Comparison Between The Human Eye And The Camera

Similarities

The Eye	The Camera
1.A real and inverted image is Formed on the retina. 2.The iris controls the amount of light entering the eye. 3.The time of exposure of light is controlled by the eye lids	1.A real and inverted image is formed on the photographic film.   2.The diaphragm controls the amount of light 3.The time of exposure of light is controlled by the shutter.

Differences

The Eye	The Camera
1.The focal length of the eye lens can be changed by the action of ciliary's muscles 2.The retina retains the image only for a short time. 3. The convex lens of the eye is made of a transparent and flexible substance.	1.The focal length of the lens cannot be changed 2.The film retains the image of the object Permanently. 3.The convex lens is made of a glass.