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Science, How is an eye like a camera?

Date Submitted: 09/11/2004 06:24:09
Length: 2 pages (506 words)
Views: 114583

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 …

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…the lens of the eye forms a reversed image of objects in front of it on the sensitive retina, which corresponds to the film in a camera. A young child can see clearly at a distance as close as 6.3 cm (2.5 in), but with increasing age the lens gradually hardens, so that the limits of close seeing are approximately 15 cm at the age of 30 and 40 cm at the age of 50. This condition is known as presbyopia.

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