Refractor: Difference between revisions
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A device in which the phenomenon of refraction is used to alter the spatial distribution of the luminous flux from a source. | A device in which the phenomenon of refraction is used to alter the spatial distribution of the luminous flux from a source. | ||
Latest revision as of 09:41, 17 September 2026
A device in which the phenomenon of refraction is used to alter the spatial distribution of the luminous flux from a source.
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
