Photography in the United States product introduced by George Eastman in 1884: a flexible, gelatin-coated paper, followed closely by a holder for a 24-frame roll. Soon after this, Eastman introduced Eastman American film, which featured a thin gelatin layer that was removed from the paper backing after development for additional clarity in making prints. In 1888, Eastman's company issued the first easy-to-use, lightweight Kodak camera. It was priced at $25, loaded with a hundred frames, and was almost instantly popular. When the user had used up all 100 exposures, he or she would simply mail the camera back to Kodak, where the used film was
Kodak Retina Dr. August Nagel - Fabrik fuer Feinmechanik Werk in Stuttgart-Wangen to Kodak AG in December 1931, the new firm was designated "Kodak AG - Dr. Nagel Werk". Nagel continued to innovate including developing the Retina folding cameras around the new Kodak 135 preloaded 35mm cartridge. Prior to this, most 35mm film was loaded by the user into proprietary cartridges in a darkroom or light-tight bag. In the early 1930s August Nagel was developing a 35mm camera and a preloaded disposable 35mm film cartridge, which would also fit in Leica and Contax cameras. Nagel was an expert in miniature cameras; his