Dome cameras Comparison: Bosch, Siqura (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/4
|
1/4
|
1/4
|
| Colour Type |
Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
570
|
540
|
540
|
480
|
| Sensitivity lux |
0.5
|
0.1
|
0.01
|
0.01
|
| Dome Type |
Fixed Focus
|
Continuous Rotation
|
Continuous Rotation
|
Continuous Rotation
|
| Mount Type |
Ceiling, Wall
|
Ceiling
|
--
|
--
|
| Voltage |
12 ~ 28 V AC or V DC
|
24 V AC
|
19.2 ~ 28.4 VAC
|
19.2 ~ 28.4
|
| Focal length |
2.1 ~ 6
|
3.8 ~ 45.6
|
3.4 ~ 119
|
3.5 ~ 9
|
| Back Light Compensation |
✔
|
--
|
✔
|
✔
|
| Auto Gain Control |
✔
|
--
|
✔
|
✔
|
| White Balance |
✔
|
--
|
✔
|
✔
|
| Electronic Shutter range |
1/50 ~ 1/100,000
|
1/1 ~ 1/10
|
1/2 ~ 1/30,000
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
>46
|
--
|
50
|
--
|
| Synchronisation |
Line-lock
|
Internal
|
Internal / Line Lock
|
Internal / Line Lock
|
| Signal Mode |
CCIR/EIA
|
PAL / NTSC
|
PAL, NTSC
|
PAL, NTSC
|
| Pan Speed o/ sec |
--
|
300
|
--
|
--
|
| Tilt Speed o/ sec |
--
|
300
|
--
|
--
|
| Indoor/Outdoor |
--
|
Indoor
|
Outdoor
|
Indoor
|
| Rotation Angleso |
--
|
360 pan, -10 ~ +190 tilt
|
--
|
--
|
| Presets |
--
|
256
|
--
|
--
|
| Compression |
--
|
H.264, M-JPEG, MPEG-4
|
--
|
--
|
| Built-in IR LED |
--
|
--
|
--
|
✔
|
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