Author
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Topic: When was the 2:1 Aperature used?
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Paul Linfesty
Phenomenal Film Handler
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Posts: 1383
From: Bakersfield, CA, USA
Registered: Nov 1999
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posted 08-03-2002 12:13 AM
I know Vistavision films were designed to be projected at either 1.66, 1.85, or 2.0, althought the actual frame dimensions were closer to 1.5. Various studies in the early 50's made "suggestions" of crop ratios that could be all over the map, based on analyzing films on an individual basis. Then they started coming up with ratios and sticking with them (some 1.66, others 1.75, and others 1.85). Somewhere along the line, the accepted U.S. crop ratio became 1.85, while Britain sometimes used 1.75 or 1.66, and the rest of Europe 1.66.
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