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Area Lighting / Radiometric, photometric and colorimetric measurements: physical detectors

IEV ref 845-25-079

Symbol
α

en
angle of observation
angle of view
angle that the viewing direction makes with the normal of the surface being viewed

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


fr
angle d'observation, m
angle de vision, m
angle de la direction d'observation avec la perpendiculaire de la surface observée

Note 1 à l'article: L'angle d'incidence est exprimé en radian (rad) ou degré (°).


ar
زاوية المراقبة
زاوية الرؤية

de
Beobachtungswinkel, m

it
angolo di osservazione
angolo di vista

ko
관측각

ja
視野角
見込み角

pl
kąt obserwacji, m

pt
ângulo de observação

zh
观察角度
视角, <相关条目:IEV 845-22-079>

Publication date: 2020-12
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