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A Simple Explanation of the Optics Behind Pinholes, Camera Apertures, and Your Eye

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If you’ve never thought to find out why aperture works the way it does, you should definitely check out this simple explanation of optics, aperture and pinholes by MinutePhysics.


In a couple of minutes, the video gives you a great overview of why a pinhole camera works the way it does, how you eye works to focus light, and why stopping down an aperture brings your whole scene into focus.

Plus, as a bonus, you get a great tip on how to see something clearly in a pinch if you forgot your glasses at home.

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