Difference between revisions of "Luminous Range"
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Revision as of 10:00, 25 February 2009
2-1-250
Luminous Range (of a light)
The maximum distance at which a light can be seen, as determined by the luminous intensity of the light, the atmospheric transmission factor and the threshold of illuminance on the eye of the observer (2-1-390).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)