If the f-number of a camera lens is doubled, say from F4.0 to F8.0, that means the diameter of the lens aperture is

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Svetlana Levinsohn · Answer 1 · 2021-05-19T23:16:25+0000

Answer:

The diameter is halved or reduced by a factor of 2

Step-by-step explanation:

Because

f number = F/D

That is f number is inversely proportional to diameter so if it is doubled diameter is halved