Why are the photos taken by the camera so dark? How to adjust them?

If the photo taken by the camera is dark, it means underexposure. Increasing the exposure can make the photo brighter. The specific method is as follows:

1. Turn on the flash (forced flash) for fill light. ;

2. Extend the exposure time, which is especially effective for night scene photography, but a lower shutter speed is easy to shake and requires the cooperation of a tripod;

3. Choose a larger aperture to increase the light flux.

4. Adjust AV+/- (exposure compensation) on the camera and adjust the value to the positive direction. The camera will increase the exposure based on automatic metering.

5. Set a higher sensitivity, that is, ISO value.

6. Increase the brightness in post-production software such as PS and MeituXiuXiu