Dome cameras Comparison: VIVOTEK, Bosch (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Chip Inch Size |
1/4
|
1/3
|
1/3
|
1/3
|
Colour Type |
Colour
|
Colour
|
True Day / Night
|
True Day / Night
|
Resolution TVL |
704 x 576
|
540
|
540
|
540
|
Sensitivity lux |
1.0
|
0.44
|
0.05
|
0.005
|
Indoor/Outdoor |
Indoor
|
Indoor
|
Outdoor
|
Indoor
|
Voltage |
100 - 240 VAC
|
12 V DC / 24 V AC
|
12 V DC / 24 V AC
|
12 V DC / 24 V AC
|
Focal length |
4 ~ 40
|
2.6 ~ 6
|
2.8 ~ 10.5
|
3.8 ~ 9.5
|
Compression |
MPEG4, MJPEG
|
--
|
--
|
--
|
Back Light Compensation |
✔
|
✔
|
--
|
--
|
Auto Gain Control |
✔
|
✔
|
--
|
✔
|
White Balance |
✔
|
✔
|
--
|
✔
|
Electronic Shutter range |
1/60 ~ 1/30,000
|
--
|
1/50 ~ 1/120,000 sec
|
1/50 – 1/120,000 (PAL) 1/60 – 1/120,000 (NTSC)
|
Signal Mode |
PAL, NTSC
|
PAL
|
PAL
|
PAL / NTSC
|
Dome Type |
--
|
Continuous Rotation
|
Variable Focus
|
Variable Focus
|
Mount Type |
--
|
Surface
|
Surface mount
|
--
|
Rotation Angleso |
--
|
360 pan, 90 tilt
|
--
|
--
|
S/ N (Signal/ Noise) Ratio dB |
--
|
>50
|
>50
|
> 50
|
Synchronisation |
--
|
Internal, Line-lock
|
--
|
--
|
Built-in IR LED |
--
|
--
|
✔
|
--
|
Digital (DSP) |
--
|
--
|
--
|
✔
|
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