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How does the human eye compare to modern cameras and lenses?

This is a question that I have often wondered in order to relate what a camera lens can capture compared with what my eye can see.

Simply put there must be a focal length giving a field of vision of the lens and an aperture range of the iris indicating how much light it captures. Knowing this info would make it easier to choose focal length and aperture of a camera lens based on how well my eye can see a scene.

  • I heard from my rear end that the region that you can easily focus on is in the ballpark of 50mm although you can make your brain granularly process a small part of it or get a lower-clarity 'wide-shot'. – enthdegree Nov 3 '11 at 1:07
  • @mattdm: The question you refer to does not seem to have any information about aperture which is one of the main aspects I am interested in. – Paul Round Nov 3 '11 at 6:34
  • The other question asks about aperture, though. I haven't accepted any answer yet because I agree that none really quite cover it. Feel free to add a bounty asking for better answers. – Please Read Profile Nov 3 '11 at 10:36

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