[国外标准] JIS B7204-1995 Cinematography-Photographic sound test films, 35mm and 16mm-Specifications
[国外标准] JIS B7106-1997 Photographic lenses-F-number marking
[国外标准] JIS B7095-1997 Photographic lenses-Methods for the measurement of the effective aperture, F-number a
[国外标准] JIS B7094-1997 Photographic lenses-Measurement of the focal length