autofocus rectifier

autofocus rectifier

[′ȯd·ō‚fō·kəs ′rek·tə‚fī·ər]
(optics)
A precise, vertical photoenlarger which permits the correction of distortion in an aerial negative caused by tilt.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.