Compare NDF831 with NDF821 (2)
Contact manufacturer | Contact manufacturer | |
Chip Inch Size |
1/3
|
1/3
|
Colour Type |
Colour
|
Colour
|
Resolution TVL |
1280x 960
|
--
|
Sensitivity lux |
0.5
|
0.1
|
Pan Speed o/ sec |
350
|
--
|
Digital (DSP) |
✔
|
--
|
Tilt Speed o/ sec |
150
|
--
|
Indoor/Outdoor |
Indoor/Outdoor
|
--
|
Voltage |
12V DC / 24 V AC, PoE
|
24 V AC, 12 V DC
|
Focal length |
3 ~ 9
|
4
|
Rotation Angleso |
31.8 ~ 90 (H) x 23.9 ~ 66.2
|
--
|
Compression |
M-JPEG, JPEG, MPEG-4
|
H.264, MPEG4, Motion JPEG
|
Back Light Compensation |
✔
|
✔
|
Auto Gain Control |
✔
|
✔
|
White Balance |
✔
|
✔
|
Electronic Shutter range |
1/30; Support long shutter 1/7.5~4
|
1/10000 ~ 1/3.75
|
Synchronisation |
Internal
|
Internal
|
Signal Mode |
PAL/NTSC
|
PAL/NTSC
|
Built-in IR LED |
✔
|
--
|
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