An apparatus for magnetically recording photographic data for an advanced photo system camera comprises a film transport sensing unit for sensing perforations in a film and for generating a signal per each perforation, an operation control unit for controlling the operation of the magnetic recording according to the signal from the film transport sensing unit, and a magnetic recording unit for magnetically recording photographic data on the film, based on the signals from the operation control unit. The apparatus further comprises a film transport unit for advancing successive frames of the film according to the signals from the operation control unit.