Monitor camera parameters how to see the bigger the bigger the better?
Lens focal length and angle Focal length Specification angle 2.1 mm Small lens 1/3 150 ° 2.5mm. Small lens 1/3 130 ° 2.8mm Small lens 1/3 115 ° 2.8mm. Fixed aperture 1/3 115 ° 2.8mm 1 / 3 96 ° 4mm 1/3 78 ° 6mm 1/3 53 ° 8mm 1/3 40 ° 12 mm 1/3 23 ° 16 m 1/3 17 ° 3.5-8 mm 1/3 96 ° - 45 ° 6-15 mm 1 / 3 54 ° - 23 ° 6-36mm
Suitable for the best is the Yeah, professional monitoring, space information
The more the focal length, the more able to shoot distant objects, but the smaller the perspective, so depends on your specific needs, if you need a large range, you have to choose a small focal length, if you need to shoot distant, then select Focal length.
