1. Exposure compensation is an exposure control mode.
2. If the ambient light source is dark, you can increase the exposure value (such as adjusting to +1EV, +2EV) to highlight the sharpness of the picture.
3. Exposure compensation is to consciously change the "appropriate" exposure parameters automatically calculated by the camera to make the photos brighter or darker.
4. Photographers can adjust the light and shade of photos according to their ideas, and create unique visual effects.