They also hire and train employees, buy supplies, keep records, and bill customers. Commercial photographers take pictures of products, buildings, landscapes, and other topics. Industrial photographers use photographs or videotapes for publicity or studying engineering projects. They also may use them as records of equipment development. This photography is often done on location.
Scientific photographers do illustrations for scientific publications.
They usually specialize in a field, such as biology or medicine. Biomedical photographers record medical procedures, such as surgery. Photojournalists take pictures of newsworthy events, people, and places. They usually work for newspapers, magazines, or television stations. Some are salaried staff.