Which best explains why it is important that the camera stays stationary when you were taking pictures for stop motion films

Question

A. All filming requires a Camera to be stationary when filming.
B. Movement of the camera means that the background will not lineup.
C. Different camera techniques like close-ups can be used with live action.
D. Animation cels must be perfectly laid over the background and photographed.

Answer 1

D. Animation cels must be perfectly laid over the background and photographed.