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Film gauges

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The gauge of a film, literally, is its width. "Gauge" is commonly used synonymously with film format. (Pedantically, there are certain exceptions: IMAX is technically a specific format of 70mm gauge film, Super 8 is a specific format of 8mm gauge film, etc.)

Formats that you may encounter in exhibition contexts include:

Theatrical gauges

Frames per Foot (theatrical gauges)

16mm: 1 foot = 40 frames

35mm: 1 foot = 16 frames

5/70mm: 12.8 frames

Nontheatrical gauges

Large formats

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