To further complicate focusing, night scenes rarely have enough light or contrast to perform auto focus, nor enough viewfinder brightness to manually focus.
夜景不便自动对焦，因为没有足够的光线或者鲜明的对比，而若手动对焦，取景器亮度又不够，这些使得夜间摄影的对焦更为复杂。
Speaking of sensors, we experienced problems with the auto-brightness setting, which would dim the screen too much in low light, while behaving normally in daylight.
说到传感器，我们发现一个亮度自动调节的问题，在日光下屏幕亮度自动调节正常，但在暗环境中屏幕会自动变得过于昏暗。
But it's tough to use a dim screen in bright environments, so most phones offer an auto-brightness mode that automatically adjusts the screen's brightness based on ambient light.
但是在明亮的环境下使用昏暗的屏幕是非常难受的，所以大多数手机都提供自动亮度调节模式，可以根据周围环境的亮度自动调节屏幕亮度。
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