The camera lens has an aperture of f and the exposure time is 1/60 s. What will be the new exposure time if the aperture becomes 1.4f?
A. \(\frac { 1 }{ 42 }\) s
B. \(\frac { 1 }{ 56 }\) s
C. \(\frac { 1 }{ 72 }\) s
D. \(\frac { 1 }{ 31 }\) s
Answer:D
The camera lens has an aperture of f and the exposure time is 1/60 s. What will be the new exposure time if the aperture becomes 1.4f?
A. \(\frac { 1 }{ 42 }\) s B. \(\frac { 1 }{ 56 }\) s C. \(\frac { 1 }{ 72 }\) s D. \(\frac { 1 }{ 31 }\) s