intraoptical light sighting system
intraoptical light sighting system
[‚in·trə′äp·tə·kəl ′līt ¦sīd·iŋ ‚sis·təm] (optics)
A target sighting system used with infrared pyrometers in which a visible, pulsating light is directed through the infrared optics, and gives an indication of the exact field of view, not just the centerpoint.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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