该照明光学装置为基于来自光源(1)的光，对被照射面(M,W)进行照明的照明光学装置。
A lighting optical device for lighting surfaces to be lighted (m, W) based on a light from a light source (1).
该照明光学装置为基于来自光源(1)的光，对被照射面(M,W)进行照明的照明光学装置。
A lighting optical device for lighting surfaces to be lighted (m, W) based on a light from a light source (1).
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