underwater Photo Course :: (4) Light Underwater :: The Inverse Square Law
                                
                                
                                    
                                        
                                            The Inverse Square Law
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                                            U/W Photo Course
                                            Learn u/w photography the easy way! 
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  One law of physics 
relevant to the photographer dictates that illumination is inversely 
proportional to the square of the distance from the source of light to the 
illuminated subject (The inverse square law of 
illumination). 
  
                                 
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