isocandle diagram

isocandle diagram

[¦ī·sə¦kan·dəl ′dī·ə‚gram]
(optics)
A diagram showing the distribution of light from a lighting system in various directions by means of contours connecting directions of equal luminous intensity, projected in a suitable manner.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.