IP cameras Comparison: Sony, Hikvision (4)

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	Sony SNC-EP550	Hikvision DS-2CD2020-I	Hikvision DS-2CD2020F-I(W)	Hikvision DS-2CD2T42WD-I3/I5/I8
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/4	1/3	1/3	1/3
Colour Type	True Day / Night	Colour / Monochrome	Colour / Monochrome	Colour / Monochrome
Resolution	1280 x 720	2 MP	2 MP	4 MP
Digital (DSP)	✔	✔	✔	✔
Specialist Type	PTZ	Infrared	Infrared	Megapixel
Sensitivity Lux	2.0	0	0.01	0.01Lux @(F1.2,AGC ON ), 0.0 28 Lux @(F 2.0 ,AGC ON), 0 Lux with IR
Voltage	24 V AC	12 V DC	12 V DC	12 V DC, PoE
Motion Activated	✔	✔	--	✔
Focal Length mm	3.5 ~ 98	--	4	--
Picture Elements HxV	1280 x 720	1920 x 1080	1920 x 1080	2688 x 1520
Image Frame Rate	30 fps	25 fps	30 fps / 25 fps	30 fps / 25 fps
Inclusion DVR/ Web Server	✔	--	--	--
Auto Gain Control	✔	✔	✔	✔
White Balance	✔	--	--	--
Electronic Shutter Range	1/1 ~ 1/10,000 s	1/25 ~ 1/100,000 s	1 /3 ~ 1/100,000 s	1/3 ~ 1/10,000s
Wide Dynamic Range	--	✔	✔	✔
Back Light Compensation	--	✔	✔	✔
Auto Iris	--	--	✔	✔
Direct Drive	--	--	✔	✔
Signal Mode	--	--	PAL, NTSC	--
High Speed	--	--	--	✔

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