The exposure time of a camera is 8 ms for f-number 5.6. What will be the exposure time for f-number 8 ?
A. 2 ms
B. 16.32 ms
C. 8 ms
D. 4 ms
Answer:B
The exposure time of a camera is 8 ms for f-number 5.6. What will be the exposure time for f-number 8 ?
A. 2 ms B. 16.32 ms C. 8 ms D. 4 ms