HIKVISION DS-2CD6825G0

Chapter 2. Installation specification
2.1 Focal length and counting width
The counting width depends on the installation height. The recommended installation height for
dual-lens camera is less than 4.0m (13.1ft). The specific corresponding relation shown below:
Focal length
(mm/ft)
Installation height
（m/ft）
Max. counting width
（m/ft）
Max. counting depth
（m/ft）
2/0.066
2.1/6.9
1.02/3.3
0.58/1.9
2.2/7.3
1.28/4.2
0.72/2.4
2.3/7.5
1.54/5.1
0.86/2.8
2.4/7.9
1.79/5.9
1.01/3.3
2.5/8.2
2.05/6.7
1.15/3.8
2.6/8.5
2.3/7.5
1.3/4.3
2.7/8.9
2.56/8.4
1.44/4.7
2.8/9.2
2.82/9.3
1.58/5.2
2.9/9.5
3.07/10.1
1.73/5.7
3.0/9.8
3.33/10.9
1.87/6.1
3.1/10.2
3.58/11.7
2.02/6.6
3.2/10.5
3.84/12.6
2.16/7.1
3.3/10.8
4.1/13.5
2.3/7.5
3.4/11.2
4.35/14.3
2.45/8
3.5/11.5
4.61/15.1
2.59/8.5
3.6/11.8
4.86/15.9
2.74/9