Calfee, Laura writes:
A while back, there was a thread on asphaltum. I missed the beginning and
was wondering what prompted the discussion.
I think I started it by saying that either asphaltum or rosin can be used
in laying an aquatint ground on the copper plates used in photogravure.
Either
I uploaded a gallery of 120-rollfilm cameras converted for
pinhole and zone plate use. These include a couple of formats,
different focal lengths, and several shutter options.
The url is: http://web.pdx.edu/~harveyt/pinholecams.html
Guillermo,
Thanks for noting the needed fix on the
A while back, there was a thread on asphaltum. I missed the beginning and
was wondering what prompted the discussion.
L
- Original Message -
From: Tom Harvey harv...@aracnet.com
Tonight I uploaded a gallery of 120-rollfilm cameras converted for
pinhole and zone plate use. These include a couple of formats,
different focal lengths, and several shutter options. The cameras
Tom, excellent stuff! a
