pinhole camera

American  

noun

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

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pinhole camera British  

noun

1. a camera with a pinhole as an aperture instead of a lens

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Etymology

Origin of pinhole camera

First recorded in 1890–95

Example Sentences

If you don't have access to eclipse glasses, you can create a simple pinhole camera with just two sheets of cardboard or even use a colander to project the Sun's image safely onto the ground.

From BBC

I walked over to the Oclipsinator, a large pinhole camera that projected the eclipse onto a white card.

From Slate

“The sun will be a little bit brighter, but you shouldn’t ever look at it except during totality without either approved eclipse glasses or in the correct pinhole camera,” Christian said.

From Seattle Times

Another way to monitor the eclipse’s progression is through a pinhole camera, which can be made by poking a hole in a piece of aluminum foil or paper with a safety pin, paper clip or pencil, and projecting the image of the sun onto the ground.

From Los Angeles Times

If you cannot get one, make a pinhole camera and project the Sun's disk onto paper or another surface.

From DOGO News