Multiple Choice
A camera lens has a fixed focal length of 35 mm. How far must the lens be moved, relative to the image sensor, in order to change the focus from an object that is 20 m away to one that is 3 m away?
A) 0.34 mm
B) 0.41 mm
C) 0.35 mm
D) 0.47 mm
Correct Answer:
Verified
Correct Answer:
Verified
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