How Hs an Eye Like a Camera?

How is a camera like an eye?
Any eye is like a camera in many ways, like if it is dark an eye's pupil will open up to let more light in and in a camera you have to open the lens to let more light so you get a clear photo. The lens is the eye of the camera. Its function is to bring light from the subject into focus on the film. A camera can have a single lens or a complex set of lenses. Together with the shutter, the lens controls the amount of light that enters the camera.
Which part of the eye controls the amount of light entering?
It is the Iris. …