In article <1992Sep29.165234.1 at mscf.med.upenn.edu> kaya at mscf.med.upenn.edu writes: >I photograph with a light box and prefer a yellow filter for Coomassie Blue >stained gels. > kodak sells a 1:1 contact photographic system, where all you need is a lamp plus some dev solns. good for coomassie and silver stains also for westerns.