34 en Glossary | Dinion Day/Night Camera |
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contrast differences when only a portion of the image is brightly lit (e.g. a person in a sunlit doorway). See also Smart BLC.
Backfocus
The distance between the image plane and the rear portion of the lens. Correct backfocus adjustment ensures that the camera remains in focus under various conditions.
Bilinx
A communications protocol that allows remote control, configuration, and updates to be performed over the video cable (Coax or Passive UTP).
Bilinx address
The address may be set locally using the Bilinx Configuration Tool for Imaging Devices (CTFID).
C
CCD Format
Indicates the size of the camera sensor used. In general, the larger the sensor, the more sensitive the camera and the better the image quality. The format is quoted in inches, for example 1/3 or 1/2 inch.
Charged Coupled Device (CCD)
A CCD is a type of solid state image sensor used in CCTV cameras. The sensor converts light energy into electrical signals.
Color Temperature
A measure of the relative color of illumination. Generally used to specify the color balance correction of a camera to achieve a natural color image.
D
Day/Night (infrared sensitive)
A camera that has normal color operation in situations where there is sufficient illumination (day conditions), but where the sensitivity can be increased when there is little light available (night conditions). This is achieved by removing the infrared cut filter required for good color rendition. The sensitivity can be
F.01U.163.823 v1.0 2010.01 | Installation and Operation manual | Bosch Security Systems |
