CCTV camera lenses Comparison: Dahua Technology, Farfisa (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Lens Type |
Fixed
|
--
|
--
|
--
|
| Zoom type |
Manual
|
Motorised
|
--
|
--
|
| Lens Format inches |
1
|
2/3
|
1/3
|
1
|
| Focal Length mm |
35
|
12.5-75
|
2.6
|
25
|
| Iris Type |
Manual Iris
|
Auto Iris
|
Manual Iris
|
Manual Iris
|
| Lens Mount |
C
|
C
|
CS
|
C
|
| F-Stop |
F1.4-16
|
1.2
|
1.6
|
1.3
|
| Filter Size mm |
M37x0.5
|
--
|
--
|
--
|
| Minimum Object Distance m |
1.2
|
--
|
--
|
--
|
| Angle (Field) of View o |
--
|
22º - 3.8º
|
87
|
11.3
|
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