ISO 4238:1976
Cinematography — Optical printing ratios for enlargement and reduction of motion-picture film images — Specifications
Dec 1, 1976
General information
90.93
Jul 10, 2023
ISO
ISO/TC 36
International Standard
37.060.20
French
English
Life cycle
NOW
PUBLISHED
ISO 4238:1976
90.93
Standard confirmed
Jul 10, 2023