History of Films/Cameras Early on 1800’s there were only stills/pictures. Eastman Kodak developed the first celluloid film. However, there were no motion film or movies. In the 1870’s Eadweard Muybridge experimented with moving images / motion (horse legs in motion).  Persistence Of Vision Persistence of vision is the optical phenomenon where the illusion of motion … Continue reading History, Image Formation, SD vs HD