The product is a 1961 Kodak Studio Techniques booklet specifically designed for portrait photography. This 65-page vintage manual is compatible with Kodak brand cameras and offers detailed guidance on mastering studio techniques for capturing stunning portraits. The booklet provides valuable insights and tips on setting up the studio environment, lighting techniques, composition, and other key aspects of portrait photography using Kodak equipment. It serves as a valuable resource for photographers looking to enhance their skills and achieve professional-quality results in portrait photography.