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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