ORWO Black and White Photo Film UN54, the ORWO Universal Negative Film for UN54 is a black & white Mittelempfindliches absorption material for a wide range of uses. It is Panchromatisch sensibilisiert and can be used for indoor as well as for outdoor shots. The A 54 can be ORWO regulations 4185 can also be used as a black and white reversal film developed and you need to make Direktpositiven to be used.