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One Push:
The One-push function is to drive lens to make one-time auto-focusing
per trigger. This function is auto-driven along with certain controls, such
as making zoom change in manual focus mode…
Auto:
The AUTO mode will enforce the lens to adjust its focusing automatically
when object moves or scene has changed.
Suggestion:
if the camera is used for watching static zone constantly
with little object movement, you may set the AUTO FOCUS on;
If the camera is watching areas with heavy traffic, it is advised to choose
other focus mode, or the image may look “shaking” a lot due to
unnecessary focusing.
Manual:
To fine tune and obtain the optimum focusing.
In certain conditions, such as weak contrast, dark scene … camera’s
auto focus function may not get the best focus position. In such case,
you can adjust the focus manually.
Table -- Focus Action vs. Settings
focus
One-push
Full
-AUTO
Manual
zoom-tracking
zoom-tracking
zoom-tracking
ON
Off
ON
Off
ON
Off
scene change
no action
no action
auto focus
auto focus
no action
no action
zooming
In-focus on trip focusing at stop
In-focus on trip
auto focus
focusing at stop focusing at stop
panning
& tilting
focusing at stop focusing at stop
auto focus
auto focus
no action
no action
preset moving
focusing at stop focusing at stop
auto focus
auto focus
no action
no action
Zoom Track:
This is to drive focus-lens to move along and be coordinated with
zoom-lens, in order to keep image clear during the entire zooming
journey.
Zoom Speed:
To set the speed of zooming. Fast speed and slow speed have their own
goodness and weakness.
Fast speed saves time but may cause missing of the best position for
image size. Slow speed does the opposite for the good and bad.
It is suggested you make test to different speed before make the choice.
D-Zoom:
To utilize digital zoom or not.
Digital zoom is to fill in the display with partial of the image, therefore will
not give the same detail as the original image does. It could make help if
