on WPPD ruining (I think--haven't had the
energy to develop the roll) my WPPD shots. Anyone with
an older Zero 2000 may want to check the wood panel at
the top of the box inside the camera that the lid
screws into. I have been careful with mine and not
screwed the lid on too tight, but for some reason this
entire piece came out and the lid fell off with the
inner panel connected. I easily repaired this with a
good carpenter's glue, but it was a disappointment,
needless to say.
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Received on Tue May 8 12:17:55 2001
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