Current stage: 90.60 Close of review Dec 3, 2023
Originator: ISO
Owner: ISO/TC 36 Cinematography
Type: International Standard
ICS: 37.060.20 Motion picture films. Cartridges
Status: Published
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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.
WITHDRAWN ISO 491:1995
PUBLISHED ISO 491:2002 90.60 Close of review Dec 3, 2023