CCTV cameras Comparison: Bosch, Visionhitech (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size " |
1/3
|
--
|
--
|
1/3
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
True Day / Night
|
| Resolution TVL |
520
|
600
|
600
|
650
|
| Digital (DSP) |
✔
|
--
|
--
|
--
|
| Specialist Types |
Infrared
|
Infrared
|
--
|
--
|
| Auto Iris |
✔
|
--
|
--
|
--
|
| Sensitivity lux |
0.0
|
--
|
0.0001
|
0.1
|
| Voltage |
12 V DC
|
12 V DC
|
12 V DC / 24 V AC
|
12 VDC / PoE
|
| Focal Length mm |
3.8 ~ 9.5
|
3.6
|
--
|
--
|
| Picture Elements HxV |
768 x 494
|
--
|
--
|
--
|
| Gamma Correction |
0.45
|
--
|
--
|
--
|
| Electronic Shutter range |
1/60 ~ 1/100,000
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
45
|
--
|
--
|
--
|
| Signal Mode |
NTSC
|
--
|
--
|
--
|
| Wide Dynamic Range |
--
|
--
|
--
|
✔
|
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