Question

What is F no. of a camera

Answer 1

Answer:

The f-number of an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil ("clear aperture"). ... It is also known as the focal ratio, f-ratio, or f-stop. It is the reciprocal of the relative aperture

Explanation:

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Answer 2

Answer:

The f-number of an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil ("clear aperture"). ... It is also known as the focal ratio, f-ratio, or f-stop. It is the reciprocal of the relative aperture

Explanation:

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