Dome cameras Comparison: Bosch, Visionhitech (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/3
|
1/3
|
1/3
|
1/3
|
| Colour Type |
Colour
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
540
|
650
|
650
|
650
|
| Dome Type |
Continuous Rotation
|
Static
|
Variable focus
|
Variable Focus
|
| Sensitivity lux |
0.23
|
0.1
|
0.1
|
0.1
|
| Indoor/Outdoor |
Indoor/Outdoor
|
Indoor
|
Indoor
|
Indoor
|
| Voltage |
10.8 ~ 39 V DC / 12 ~ 28 V AC
|
12 VDC, 24 VAC
|
12 VDC, 24 VAC
|
12 VDC, 24 VAC
|
| Focal length |
3.7 ~ 12
|
3.3 ~ 12
|
3.3 ~ 12
|
3.3 ~ 12
|
| Rotation Angleso |
360 pan, 90 tilt
|
--
|
--
|
--
|
| Back Light Compensation |
✔
|
--
|
--
|
--
|
| Auto Gain Control |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
> 50
|
--
|
--
|
--
|
| Synchronisation |
Internal, Line-lock
|
--
|
--
|
--
|
| Signal Mode |
PAL / NTSC
|
--
|
--
|
--
|
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