StopMotion 2.20
IMAX gets its high quality from running 70mm film sideways through the projector. Unlike normal 70mm, which uses 5 perforations per frame with a 2.20:1 Aspect Ratio, IMAX uses 15 perforations per frame for three times the exposure area. This makes an aspect ratio of 1.43:1. This format is designed for massive movie screens that can be as tall as 75 feet, known as IMAX GT (Grand Theater) theaters.
StopMotion 2.20
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