irising effect

…close a scene; and the iris shot, in which the frame either is gradually blacked out in a shrinking circle, thereby ending a scene, or gradually opened in a widening circle, beginning a scene. He refined methods of taking close-ups and long shots and was one of the first cinematographers…

…image while introducing the next), irising (gradually reducing the old image from the edges to a pinpoint size and then expanding the new one in the reverse way), or a turnover (in which the entire screen seems to turn over, with the new image seeming to appear on what was…