3Svision N6074 User Manual page 16

Bullet Network Camera
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 3.3~12 mm.
After release the controller of Zoom or Focus clockwise, you can adjust them as you need
by parallel move the controller.
NOTE:
Tighten clockwise the controller after the lens had been adjusted.
3. Fixed Lens (*N6075/N6077)
The focus of fixed lens had been set by factory.
Release clockwise the controller of the focus and then twist the lens to adjust the focus if
necessary.
NOTE:
Tighten clockwise the controller after the lens had been adjusted.
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