Image: Red geranium photoic mesopic scotopic
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Description: Simulation of mesopic and scotopic visual appearance from a photopic (full-color) original of a red geranium with greenery and blue in the background, to illustrate the Purkinje effect or Purkinje shift
Title: Red geranium photoic mesopic scotopic
Credit: http://commons.wikimedia.org/wiki/File:Red_geranium_3.jpeg
Author: Derivative work by Dick Lyon of original by Lewis Collard
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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