A claw engages perforations in the film and pulls the film down into the film gate, placing each new frame in exactly the same position as the preceding one. When the frame is in position, it is projected onto the screen by illuminating it with a beam of light. The finish of time between the projection of each still image when no image is projected is normally not observe by the viewer. Two perceptual phenomena--persistence of vision and the critical weave frequency--...If you want to get a full essay, order it on our website: Ordercustompaper.com
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