Camera Functions

Answer the questions

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What is an aperture? What is an f-stop and how is it calculated?

An aperture is that hole that allows light to pass through. In addition, an optical system determines the cone angle of rays that come to focus in the image plane. An f-stop is that ratio of the lens focal length to the diameter of the pupil. It is determined by the formula N= f/D where D is the diameter and f the focal length.

What is a depth of the field and………………

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