I have a Konica Autoreflex which was modified to work with unperforated film. Whenb I get arount to having it serviced I will look for some unperforated film for it. This would give me 24X36mm images. If you modify a roll film camera to accept unperforated film you will get an image 35mm wide and as long as your format will allow. 6X6 would give you a 35X60mm image size.