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Because its diameter can be changed to alter the light level on the sensor behind it. In a camera this is done by altering the f/number. In the eye it occurs via an automatic physiological response.

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What part of the eye is most like an aperture of a camera?

The iris is like the aperture part of a camera, which used to also be called the iris.


How is the aperture of the camera like the pupil of an eye?

The aperature can control the amount of light that comes into the camera just like the pupil of the eye.


What part of the camera corresponds pupil?

The aperture is the closest thing to a pupil.


What is an analogy for the part of the eye pupil?

The pupil of the eye can be likened to a camera aperture. Just as an aperture controls the amount of light entering a camera, the pupil regulates the amount of light entering the eye.


How is a pupil of a human structured?

The pupil is the center round black part of the eye. This is where the light enters into the retina. The human pupil works much like the aperture of a camera.


What part of the camera corresponds to the lens of the eye?

The focusing lens of the camera


How does camera aperture work to control the amount of light entering the camera?

The camera aperture is like the pupil of the eye, adjusting in size to control the amount of light that enters the camera. A smaller aperture lets in less light, while a larger aperture lets in more light. This helps to regulate the exposure of the image being captured.


Which part of are eye is like the aperture?

The part of the eye that functions like an aperture is the iris. The iris controls the size of the pupil, which adjusts the amount of light that enters the eye, similar to how an aperture regulates light in a camera. When light levels change, the iris expands or contracts to optimize vision in varying lighting conditions.


What is the part of the eye that is similar to the shutter?

The part of the eye that is similar to the shutter in a camera is the iris. It regulates the amount of light entering the eye by adjusting the size of the pupil, functioning like a camera's aperture to control the amount of light reaching the retina.


Is it the lens or iris that acts like the eye in a camera?

The iris acts like the aperture of a camera lens.


How to adjust aperture on a Nikon camera?

To adjust the aperture on a Nikon camera, turn the command dial to select the desired aperture value. The aperture setting is typically displayed on the camera's LCD screen or in the viewfinder.


How aperture works?

The shutter of a camera opens and closes allowing light into the camera, the hole in the shutter is the aperture.