Compare VC56TH-24 with VN51C-4IR (2)
| Contact manufacturer | Contact manufacturer | |
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
570
|
380
|
| Digital (DSP) |
✔
|
✔
|
| Sensitivity lux |
0.0002
|
0
|
| Lens Mount |
C/CS
|
--
|
| Voltage |
24 V AC
|
12 V DC
|
| Picture Elements HxV |
768 x 494
|
512 x 492
|
| Back Light Compensation |
✔
|
--
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| Electronic Shutter range |
1/60 ~ 1/100,000 s
|
1/60 ~ 1/100,00 sec
|
| S/ N (Signal/ Noise) Ratio dB |
>50
|
>50
|
| Synchronisation |
Internal / Line Lock
|
Internal
|
| Signal Mode |
NTSC / PAL
|
NTSC/PAL
|
| Chip Inch Size " |
--
|
1/3
|
| Specialist Types |
--
|
Infrared
|
| Focal Length mm |
--
|
4.3
|
| Gamma Correction |
--
|
0.45
|
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