Question: The pupil of the eye (Fig. Q26.19) defines the aperture of the eye and thus determines how much light enters the eye and strikes the

The pupil of the eye (Fig. Q26.19) defines the aperture of the eye and thus determines how much light enters the eye and strikes the retina. If the pupil “opens up,” does the f-number of the eye increase or decrease?

The pupil of the eye (Fig. Q26.19) defines the aperture of the

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