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What it is
The camera stays put while the focal length enlarges or shrinks the image; perspective does not change.
When to use it
An observer's view or documentary feel; crash zooms punch comedy or shocks.
When not to
When you want an immersive approach (that is a push in).
Often confused with
- Push in
A push in moves the camera, so the perspective changes.
Common generation mistakes
SymptomIt comes out as a push in with changing perspective.
FixState the camera does not move; only the focal length changes.