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Zero Lux Operation

This term refers to video imaging in pitch black (0.0 lux) lighting conditions.

Zoom
This term refers to an adjustable field of view.

Zoom Lens
Lens with the ability to change its focal length manually or through the use of a controller.

Zoom Ratio
The ratio of the starting focal length (wide) to the ending focal length (telephoto) of a zoom lens. For example, 10X zoom will magnify the image at the wide end by 10 times.



 
 
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