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Old Oct 23, 2006, 10:26 AM   #4
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Join Date: Jul 2006
Posts: 788

Eh, without getting too complex with the astronomy stuffs etc...:lol:I am just curious to know what is the focal length of our eyes in terms of mm. (Just as a dSLR lens have 20, 30, 35, or 50 mm etc...) So our eyes is like a lens with __ mm? :-)

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