CCTV cameras Comparison: Bosch, Dahua Technology (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Chip Inch Size " |
1/2
|
1/3
|
1/3
|
1/3
|
Colour Type |
Colour
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
Resolution TVL |
540
|
2MP
|
1080P
|
5MP
|
Digital (DSP) |
✔
|
✔
|
--
|
✔
|
Auto Iris |
✔
|
--
|
--
|
--
|
Sensitivity lux |
0.008
|
0 ~ 0.008
|
0 ~ 0.02
|
--
|
Direct Drive |
✔
|
✔
|
--
|
--
|
Lens Mount |
C/CS
|
--
|
--
|
--
|
Voltage |
12 ~ 28 V AC
|
12 V DC
|
12 V DC
|
12 V DC
|
Focal Length mm |
4.5 ~ 75
|
3.6
|
2.7 ~ 12
|
3.6 mm; 6 mm; 8 mm
|
Picture Elements HxV |
752 x 582
|
1920 x 1080
|
1920 x 1080
|
2592 x 1944
|
Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
Electronic Shutter range |
1/50 ~ 1/500,000
|
1/25(1/30) ~ 1/50,000s
|
PAL: 1/25s–1/100000s / NTSC: 1/30s–1/100000s
|
1/25s–1/100000s
|
S/ N (Signal/ Noise) Ratio dB |
>50
|
65
|
>65
|
--
|
Synchronisation |
Internal/Line-lock
|
--
|
--
|
--
|
Signal Mode |
PAL/NTSC
|
PAL, NTSC
|
PAL, NTSC
|
--
|
Wide Dynamic Range |
--
|
✔
|
✔
|
✔
|
White Balance |
--
|
✔
|
✔
|
✔
|
Specialist Types |
--
|
--
|
Infrared
|
Infrared
|
Mount Type |
--
|
--
|
Wall, Pole
|
--
|
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