Glossary
30 degree rule—A cousin to the 180 degree rule, this rule decries that when recording coverage for a scene from differing camera angles within the film set, the camera should be moved around the 180 degree arc at least 30 degrees from one shot to the next to create enough variation on the angle-on-action so that the two different shots will edit together and appear different enough in their framing.
4:3—The aspect ratio for standard definition television. Four units wide by three units tall — more square in its visual presentation than the more modern high definition 16:9 video display.
180 degree line—The imaginary line established by the sight lines of talent within a shot that determines where the 180 degree arc of safe shooting is ...
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