15
Figure 4-5 Zoom and focus
Table 4-4 Description of zoom and focus
Parameter
Description
Zoom
Changes the focal length of the camera to zoom in or out the image.
1. Set the
Speed
value. The
Speed
is the adjustment range in one click.
The larger the value is, the more the image would zoom in or out in one
click.
2. Click or hold
+
/
–
button, or drag the slider to adjust zoom.
Focus
Adjusts the optical back focal length to make the image clearer.
1. Set the
Speed
value. The
Speed
is the adjustment range in one click.
The larger the value is, the more the image would zoom in or out in one
click.
2. Click or hold
+
/
–
button, or drag the slider to adjust zoom.
Auto Focus
Adjusts image clarity automatically.
Do not make any other operation during auto focus process.
Restore All
Restores focus to default value and corrects errors.
You can restore the focus if the image has poor clarity or has been zoomed too
frequently.
Regional
Focus
Focus on the subject of a selected area.
Click
Regional Focus
, and then select an area in the image, the camera
performs auto focus in that area.
Refresh
Get the latest zoom setting of the device.
