CHAPTER 48
Format
Boards are usually drawn in one of three standard ratios, or screen formats. A ratio is the relative proportion of the screen width to the screen height for a particular format. The three formats are Television, 35 mm feature film and HDTV (high-definition TV and 35 mm film are the same size), and 70 mm feature film. The HDTV widescreen format has the 16:9 ratio of 35 mm, which will allow feature films to be shown properly on widescreen TVs and in the letterbox format on standard TVs.
The ratio for standard TV is 4:3 (4 units wide by 3 units high), for 35 mm features it’s 16:9, and for 70 mm, or anamorphic, it’s approximately 2.35:1. Anamorphic is an extremely wide shot that is compressed by a lens on the camera to fit onto ...
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