Difference between revisions of "Luminous Range"

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Revision as of 10:00, 1 March 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)