visual angle

angle subtended by an object or detail at the point of observation

Note 1 to entry: The SI unit for the visual angle is rad, although it can also be measured in milliradians, degrees, or minutes of arc.

Note 2 to entry: See also "angular subtense".

Note 3 to entry: This entry was numbered 17-1404 in CIE S 017:2011.

Publication date: 2020-12
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