Academy Aspect Ratio

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The name for a picture aspect ratio of 1.37:1.

This is the standard ratio for most films shot before the 1950s and was defined by the Academy of Motion Picture Arts and Sciences in 1932. It is based on Thomas Eddison's early projector which displayed 35mm film images with an aspect ratio of 1.37:1. Although not strictly correct, academy is also often used to describe the standard analogue television ratio of 1.33:1 or 4:3.

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