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BKSTS Illustrated Dictionary of Moving Image Technology, 4th Edition by Martin Uren

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Appendix D Picture aspect ratios

Table App.D.1    Picture aspect ratios
Format Aspect ratio Application
Video 1.33:1 (4:3) Television, 4:3 display
Super-8 film 1.33:1 Amateur film (Hist.)
16 mm film 1.33:1 Film and television 4:3 presentation
Imax 70 mm film 1.33:1 Very large screen presentation
Film-strip 1.33:1 Slide projection
Film-strip 1.5:1 Slide projection
Video 1.56:1 (14:9) Television, widescreen display presentation in letterbox or in pillarbox on 4:3 display
35 mm film 1.65:1 Widescreen presentation
Super 16 mm film 1.67:1 (15:9) Widescreen presentation
Video 1.78:1 (16:9) Television, 16:9 widescreen display
35 mm film 1.85:1 Widescreen presentation
70 mm film 2.2:1 Widescreen presentation
35 mm ...

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