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Old Oct 23, 2006, 11:26 AM   #4
BenjaminXYZ
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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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