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Old 10/07/2013, 08:08 AM   #41
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Join Date: Aug 2001
Location: Berkeley, CA, USA
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The ability of G. smithii to distinguish colors in the visible spectrum is actually not very good. Your eye is actually much better. G. smithii does have a complex polarization system and sees much further in to the UV. but in terms of color discrimination and acuity, it is not so hot.


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