IEVref:845-24-101ID:
Language:enStatus: Standard
Term: entrance angle, <of a retroreflector>
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Symbol: β
Definition: angle between the illumination axis and the retroreflector axis

Note 1 to entry: The entrance angle is expressed in radian (rad) or degree (°).

Note 2 to entry: This entry was numbered 845-04-95 in IEC 60050-845:1987.


Publication date:2020-12
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