CCTV cameras Comparison: Guide Infrared, Bosch (4)

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	Guide Infrared GUIDIR IR627-	Bosch LTC0455/51	Bosch LTC 0435	Bosch LTC 0495
Contact manufacturer	Contact	Contact	Contact	Contact
Colour Type	Colour / Monochrome	Colour / Monochrome	Colour	Colour / Monochrome
Resolution TVL	320 x 256	540	330	540
Specialist Types	Thermal	--	--	--
Voltage	110 ~ 220 V AC	230 V AC	12 V DC / 24 V AC	12 ~ 28 V AC
Signal Mode	PAL	PAL	CCIR/EIA	PAL/NTSC
Chip Inch Size "	--	1/3	1/3	1/3
Digital (DSP)	--	✔	✔	✔
Auto Iris	--	✔	--	✔
Sensitivity lux	--	0.018	0.24	0.0038
Direct Drive	--	✔	--	✔
Lens Mount	--	C/CS	C/CS	CS
Motion Activated	--	✔	--	--
Picture Elements HxV	--	752 x 582	500 x 582	752 x 582
Back Light Compensation	--	✔	✔	✔
White Balance	--	✔	--	--
S/ N (Signal/ Noise) Ratio dB	--	50	50	>50
Synchronisation	--	Line-Lock	Internal, Line-lock	Internal/Line-lock
Focal Length mm	--	--	2.8 ~ 50	--
Auto Gain Control	--	--	✔	✔
Electronic Shutter range	--	--	1/50 ~ 1/125,000	1/50 ~ 1/500,000

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