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 positive clicks labeled 3.5, 4, (black dot), 5.6, (red dot), 8, 11, 16, 22. The red dot indicated f 6.3. These exposure suggestions are based on ASA 10 (not 100!) film which in 1954 was still the standard film for color slides just as it had been when the Realist was introduced. The recommended setting for bright sun was a shutter speed of 1/50th with an aperture of f 6.3. Focusing on the Kodak stereo camera is done by turning a dial located on the lens mount. The two dials are ganged so that they focus together and they can