IP Dome cameras Comparison: VIVOTEK, Visionhitech (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/3
|
1/3
|
1/3
|
| Colour Type |
True Day / Night
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
1280 x 800
|
500
|
720 x 480
|
1280 x 1024
|
| Dome Type |
static
|
Variable Focus
|
Continuous Rotation
|
--
|
| Sensitivity lux |
0.3
|
0.1 Lux @ F1.3
|
0.00001
|
0.0
|
| Indoor/Outdoor |
Indoor/Outdoor
|
Indoor/Outdoor
|
--
|
Indoor
|
| Mount Type |
Wall
|
--
|
Ceiling
|
--
|
| Voltage |
12V DC
|
12 V DC, 24 V AC
|
12 V DC
|
12 V DC, PoE
|
| Compression |
MJPEG, MPEG-4
|
--
|
MPEG-4, M-JPEG
|
H.264, M-JPEG
|
| Back Light Compensation |
✔
|
✔
|
✔
|
--
|
| Auto Gain Control |
✔
|
✔
|
✔
|
--
|
| White Balance |
✔
|
✔
|
✔
|
--
|
| Electronic Shutter range |
1/5 ~ 1/25,0000 sec
|
1/60 ~ 1/100,000
|
--
|
--
|
| Digital (DSP) |
--
|
✔
|
--
|
--
|
| Focal length |
--
|
3.3 ~ 12
|
--
|
3 ~ 9
|
| S/ N (Signal/ Noise) Ratio dB |
--
|
> 52
|
--
|
--
|
| Signal Mode |
--
|
PAL/NTSC
|
--
|
--
|
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