Photography - Research Article from World of Physics

This encyclopedia article consists of approximately 4 pages of information about Photography.
This section contains 1,196 words
(approx. 4 pages at 300 words per page)
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Photography is the recording of visible images by focusing light on light-sensitive materials. English astronomer Sir John Herschel (1792-1871) first used the term photography in 1839. The word comes from the Greek photos, meaning light, and graphos, meaning writing.

There are many forms of photography. Still photography captures individual self-contained images on single sheets of film. Portraits are an example of still photography. Motion photography, also called cinematography, records a series of images illustrating a subject in motion. These photographic images are focused onto a screen using a movie projector. Television, video, even medical x rays are based on the principles of photography.

The predecessor to the modern handheld camera was the camera obscura. This giant, cumbersome device consisted of a dark box or room with a tiny hole in one wall. When peered through the tiny opening, an inverted image could be seen on the opposite wall. Leonardo...

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This section contains 1,196 words
(approx. 4 pages at 300 words per page)
Buy the Photography Encyclopedia Article
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