Exposure value (EV) is a number that represents the amount of light reaching the camera's sensor or film. It combines both the aperture setting and the shutter speed into a single value to indicate the overall exposure of an image. A higher EV means more light and a brighter image, while a lower EV means less light and a darker image. Adjusting the exposure value helps photographers achieve the desired brightness and detail in their photos.

“exposure value”的英语定义和含义

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