Why can a camera only focus on one distance at a time, and what occurs inside to change that focal distance? Does the same principle apply to our eyes?
In: Physics
When an object is close the light enters the camera at a different angle and the lenses need to change the distance between them to make the light focus on the sensor. Your eyes have lenses with muscles that do this automatically, and if your eye is the wrong length, you might need glasses.
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