Where the celluloid hits the light. The part of a motion picture projector where each frame is projected. For slightly less than 1/32 sec., (outside of the US and Japan its 3/100 sec.), each tiny picture comes to a halt, and is illuminated by the projection lamp. This casts an image through the lens onto the screen. In reality; the image is projected 3 times through the use of a three bladed shutter. This reduces the perceived flicker. Intermittent motion is achieve through the use of a Geneva star.

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