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CCTV Glossary U to Z

Varifocal Lens
A cctv camera lens whose focal length / viewing angle can be manually
adjusted to suit the camera view required. Typical Vari Focal lens lengths are: 2.5mm-10mm, 3.5mm-8mm, 5mm-50mm
Video Splitter
CCTV device that splits the video signal from a camera (or cameras) so
it can be used more than once.
Zoom Lens
A lens which has variable focal lengths. The image can be 'zoomed' in
or out whilst the view of the camera remains in focus.

 
   
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