PURPOSE: To surely read recorded information inside a prescribed region.

CONSTITUTION: A magnetic recording layer is composed of the tracks S1 and S2 of the top end part of a negative film 10 and tracks T1 and T2 corresponding to each image frame 10A. and in each top end position, perforations P0 and P1 are provided. A perforation Pa is provided in corresponding to the way of the track S1, and the head position of a camera input region, out of information recorded on the track S1. In other words, on the track S1, the information recorded at the time of photographing is recorded only on the above-mentioned camera input region, so that the recording starting position is instructed by the perforation Pa. On the other hand, the perforation Pa is detected by a photoelectric sensor installed on the camera and a photographic printer.