What's the Difference Between the Human Eye and a Camera?

Illustration for article titled Whats the Difference Between the Human Eye and a Camera?

Pixiq has a great write up on the similarities and differences between the human eye and a camera. Apparently, we're the same in image focusing and light adjustment but different in lens focus and sensitivity to light. What else?

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Pixiq's breakdown gets even more interesting when they explain how cameras work like our eyes. The cornea acts like a lens, the iris and pupil act like the aperture of a camera and the retina is like the imaging sensor of a digital camera.

There's much more interesting tidbits in their piece and I suggest you skim it all, you might even find out what the ISO of a human eye is. [Pixiq]

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DISCUSSION

flyingavocado-old
FlyingAvocado

Something that has bothered me for a long time: Eyeglasses. Why do people's eyes fail at focusing so easily and so often? Think about it — one of the most vital organs we have for survival and so many of us need corrective eyewear. Is it because we read a lot and our eyes weren't designed for nearsightedness? That seems absurd — what other vital organ system becomes "broken" by using it frequently within a narrow range of its capabilities? None. Every other system gets better when it's used for a specialized function (ballet, weightlifting) but our eyeballs fail. I find this utterly astonishing — like a massive design flaw in the human body.