CCTV cameras Comparison: Pelco, Dahua Technology  (4)

Chip Inch Size "
1/4
1/3
1/3
1/3
Colour Type
Colour / Monochrome
Colour / Monochrome
Colour / Monochrome
Colour / Monochrome
Resolution TVL
520
2MP
1080P
5MP
Auto Iris
--
--
--
Sensitivity lux
0.0005
0 ~ 0.008
0 ~ 0.02
--
Voltage
120, 230 V AC
12 V DC
12 V DC
12 V DC
Focal Length mm
3.8 ~ 91.2
3.6
2.7 ~ 12
3.6 mm; 6 mm; 8 mm
Mount Type
Wall
--
Wall, Pole
--
Picture Elements HxV
752 x 582
1920 x 1080
1920 x 1080
2592 x 1944
Auto Gain Control
White Balance
Electronic Shutter range
1/1.5 ~ 1/30,000 sec
1/25(1/30) ~ 1/50,000s
PAL: 1/25s–1/100000s / NTSC: 1/30s–1/100000s
1/25s–1/100000s
S/ N (Signal/ Noise) Ratio dB
>50
65
>65
--
Synchronisation
AC Line-lock, Internal
--
--
--
Signal Mode
PAL, NTSC
PAL, NTSC
PAL, NTSC
--
Digital (DSP)
--
--
Direct Drive
--
--
--
Wide Dynamic Range
--
Back Light Compensation
--
Specialist Types
--
--
Infrared
Infrared

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