Dome cameras Comparison: Visionhitech, Hikvision (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/3
|
--
|
--
|
--
|
| Colour Type |
True Day / Night
|
True Day / Night
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
540 TVL
|
2 MP
|
5 MP
|
2 MP
|
| Sensitivity lux |
0.2
|
0.01 lux @ (F1.2, AGC ON), 0 lux with IR
|
0.01 Lux @ (F1.0, AGC ON), 0 Lux with white light
|
0.01 Lux @ (F1.0, AGC ON), 0 Lux with white light
|
| Voltage |
12 V DC
|
12 V DC / 24 V AC
|
12 V DC
|
12 V DC
|
| Focal length |
3.3 ~ 12 mm
|
2.8 ~ 12 mm
|
2.8; 3.6; 6 mm
|
2.8; 3.6; 6 mm
|
| Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
| White Balance |
✔
|
✔
|
✔
|
✔
|
| Electronic Shutter range |
1/60 ~ 1/120,000 s
|
--
|
PAL: 1/25 s ~ 1/50,000 s; NTSC: 1/30 s ~ 1/50,000 s
|
PAL: 1/25 s ~ 1/50,000 s; NTSC: 1/30 s ~ 1/50,000 s
|
| S/ N (Signal/ Noise) Ratio dB |
>50
|
>62
|
--
|
--
|
| Synchronisation |
Internal
|
Internal
|
--
|
--
|
| Signal Mode |
NTSC/PAL
|
PAL, NTSC
|
PAL, NTSC
|
PAL, NTSC
|
| Digital (DSP) |
--
|
✔
|
✔
|
✔
|
| Indoor/Outdoor |
--
|
Indoor
|
Indoor
|
Indoor
|
| Built-in IR LED |
--
|
✔
|
✔
|
✔
|
| Dome Type |
--
|
--
|
Static
|
Static
|
| Mount Type |
--
|
--
|
Pole, Corner, Wall
|
Pole, Corner, Wall
|
| Rotation Angleso |
--
|
--
|
0 ~ 360
|
0 ~ 360
|
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