The focal length of the lens of a simple digital camera is 40 mm, and it is originally focused on a person 25 m away. In what direction must the lens be moved to change the focus of the camera to a person 4.0 m away? It does not make any difference. away from the CCD sensors towards the CCD sensors?
a. It does not make any difference.
b. away from the CCD sensors
c. towards the CCD sensors
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