how do pupil help in image formation
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Answer:
The entrance pupil is the image of the aperture stop created by the optical elements on the object side of the lens. The light scattered by an object is collected by the entrance pupil and focused onto the image plane via a series of refractive elements.
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Explanation:
The pupil is the opening in the center of iris. The function of the pupil is to allow light to enter the eyes so it can be focused on the retina to begin the process of sight. The size of the pupil is controlled by muscles with in the iris. Pupil normally react both directly and indirectly to light stimulation
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