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The '''aspect ratio''' is the ratio of the projected image's width:height when projected on the [[screen]] or printed on the film.
The '''aspect ratio''' is the ratio of the projected image's width:height when projected on the [[screen]] or printed on the film.
* define soft + hard matting, "native" aspect ratio, etc.


==Small Gauges: 8mm, Super 8, etc.==
==Small Gauges: 8mm, Super 8, etc.==
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  | 1.33:1  || Silent / Full Frame || 1907 || ||   
  | 1.33:1  || Silent / Full Frame || 1907 || ||   
  |-
  |-
  | 1.19:1  || Movietone || 1926 || ||
  | 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.
  |-
  |-
  | 1.37:1  || Academy ratio || 1932 ||  || Sometimes incorrectly called 1.33
  | 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]].
  |-
  |-
  | Windowboxed 1.37:1  || || ? || || Projected with a 1.85 lens, these prints are most often rereleases of films made in traditional 1.37 that will be shown in wide release at theaters not outfitted with 1.37 lenses.
  | 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 ||  || Warning: widescreen formats may be soft-matted
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  | 1.85:1  || Flat || 1953 || || Warning: widescreen formats may be soft-matted
  | 1.85:1  || Flat || 1953 || || Warning: widescreen formats may be soft-matted
  |-
  |-
  | 2.39:1  || CinemaScope / Anamorphic || 1953 ||    || CinemaScope aspect ratios vary.
  | 2.39:1  || CinemaScope / Anamorphic || 1953 ||    || Historically, CinemaScope aspect ratios have varied. Today's lenses are mostly calibrated for 2.39:1.
  |-
  |-
  |}
  |}


===35mm aspect ratio images===
===35mm aspect ratio gallery===
<gallery widths=300px heights=300px>
<gallery widths=300px heights=300px>
File:Hardmatte185-cropped.jpg|Hard-matted 1.85:1
File:Hardmatte185-cropped.jpg|Hard-matted 1.85:1

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