I’ve seen this a lot in action shots but I’ve never gotten a good explanation
[example photo](https://twitter.com/heat1995viewer/status/1621152303729475585?s=46&t=Ask-Z_AY7uucFNoW6Vc7FA)
In: 5
Hey OP, unfortunately no one has actually answered this correctly. This is a long exposure and a flash/light is used to provide a lot of light on the subject for an instance.
ELI5: Cameras take photos by allowing light in, and a slower shutter speed will allow for more light to be captured. This is especially helpful during the night as it will need to “absorb” more light in. While the skateboarder is moving in the dark, there isn’t enough light reaching the camera to show up in the final photo, in comparison with the rest of the scene. For a small moment, a flash or bright light is used, which lights up the skateboarder and ultimately reaches the camera. This results in the “ghosting”, as the camera sees both a really bright skateboarder for an instant, but also the darker background for a long time.
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