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A camera obscura (pl. camerae obscurae or camera obscuras; from Latin camera obscūra 'dark chamber') [1] is the natural phenomenon in which the rays of light passing through a small hole into a dark space form an image where they strike a surface, resulting in an inverted (upside down) and reversed (left to right) projection of the view outside.
1 5th century BC. 2 2nd century BC. 3 10th century. 4 11th century. 5 12th ... including the first use of the camera obscura to prove that light travels in straight ...
An 18th-century artist utilizing a camera obscura for image tracing. The camera obscura (from the Latin for 'dark room') is a natural optical phenomenon and precursor of the photographic camera. It projects an inverted image (flipped left to right and upside down) of a scene from the other side of a screen or wall through a small aperture onto ...
By 400 BC: Camera obscura described by Mo-tzu (or Mozi) in China. [245] 4th century BC ... 11th century: Early versions of the Bessemer process are developed in China.
The camera obscura was well known for centuries and documented by Ibn al-Haitham in his Book of Optics of 1011–1021. In 13th-century England Roger Bacon described the use of a camera obscura for the safe observation of solar eclipses, exactly because the viewer looks at the projected image and not the sun itself.
Shen, who never asserted that he was the first to experiment with camera obscura, hints in his writing that camera obscura was dealt with in the Miscellaneous Morsels from Youyang written by Duan Chengshi (d. 863) during the Tang dynasty (618–907), in regard to the inverted image of a Chinese pagoda by a seashore. [72]
A British tourist was stunned to learn she had breast cancer after a photo opportunity at a museum picked up on the presence of a tumor. Bal Gill, a 41-year-old mother from Berkshire, England ...
4th century BC: Mozi in China gives a description of the camera obscura phenomenon. 4th century BC: Around the time of Aristotle, a more empirically founded system of anatomy is established, based on animal dissection.