The copyright of a picture is generally owned by the person who captured the image, not the camera owner. This means that if someone else takes a picture using your camera, they would be the copyright owner of the image, not you. As the copyright owner, they have the exclusive rights to reproduce, display, distribute, and create derivatives of the image.
There may be exceptions to this rule, such as when a photograph is created as a work made for hire. This means that if a photographer is hired to take photos for a client, the client may be considered the copyright owner of the images. Additionally, if the photographer is an employee of a company and takes photos as part of their job duties, the company may be considered the copyright owner of the images.
To prove ownership of a copyrighted image, the photographer can register the image with the US Copyright Office. This provides a public record of their ownership and can help in the event of a copyright infringement dispute. It is also a good practice for photographers to include a copyright notice on their images, such as © [Photographer's Name] [Year], to assert their ownership and discourage others from using their images without permission.