I bought some Ortho litho film recently, and I've been getting good results cutting it into 2 1/2" squares and exposing it directly in a medium format camera. Needless to say, though, this is getting tedious, as I have to reload after every shot. It seems like I can order larger sheets and cut strips that I could attach to 120 backing paper and respool. Does this sound doable, or am I missing something? My main concern is the emulsion, as I know from experience that it's rather sensitive, and I wonder if it could stand up to the advancing. My other alternative is a changing bag, but even that seems like a lot of fuss. Thanks.