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SECURITY CAMERA LENS ANGLE OF VIEW CHART

1.2mm lens has approximate 185 degree field of view

1.7mm lens has approximate 170 degree field of view

2.1mm lens has approximate 158 degree field of view

2.5mm lens has approximate 147 degree field of view

2.8mm lens has approximate 130 degree field of view

NATURAL HUMAN EYE 2.97 MM

3.0mm lens has approximate 127 degree field of view

3.6mm lens has approximate 92 degree field of view

4.0mm lens has approximate 88 degree field of view

6/0mm lens has approximate 78 degree field of view

8.0mm lens has approximate 58 degree field of view

12 mm lens has approximate 28 degree field of view

16 mm lens has approximate 19 degree field of view

25 mm lens has approximate 13 degree field of view

50 mm lens has approximate 8 degree field of view

Tags: Security Camera, lens angle of view, DVR, CCTV Camera

Security Camera Video Sensor Chip
What kind of Camera Sensor is better? CMOS or CCD, or something else? Here is the security Camera Video Sensor Chip chart for your reference.

Security Camera Video Sensor Chip
(from low to high)

CMOS 1/4 chip 330 tvl

CMOS 1/3 chip 380 tvl

CMOS 1/3 chip 420 tvl

Sharp 1/4 CCD 380 tvl

Sharp 1/4 CCD 420 tvl

Sharp 1/3 CCD 420 tvl

Sony 1/4 CCD 420 tvl

Sony 1/4 CCD 480 tvl

Sony 1/3 CCD 420 tvl

Sony 1/3 CCD 480 tvl

Sony 1/3 CCD 520 tvl

Tags: Sensor Chip, Camera Video Sensor, Security Camear