Main article: Precursors of film
One of the first technological precursors of film is the pinhole camera, followed by the more advanced camera obscura, which was first described in detail by Alhazen in his Book of Optics (1021),[1][2][3] and later perfected by Giambattista della Porta. Light is inverted through a small hole or lens from outside, and projected onto a surface or screen. Using a camera obscura, it was possible to project a moving image, but there was no means of recording the image for later viewing.Moving images were produced on revolving drums and disks in the 1830s with independent invention by Simon von Stampfer (Stroboscope) in Austria, Joseph Plateau (Phenakistoscope) in Belgium and William Horner (zoetrope) in Britain.
The first "moving picture" photographed in real-time, rather than consisting of a series of posed photographs, was created in the US in 1878 by British photographer Eadweard Muybridge. Under the sponsorship of Leland Stanford, he photographed a horse named Sallie Gardner in rapid motion by using a series of separate still cameras. The experiment took place on June 15 at Stanford's stock farm in Palo Alto, California, with the press present, and was meant to determine whether a galloping horse ever had all four feet off the ground at the same time. The cameras were arranged in a line parallel to the edge of the track and spaced 27 inches apart. Each camera shutter was triggered by a thread as the horse passed and each exposure was made in only one thousandth of a second.[4] Among the other uses Muybridge made of the results, he copied the photographed silhouettes of the horse onto a glass disc that could be used to project the images onto a screen with a device he called a zoopraxiscope, which was effectively the first movie projector. His innovative process was an intermediate stage toward motion pictures and cinematography.
Étienne-Jules Marey invented a chronophotographic gun in 1882, which was capable of taking 12 consecutive frames a second, recording all the frames on the same picture. He used the chronophotographic gun f
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