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Day/night lens.


Rainbow CCTV CCTV
abbr.
closed-circuit television


CCTV closed-circuit television
 of Irvine, California Irvine is an incorporated city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Formally incorporated on December 28 1971, the 69.7 square mile (180.5 km²) city has a population of 202,079 (as of 2007). , offers new CCTV lens technology in its new day/night lens. The lens corrects the focus shift that occurs with standard lenses when switching from visible to infrared illumination. The lens is designed to focus the visible and invisible infrared light Noun 1. infrared light - electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
infrared emission, infrared radiation, infrared
 rays onto a single focal plane The plane, perpendicular to the optical axis of the lens, in which images of points in the object field of the lens are focused. . The CS-mount lens is in 1/3-inch format with DC auto-iris. It provides excellent sharpness and contrast with a low aperture of F1.2. Other features include locking screws and a four-pin connector. 425
COPYRIGHT 2005 American Society for Industrial Security
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2005 Gale, Cengage Learning. All rights reserved.

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Title Annotation:Marketplace
Publication:Security Management
Date:Apr 1, 2005
Words:86
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