Security camera lenses Comparison: Pentax, Tamron (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Zoom type |
Manual
|
--
|
--
|
Motorised
|
| Lens Format inches |
2/3
|
1/2.7
|
1/1.8
|
1/1.8
|
| Focal Length mm |
12.5 ~ 75
|
3 ~ 9
|
15 ~ 50
|
10 ~ 360
|
| Iris Type |
Manual Iris
|
--
|
--
|
Auto Iris
|
| Lens Mount |
C
|
--
|
--
|
C
|
| F-Stop |
1.8
|
F/1.3 ~ F2.2
|
F1.4
|
--
|
| Zoom Ratio |
6:1
|
--
|
--
|
36x
|
| Filter Size mm |
49 Dia
|
--
|
--
|
--
|
| Lens Type |
--
|
Zoom
|
Zoom
|
Zoom
|
| IR Corrected (Aspherical) |
--
|
✔
|
--
|
--
|
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