minimum brightness

例句：

1. 1. The camera's minimum brightness setting is set to 0.
   相机的最小亮度设置被设置为0。
2. 2.The room was dimly lit due to the minimum brightness of the light bulb.
   由于灯泡的最小亮度，房间昏暗地照明着。
3. 3. The photographer adjusted the lens to achieve the minimum brightness needed for the shot.
   摄影师调整镜头以获得所需的拍摄亮度。