User's Manual

10
Install cameras using the following suggestions. Note that a shorter installation distance
translates to a smaller monitoring area.
 The maximum monitoring width for a human target is approximately 12 m (39 ft).
 The following table lists the relationship between focal lengths and installation distances:
Focal Length (mm)
2.8
3.6
6.0
8.0
12
30
Installing distance
6 m
(20 ft)
8 m
(26 ft)
13 m
(43 ft)
17 m
(56 ft)
26 m
(85 ft)
65 m
(213 ft)
 The maximum monitoring width for human targets is 12 m (39 ft).
Select a camera with a focal length between 2.7 mm to 13.5 mm when the installation
distance is between 5 m to 22 m (16 ft to 72 ft).
Select a camera with a focal length between 7 mm to 35 mm when the installation
distance is between 13 m to 55 m (43 ft to 180 ft).
 Recommended installation parameters:
Camera installation height: > 3 m (10 ft).
Note that the maximum height varies with different lens options.
Installation angle: 0° to 45° (elevation angle).
Lens: short focal length with a large angle of view.
4.4.2 Installing Cameras along the Perimeter
Install cameras along the perimeter of the monitoring area.
When installing cameras on the perimeter, there might be blind area, and you can install two
cameras face to face to realize monitoring without blind area.
 The following table lists the relationship between focal lengths and installation distances:
Focal Length (mm)
2.8
12
8
30
Monitoring Distance
1 m – 6 m
(3 ft – 20 ft)
4 m – 25 m
(13 ft – 82 ft)
3 m – 17 m
(10 ft – 56 ft)
12 m – 60 m
(39 ft – 197 ft)
 Refer to the following table for the matching relationship between different lenses and
installation distances:
Focal Length (mm)
2.8
12
8
30
Monitoring Distance
1 m – 5 m
(3 ft – 16 ft)
4 m – 22 m
(13 ft – 72 ft)
3 m – 14 m
(10 ft – 46 ft)
12 m – 50 m
(39 ft – 164 ft)