Mac Arne Bertil Ahlberg was a Swedish photographer, film director and screen writer. He worked in both low-budget genre films and high-budget studio features and series. As a director of photography, Ahlberg shot dozens of features, documentaries and television productions throughout Europe including the five-part documentary “Ingmar Bergman Makes a Movie.” In 1965 he directed his first feature, the Danish erotic film “I, a Woman,” a box office success that spawned two sequels.