Lighting Design and Simulation Knowledgebase

Lighting Design Glossary

Diese Seite in Deutscher Sprache | Contact | Sitemap | Search

Beam Axis

(Term of photometry)

The direction along the center of the solid angle (beam angle) within wich the luminous intensity of a luminaire is above a defined threshold (usually 50%). For projectors with lenses, the beam axis most often coincides with the optical axis.

 

References:
   beam angle
luminous intensity
solid angle
 
 
English    German
beam axis    Der Hauptstrahl
http://www.schorsch.com/en/kbase/glossary/beam-axis.html
Copyright © 2004-2020 schorsch.com