Page "Camera" Paragraph 6
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In the fifth century B. C., the Chinese philosopher Mo Ti noted that a pinhole can form an inverted and focused image, when light passes through the hole and into a dark area.
Mo Ti is the first recorded person to have exploited this phenomenon to trace the inverted image to create a picture.
In the tenth century, the Arabic scholar Ibn al-Haytham ( Alhazen ) also wrote about observing a solar eclipse through a pinhole, and he described how a sharper image could be produced by making the opening of the pinhole smaller.
English philosopher Roger Bacon wrote about these optical principles in his 1267 treatise Perspectiva.
The name camera obscura, Latin for " dark room ", derives from this early implementation of the optical phenomenon.
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