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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.
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.
Leonardo da Vinci was the most prominent practitioner of sfumato, based on his research in optics and human vision, and his experimentation with the camera obscura. He introduced it and implemented it in many of his works, including the Virgin of the Rocks and in his famous painting of the Mona Lisa. He described sfumato as "without lines or ...
A home-made pinhole camera lens. A pinhole camera is a simple camera without a lens but with a tiny aperture (the so-called pinhole)—effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura ...
He also illustrated a large workshop camera obscura for solar observations using the telescope and scioptric ball. Zahn also includes an illustration of a camera obscura in the shape of a goblet, based on a design described (but not illustrated) by Pierre Hérigone. Zahn also designed several portable camera obscuras, and made one that was 23 ...
Camera Obscura (San Francisco, California) Santa Monica Camera Obscura This page was last edited on 14 January 2020, at 01:58 (UTC). Text ...
The post 16 of the Most Famous Malapropism Examples appeared first on Reader's Digest. You've made a malapropism—and everyone from politicians to famous literature characters is guilty of errors ...
Abelardo Morell (born 1948, Havana, Cuba) is a contemporary artist widely known for turning rooms into camera obscuras and then capturing the marriage of interior and exterior in large format photographs. He is also known for his 'tent-camera,' a device he invented to merge landscapes with the texture and composition of the ground where he ...