Optical Devices

Camera Obscura

It’s commonly used to project a landscape onto a piece of paper, allowing a viewer to trace it.


The first man-portable true motion picture camera, using a hand crank to keep to 16 frames per second. A roll of film is 1920 frames, or about 2 minutes, on a 200’ reel.

Photographic Gun

A form of motion picture camera, built into a rifle frame. It captures images to a film disc, a trigger press records images at 12 frames per second. A ‘magazine’ can hold 25 film discs.

Satefy Lamp

This is an enclosed lamp flame in a wire mesh, the enclosure allows air and light to pass but not flames.

Optical Devices

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