This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
ISO 491 specifies the cutting and perforating dimensions for 35 mm unexposed motion-picture film and 35 mm magnetic film, and the types of perforations used.
Status: PublishedPublication date: 2002-08
Edition: 6Number of pages: 7
Technical Committee: ISO/TC 36 Cinematography
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