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Lighting Design Glossary

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Mirror Angle

(Term of radiometry/photometry)

In reference to viewer and an observed surface, the angle equal and opposite to the viewing angle.

In the case of a specular reflecion on a surface, this means that both incident and the leaving ray have the same absolute (but opposite real) angle to the normal vector of the surface.

 

References:
   photometry
radiometry
specular
normal vector
 
 
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mirror angle    Der Reflexionswinkel
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