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Filming Speeds and Projection Effects
Film shot at filming speeds other than 24 frames
per second will have varying effects when pro¬
jected.
When shooting at high filming speeds of 48
or 32 frames per second, the projected pictures
will have a slow-motion
effect.
For example,
when a film is shot at 48 frames per second
and then projected at a standard 24 frames per
second, the projecting time will be lengthened
by two times, thereby slowing down the speed
of motion by one-half.
High filming speed is,
thus, very effective
when
slowing
down
fast
moving subjects or when analyzing movements.
Exposure time is also speeded up and is, there¬
fore,
effective
for eliminating
blurring
during
panning.
When
shooting
at slow filming speed of 16
frames per second, the opposite effect of high
filming speed is obtained.
In other words, by
dropping the filming speed the projected pictures
will have a fast-motion effect.
This method is
used when stressing the movement of a subject,
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