Film refers to a chemical process which is used for analogue
recording, copying, playback, broadcasting and display of moving visual and
audio media on a material called celluloid.
Celluloid is a transparent, flammable plastic made in sheets
from camphor and nitrocellulose. It was used for making cinematographic films.
The first celluloid film was a size 16mm. The small negative
size meant that films often appeared grainy.
The arrival of a larger 35mm
negative brought improved picture quality. The 35mm is better quality video
than a 16mm film because you have to blow it up less to the screen so that
means better quality.
24 frames per second go through the film gate.
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