Early box-type camera obscura.

Early box-type camera obscura.
3 3 c m
40cm
actual image size: 32cm x 25cm

Description

A camera obscura is a box or darkened room with a lens or hole, through which the image of an external object is projected onto the opposite inside wall. This camera obscura is in the form of a box. Camera obscuras were known to the ancient Greeks and Chinese, and were used by Arab astronomers in the 10th century to observe the Sun. During the Renaisance period, artists used camera obscuras to help them to draw more accurately.

Image Details

Image Ref.
 
10299907

© Science Museum / Science & Society Picture Library

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