Aspect ratios: Difference between revisions

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   | 1.33:1  || Silent / Full Frame || 1907 || ||
   |-
-  | 1.19:1  || Movietone || 1926 || || Often projected with 1.37 lenses in theaters without specialized 1.19 lenses; however, doing this will chop off a substantial portion of the image.
+  | 1.19:1  || [[Movietone]] || 1926 || || Often projected with 1.37 lenses and aperture plates in theaters without properly sized 1.19 lenses and plates; however, doing this will chop off a substantial portion of the height of the image. In auditoriums with fixed-height screens, 1.19 can be adequately presented by removing the anamorphic attachment from the spherical lens used for 2.39 and using that in conjunction with the 2.39 aperture plate.
   |-
   | 1.37:1  || Academy ratio || 1932 ||   || Sometimes incorrectly called 1.33. Was used well past 1953 in some countries outside of the US. See also: [[List of 35mm features released in 1.37 after 1953]].
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   | Windowboxed 1.37:1  || || ? || || Projected with a 1.85 lens and aperture plate, these prints are often rereleases of films made in traditional 1.37 that will be shown in wide release at theaters not outfitted with 1.37 lenses.
   |-
-  | 1.66:1  || || 1953 ||   || Warning: widescreen formats may be soft-matted
+  | 1.66:1  || || 1953 ||   || Commonly used in Europe to provide additional height for subtitles. Warning: widescreen formats may be soft-matted.
   |-
-  | 1.78:1  || ||  ||   || Used for films that originated on video.
+  | 1.75:1  || || 1953 ||   || Early widescreen format used by MGM, Warner Brothers, and Disney.
   |-
-  | 1.85:1  || Flat || 1953 || || Warning: widescreen formats may be soft-matted
+  | 1.78:1  || ||  ||   || Used for films that originated on video. Equivalent to 16x9. Films printed in 1.78 may be scaled down to fit in the 1.85 image area with pillarboxing.
   |-
-  | 2.39:1  || CinemaScope / Anamorphic || 1953 ||    || Historically, CinemaScope aspect ratios have varied. Today's lenses are mostly calibrated for 2.39:1.
+ | 1.85:1  || Flat || 1953 || || Warning: widescreen formats may be soft-matted.
+ |-
+ | 2.00:1  || Superscope || c.1954 || || A short-lived anamorphic that employed the same 2:1 anamorphic squeeze as CinemaScope, but utilized a narrower portion of frame. The image is centered on the full 1.33 frame, so it lacks the horizontal offset of other optical sound formats and the lateral alignment must be adjusted for projection.
+ |-
+  | 2.39:1  || CinemaScope / Anamorphic || 1953 ||    || The aspect ratio for CinemaScope films with an optical soundtrack. Originally released in 2.35, the aspect ratio was later changed to 2.39:1, shortening the printed image area to better hide negative splices.
+ |-
+ | 2.55:1  || CinemaScope / Anamorphic || 1953 ||    || The original CinemaScope format, printed with 4-track magnetic sound. To accommodate the magnetic tracks, the perforations were narrowed. Prints in this format can only be run on projectors with CinemaScope (CS) sprockets, and should only be repaired with splicers that have smaller CS registration pins. The lateral alignment is slightly different that that of optical soundtrack formats. Some prints were released with an additional optical track that was half the width of a standard optical track. These are referred to as MagOptical prints.
   |-
   |}
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 * Advice from Jean-Pierre Léaud: [http://www.youtube.com/watch?v=M0ba3WOoE20 YouTube]
-[[Category:Film components]]
 [[Category:Film prints]]
 [[Category:Showmanship]]
+[[Category:Film gauges]]