N3072
Dome Network Camera
2 Meg H.264
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Vari-Focal Lens
3. Vari-Focal Lens adjustment
Zoom in/out:
A camera with zoom capability is needed if you want to capture close-up images of an
object at a distant.
The zoom time will determine how close you need.
Focus:
A vari-focal lens offers a small zoom capability, which is adjusted manually via a
controller.
The focal length (field of view) can be manually adjusted. The most common vari-focal
lens is 3.7~12 mm.
After release the controller of Zoom In/Out or Focus counterclockwise, you can adjust the
Zoom In/out or Focus as you need by parallel move the controller.
NOTE:
Lock the controller after the lens had adjustment clockwise.
