George Eastman was 15 years old. The young George left school early and started working to help support the family. As Eastman began to have success with his photography business, he vowed to repay his mother for the hardships she had endured in raising him. In 1884, Eastman patented the first film in roll form to prove practicable; he had been tinkering at home to develop it. In 1888, he perfected the Kodak Black camera, which was the first camera designed to use roll film. In 1889 he first offered film stock, and by 1896 became the leading supplier of film stock
Kodak Stereo Camera Realist format. This allowed Kodak Stereo Camera owners to use most accessories and services originally designed for the Stereo Realist. It was the second best selling stereo camera of the 1950s era, eclipsed only by the Stereo Realist. Though it lacked a rangefinder the Kodak stereo camera is often considered to be easiest of the 50s stereo cameras to use. Unlike the Realist, the Kodak had a self-cocking shutter. Like later model Realists it had built in double exposure prevention which could be overridden by the manual shutter cocking lever located on the bottom of the camera. Releasing the shutter