Human Eye and Camera

Human Eye and Camera

Sr. Function Component of Camera that Performs the Function Component of the Human Eye that Performs the Function
1 Opening for light to enter Aperture Pupil
2 Controlling the amount of light Diaphragm control size of aperture Eye iris muscles control size of pupil
3 Refracting light Glass biconvex lens Mainly cornea;lens, aqueous & vitreous humor
4 Image Formation due to light Photosensitive chemicals on film OR in case of digital camera, the digital sensor array converts light that falls on the sensor into digital information (pixels). This information is measured in megapixels (1 million pixels equals 1 megapixel) Photoreceptors(rods & cones) in retina
5 Absorbing excessive light to prevent multiple images formation Dark internal surface Pigmented, dark choroid
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