boresight camera

boresight camera

[′bȯr‚sīt ‚kam·rə]
(optics)
A camera mounted in the optical axis of a tracking radar to photograph rockets being tracked or known, fixed targets while in camera range and thus to provide a correction for the alignment of the radar.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.