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WIDESCREEN GLOSSARY by leonard Maltin

An aspect ratio is the relationship between the width and height of a screen image. Most sound films until1953
were 1.37 to 1, slightly wider than they were tall. The television screen size is 1.33 to 1, so very little is lost
when an older movie is shown on TV, and even films shot in the later standard 1.66 to 1 don't suffer too badly.
In the 1950s in an effort to combat TV, Hollywood started a battle of screen sizes, beginning the CinemaScope,
more than twice as wide as it was high. Most films are now shot and shown in a ratio of 1.85 to 1 and since this
has become the norm, such films are no longer thought of as "widescreen".

Agascope 2.35:1 Sweden and Hungary
Arriscope 2.35:1 Arriflex Camera Corp
ArriVision 2.35:1 In 3-D
Cinepanoramic, Franscope & Dyaliscope 2.35:1 France
CinemaScope 2.35:1 Some early titles were 2.66:1 and 2.55:1
CinemaScope 55 2.35:1 CinemaScope using 55mm film
Cromoscope 2.35:1 A form of Techniscope
Daiescope, Nikkatsu Scope & Grandscope 2.35:1 Japan
Toeiscope, Tohoscope 2.35:1 Japan
Duo-Vision 2.35:1 In split-screen
Euroscope 2.35:1 Europe
Hammerscope & Megascope 2.35:1 England
J-D-C Scope 2.35:1
Naturama 2.35:1 A form of CinemaScope
Panavision 2.35:1 Modified in 1971 to 2.4:1
Panavision Super 70 2.35:1 for 35mm & 2.2:1 for 70mm
Regalscope 2.35:1 A form of CinemaScope
RKO-Scope 2.35:1 A form of Superscope 235
Scanoscope · 2.35:1 A form of CinemaScope
Shawscope 2.35:1 Hong Kong
Sovscope 2.35:1 U.S.S.R.
Space-Vision 2.35:1 In 3-D
Spectrascope 2.35:1 A form of CinemaScope
Superama 2.35:1 A form of Superscope 235
Super Panavision 70 2.35 for 35mm & 2.2:1 for 70mm
Superscope 235 2.35:1
Cinescope, SuperCinescope & Panoramica 2.35:1 Italy
Totalscope, Totalvision & SuperTotalscope 2.35:1 Italy
Technirama, Techniscope & Technovision 2.35:1
Todd-AO 35 2.35:1
Ultra Panavision 70 2.75:1
Ultrascope 2.35:1 Germany
Vistarama, Vistascope & Warnerscope 2.35:1 Forms of CinemaScope
Warwickscope 2.35:1 England

Cinerama From 2.6:1 to 2.8:1
Colorscope Various ratios used under this name
Dimension 150 2.2:1
Grandeur 2:1 Approx.
Metroscope 1.66:1 to 2:1
MGM Camera 65 2.75:1
Natural Vision & Realife 2:1 Approx.
Panascope 2:1
Superpanorama 70 2.2:1 in 70mm A form of Todd-AO from Europe
Superscope 2:1
Super Technirama 70 2.2:1 in 70mm
Super35 Ranges from 1.85:1 to 2.35:1 (variable screen size process)
System 35 & Super Techniscope Ranges from 1.85:1 to 2.35:1 (variable, the same as Super 35)
Todd-AO 2.2:1
Vista Vision ranges from 1.66:1 to 2:1 (a variable ratio)
Vitascope 2:1 Approx.