Difference between revisions of "Reinforcing Mirror"
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Latest revision as of 10:01, 1 March 2009
2-2-040
A mirror which directs on to an optical system light emitted by the light source in directions other than that of the optical system, so as to increase the luminous intensity or the angle of divergence (or both) of the beam.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
