pinhole camera

noun
a simple camera in which an aperture provided by a pinhole in an opaque diaphragm is used in place of a lens.

Origin:
1890–95

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World English Dictionary
pinhole camera
 
n
a camera with a pinhole as an aperture instead of a lens

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
Basically a pinhole camera which records the sun's arc across the sky for six months.
Cooling for this mesh must come from the boundary of the pinhole camera pinhole.
Let students know that the image of the sun with the pinhole camera will be small.
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