1.66:1 / 1.85:1 / 2.0:1
More flexible than other film formats. It allows for more aspect Ratios. It was created in 1954 by engineers and Paramount. Filmed with a special camera mounted on its side. its image quality was better than a standard 33 mm, but it did require a special projector.
Movies shot in Vistavision include Vertigo, North by North West, White Christmas.
1.43:1 / 1.78:1 / 1.9:1
Widescreen in nature, the system originated in Canada at the Expo 67 fair in Montreal where a group of Filmakers/entrepreneurs designed a new system using a single powerful projector rather than multiple projectors that industry standard at the time. this revolusionised.
Movies shot in IMAX include Contagion, Real Steel, Puss in Boots.
2.35:1 when transferred, 2.60:1
This uses 3 cameras and interlocks the 3 images together which creates an extremely wide presentation in 2.60:1 but when its transferred to video it’s aspect Ratio becomes 2.35:1 as the film is reduced to a 35mm anamorphic print.
movies shot in Cinerama include How the West was Won, The Wonderful World of the Brothers Grimm, and Seven Wonders of the World.