Glossary of Common Film Terms
Thank you to the New School and All Movie.com for help with the glossary.
180-Degree rule A screen direction rule: an imaginary line on one side of the axis of action is made (e.g., between two principal actors in a scene), and the camera must not cross over that line. To do so results in visual discontinuity and disorientation; similar to the axis of action (an imaginary line that separates the camera from the action before it) that should not be crossed.
24 Frames per second (fps) Standard frame rate of film speed: the number of frames or images that are projected or displayed per second; in the silent era before a standard was set, many films were projected at 16 or 18 frames per second, but that rate proved ...
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