Dome cameras Comparison: Siqura, Bosch (4)

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	Siqura HD62	Bosch VDC-455V03-10	Bosch VDI-240V03-1	Bosch VG5-613-ECS
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/4	1/3	1/3	1/4
Colour Type	Colour / Monochrome	Colour	True Day / Night	True Day / Night
Resolution TVL	480	540	540	550
Dome Type	Continuous Rotation	Continuous Rotation	Variable Focus	Variable Focus
Sensitivity lux	0.01	0.44	0.05	--
Indoor/Outdoor	Outdoor	Indoor	Outdoor	Outdoor
Voltage	19.2 ~ 28.4 VAC	12 V DC / 24 V AC	12 V DC / 24 V AC	24 V AC
Focal length	3.6 ~ 91	2.6 ~ 6	2.8 ~ 10.5	--
Presets	256	--	--	--
Compression	H.264, dual MPEG-4, MJPEG	--	--	--
Back Light Compensation	✔	✔	--	--
Auto Gain Control	✔	✔	--	✔
White Balance	✔	✔	--	✔
Electronic Shutter range	1/2 ~ 1/30,000	--	1/50 ~ 1/120,000 sec	1/1 to 1/10,000 sec
S/ N (Signal/ Noise) Ratio dB	50	>50	>50	>50 dB
Synchronisation	Internal / Line Lock	Internal, Line-lock	--	Line-Lock (–120° to 120° vertical phase adjust)
Signal Mode	PAL, NTSC	PAL	PAL	NTSC/PAL
Mount Type	--	Surface	Surface mount	Wall
Rotation Angles^o	--	360 pan, 90 tilt	--	--
Built-in IR LED	--	--	✔	--
Pan Speed ^o/ sec	--	--	--	360
Digital (DSP)	--	--	--	✔
Tilt Speed ^o/ sec	--	--	--	100

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