CCTV camera lenses Comparison: Ernitec, Tokina (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Lens Format inches |
1/2
|
--
|
1/2
|
1/2
|
| Focal Length mm |
9-90
|
10~550
|
20 ~ 1100
|
10 ~ 330
|
| Iris Type |
Auto Iris
|
--
|
Auto Iris
|
Auto Iris
|
| Lens Mount |
C
|
--
|
C
|
C
|
| F-Stop |
1.8-360
|
--
|
7.6 ~ 720
|
--
|
| Direct Drive |
✔
|
--
|
--
|
✔
|
| Angle (Field) of View o |
4.2-44.1
|
--
|
--
|
--
|
| IR Corrected (Aspherical) |
--
|
✔
|
--
|
--
|
| Zoom type |
--
|
--
|
Motorised
|
Motorised
|
| Minimum Object Distance m |
--
|
--
|
5
|
--
|
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