Question

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

Explanation:

The lower the f - stop number, the larger the aperture opening and the more light it allows in. We compare the f - stop values: 2.8 < 5.5 < 6 < 16.

Answer:

A. f/2.8