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EYE vrs CAMERA......
EYE & CAMERA (Similarities & Differences) Similarities btwn EYE & CAMERA: Similarity #1::::Opening for Light to Enter: In Camera :Aperture In Eye : Pupil Similarity #2::::Control the Amount of Light Entering Camera/Eye: In Camera : diaphragm control size of aperture In Eye : iris muscles control size of pupil Similarity #3::::Refraction of Light: In Camera : by glass biconvex lens In Eye : mainly cornea ; lens, aqueous & vitreous humor Similarity # 4::::Object of light action to form image: In Camera : photosensitive chemicals on film In Eye : photoreceptors(rods & cones) in retina Similarity # 5::::Absorb Excessive light to prevent multiple images formation In Camera : dark internal surface In Eye : pigmented, dark choroids Difference: Focusing Mechanism: in Camera: change distance between lens & film in Eye: change focal length of lens using ciliary muscles |
The Following User Says Thank You to Eram Khan For This Useful Post: | ||
virgoan (Sunday, October 24, 2010) |
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