Unlike during daytime where the basis is (roughly) a 18% gray card, there is not really a consistent, commonly agreed upon way to expose night photos.

白天摄影大致只需要一张18%灰卡，夜间摄影与之不同，没有一致公认的固定曝光值。

youdao

Unlike during daytime where the basis is (roughly) a 18% gray card, there is not really a consistent, commonly agreed upon way to expose night photos.

白天摄影大致只需要一张18%灰卡，夜间摄影与之不同，没有一致公认的固定曝光值。

youdao