Perhaps the most common lighting scenario is to use an on-camera flash as the fill light, and sunlight as the main light.

也许最常见的照明场景是使用一个摄影闪光灯作为填充光，阳光会为主要的光。

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Sarvdeep: : Understanding people's psychological response to various lighting scenarios and knowing how to achieve the right scenario with light is lighting design.

灯光设计就是要了解人对不同灯光情景有什么样的心理反应，并知道怎么通过灯光来营造适合的灯光场景。

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This scenario is commonly referred to as 'head-lighting' because it looks like the dark space on the road between the headlights of a car.

ENGADGET: 3M Uniformity Tape improves lighting quality on LED edge-lit LCDs, lowers production costs