[filmscanners] Grip and Stretch film holders

["DaleH" <dhoff@margnat.com>]

I used to use a 4x5 film holder with a Beseler enlarger which gripped
two opposing edges of the film and stretched it tight to avoid
sagging and reduce buckling during exposure. These Beseler holders
put two rows of "teeth" marks at the edge of the image area but they
worked well. Why can't someone come up with a way of gripping and
stretching film in a glassless film scanner? The 35mm stock aready
has easy to grip sprockets. MF film might be a bigger technical
challenge but the results would be worth it, especially with talk of
4x5 scanners on the table. I know how Imacon "bends" film to take out
the slack, just wish there was some glassless method for flattening
film in mid range scanners.
DaleH

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