Compare HD3VC4A with HD51X (2)
| Contact manufacturer | Contact manufacturer | |
| Chip Inch Size |
1/3
|
1/3
|
| Colour Type |
Colour
|
Colour
|
| Resolution TVL |
340
|
550
|
| Sensitivity lux |
1.7
|
0.3
|
| Dome Type |
Continuous Rotation
|
Variable Focus
|
| Indoor/Outdoor |
Indoor
|
Indoor/Outdoor
|
| Mount Type |
Ceiling, Wall
|
Ceiling, Wall
|
| Voltage |
12 V DC / 24 V AC
|
12 VDC
|
| Focal length |
4 ~ 7
|
--
|
| Rotation Angleso |
360 Pan / 0~90 Tilt
|
--
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| S/ N (Signal/ Noise) Ratio dB |
50
|
48
|
| Synchronisation |
Internal / Line-lock
|
Internal
|
| Signal Mode |
PAL / NTSC
|
PAL
|
| Electronic Shutter range |
--
|
1/50 ~ 1/100,000
|
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