Question

value: 3
which of these is the higher f - stop, that will let in less light?
a. f/2.8
b. f/5.5
c. f/6
d. f/16

Explanation:

The f - stop is a ratio. A higher denominator in the f - stop fraction means a smaller aperture opening, which lets in less light. Among the given options, the f - stop with the largest denominator will let in the least light.

Answer:

D. f/16