32.9 MB (1.5 MB compressed)
4800 x 2399 pixels
40.6 x 20.3 cm ⏐ 16.0 x 8.0 in (300dpi)
SCIENCE SOURCE / SCIENCE PHOTO LIBRARY SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
A camera obscura is an optical device that led to photography and the photographic camera. 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, inverted (upside-down), but with colour and perspective preserved. The image can be projected onto paper, and can then be traced to produce a highly accurate representation. Such cameras were later adapted by Joseph Nicephore Niepce, Louis Daguerre and William Fox Talbot for creating the first photographs.
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