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36
4.1.1.6 Zoom & Focus
Digital zoom means zooming in part of the image, the bigger it zooms in, the more blurry it becomes.
Step 1
Select “Setup > Camera > Conditions > Focus & Zoom”.
The system displays the interface of “Focus & Zoom”, which is shown in Figure 4-10.
Figure 4-10
Step 2
Configure parameter info according to the actual needs; please refer to Table 4-4.
Parameter
Note
Digital zoom
It is used to set if it is to enable digital zoom function, it is off by default.
Zoom speed
It is to set camera zoom speed, the bigger the value is, the faster the zoom
speed becomes.
Mode
It is to control the trigger mode of focus, you can select semi-auto, manual
and auto.
Semi auto: it will actively trigger focus when detecting zoom, ICR switch
and etc.
Auto: It will actively trigger focus when detecting scene change and
zoom, ICR switch and etc.
Manual: The users can adjust focus location by themselves; the device
won’t trigger focus actively.
Focus limit
It is to set the nearest distance of focus, and focus on the object beyond the
distance, the auto option will make it select proper nearest distance
automatically according to the different zoom value.
Sensitivity
It is to set the steady ability or anti-interference capability of focus, the lower
the value is, the steadier it becomes, the higher the value is, the stronger the
anti-interference capability becomes.
AF tracking
The image becomes relatively clear during zoom if the function is enabled. If
the function is disabled, then the zoom speed becomes relatively fast during
zoom.
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