fill light

US /ˈfɪl ˌlaɪt/
UK /ˈfɪl ˌlaɪt/
"fill light" picture
1.

補光燈, 輔助光

a light used in photography or cinematography to soften shadows and reduce contrast, typically placed opposite the main light source

:
The photographer used a fill light to illuminate the subject's face evenly.
攝影師使用補光燈均勻照亮拍攝對象的臉部。
Without a fill light, the shadows on one side of the model's face were too harsh.
如果沒有補光燈,模特兒臉部一側的陰影會太生硬。