May 20, 2012
hyperallergic: Camera obscura The camera obscura (Latin; “camera” is a “vaulted chamber/room” + “obscura” means “dark”= “darkened chamber/room”) is an optical device that projects an image of its surroundings on a screen. It is used in drawing and for entertainment, and was one of the inventions that led to photography. The device consists of a box or room with a hole in one side. Light from an external scene passes through the hole and strikes a surface inside where it is reproduced, upside-down, but with color and perspective preserved. The image can be projected onto paper, and can then be traced to produce a highly accurate representation. By the 18th century, more easily portable models became available. These were extensively used by amateur artists while on their travels, but they were also employed by professionals, including Canaletto and Joshua Reynolds, whose camera (disguised as a book) is now in the Science Museum (London). Such cameras were later adapted by Joseph Nicephore Niepce, Louis Daguerre and William Fox Talbot for creating the first photographs.

hyperallergic:

Camera obscura

The camera obscura (Latin; “camera” is a “vaulted chamber/room” + “obscura” means “dark”= “darkened chamber/room”) is an optical device that projects an image of its surroundings on a screen. It is used in drawing and for entertainment, and was one of the inventions that led to photography. The device consists of a box or room with a hole in one side. Light from an external scene passes through the hole and strikes a surface inside where it is reproduced, upside-down, but with color and perspective preserved. The image can be projected onto paper, and can then be traced to produce a highly accurate representation.

By the 18th century, more easily portable models became available. These were extensively used by amateur artists while on their travels, but they were also employed by professionals, including Canaletto and Joshua Reynolds, whose camera (disguised as a book) is now in the Science Museum (London). Such cameras were later adapted by Joseph Nicephore Niepce, Louis Daguerre and William Fox Talbot for creating the first photographs.

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