Dome cameras Comparison: VIVOTEK, Bosch  (4)

Chip Inch Size
1/4
1/3
1/3
1/4
Colour Type
Colour
Colour
True Day / Night
True Day / Night
Resolution TVL
704 x 576
540
540
550
Sensitivity lux
1.0
0.44
0.05
--
Indoor/Outdoor
Indoor
Indoor
Outdoor
Outdoor
Voltage
100 - 240 VAC
12 V DC / 24 V AC
12 V DC / 24 V AC
24 V AC
Focal length
4 ~ 40
2.6 ~ 6
2.8 ~ 10.5
--
Compression
MPEG4, MJPEG
--
--
--
Back Light Compensation
--
--
Auto Gain Control
--
White Balance
--
Electronic Shutter range
1/60 ~ 1/30,000
--
1/50 ~ 1/120,000 sec
1/1 to 1/10,000 sec
Signal Mode
PAL, NTSC
PAL
PAL
NTSC/PAL
Dome Type
--
Continuous Rotation
Variable Focus
Variable Focus
Mount Type
--
Surface
Surface mount
Wall
Rotation Angleso
--
360 pan, 90 tilt
--
--
S/ N (Signal/ Noise) Ratio dB
--
>50
>50
>50 dB
Synchronisation
--
Internal, Line-lock
--
Line-Lock (–120° to 120° vertical phase adjust)
Built-in IR LED
--
--
--
Pan Speed o/ sec
--
--
--
360
Digital (DSP)
--
--
--
Tilt Speed o/ sec
--
--
--
100

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