A change from f/4 to f/8 equals a change of:
A)1 stop.
B)2 stops.
C)3 stops.
D)4 stops.

Name: A change from f/4 to f/8 equals a change of: A)1 stop. B)2 stops. C)3 stops. D)4 stops.
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Question

Quizplus · Accepted Answer

A change of one stop is equivalent to halving or doubling the amount of light. Going from f/4 to f/8 means decreasing the amount of light by a factor of 2, which is equivalent to decreasing 1 stop. Therefore, the answer is B) 2 stops.

A Change from F/4 to F/8 Equals a Change Of