Scanners focus is optimized on the outer surface of the scanner's glass, placing the emulsion side face down may make a difference in the results (or not!).
Guillermo > -----Original Message----- > From: pinhole-discussion-admin@p at ??????? > > Does anyone have experience scanning glass plate negatives? Can it > even be done? A friend asked me to make contact prints from some > glass negs he bought at an estate sale. Since my darkroom hasn't been > reassembled after the big move, I thought scanning might work (haven't > tried it yet, though). I have an Epson scanner with a transparency > adapter (the extra light source on top).