Eastman Kodak Co. has announced the appointment of Henri-Dominique Petit as general manager of its Motion Picture and Television Imaging unit in Hollywood.Petit will take the post Dec. 1. He replaces Joerg Agin, who recently announced he was taking early retirement from the company. Agin had headed the unit since 1988. Petit will take up where Agin left off. During Agin’s tenure, his unit expanded its presence in Hollywood, launching a new digital facility for editing film on computers and an archiving and storage facility for preserving film and exploring new media, such as CD-ROM. Petit has been Agin’s counterpart in the international market since 1989. He has been responsible for Europe, Africa and the Middle East. He moves from London to Hollywood to take up his new post. He will report to Leo Thomas, Kodak group VP and president of Kodak Imaging in Rochester, N.Y.