CCTV cameras Comparison: videotronic infosystems, Hunt Electronics (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size " |
1/3
|
1/3
|
1/3
|
1/3
|
| Colour Type |
Colour
|
Monochrome
|
Colour
|
Monochrome
|
| Resolution TVL |
460
|
420
|
380
|
420
|
| Sensitivity lux |
0.07
|
0.1
|
1.0
|
0.1
|
| Lens Mount |
C/CS
|
CS
|
CS
|
CS
|
| Voltage |
12
|
12
|
12
|
12
|
| Focal Length mm |
4.3
|
--
|
4 ~ 8
|
3.6
|
| Gamma Correction |
0.45
|
--
|
0.45
|
0.45
|
| Electronic Shutter range |
1/50 - 1/100,000
|
1/50 ~ 1/100,000
|
1/50 ~ 1/100,000
|
1/50 ~ 1/100,000
|
| S/ N (Signal/ Noise) Ratio dB |
56
|
> 48
|
> 48
|
> 48
|
| Synchronisation |
Internal, Line-lock
|
Internal / Line-lock
|
Internal / Line-lock
|
Internal / Line-lock
|
| Signal Mode |
CCIR
|
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
| Picture Elements HxV |
--
|
512 x 582 (PAL)
|
500 x 582 (PAL)
|
500 x 582 (PAL)
|
| Back Light Compensation |
--
|
✔
|
✔
|
✔
|
| Auto Gain Control |
--
|
✔
|
✔
|
✔
|
| White Balance |
--
|
✔
|
--
|
✔
|
| Digital (DSP) |
--
|
--
|
✔
|
✔
|
| Specialist Types |
--
|
--
|
PCB
|
PCB
|
| Auto Iris |
--
|
--
|
✔
|
✔
|
| Direct Drive |
--
|
--
|
✔
|
✔
|
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