Monitor the farthest distance from the camera can be far, which manufacturers out
Commonly used fixed lens camera lens focal length specifications are 4mm, 6mm, 8mm, 16mm, 25mm, viewing angle were about 80 degrees, 65 degrees, 50 degrees, 30 degrees, 15 degrees, the effective distance of 10 meters, 20 meters, 30 meters, 40 meters, 50 meters.
Wave particles surveillance camera high-speed dome camera up to 36 times zoom, the details of the furthest to see 200 meters should be no problem, the outline of 500 meters is no problem.
Install the variable speed movement of the ball machine lens can achieve 30 times zoom, the focal length is generally from 4mm to 96mm, monitoring distance can reach about 150 meters.
The effective distance of the surveillance camera is determined by the lens focal length used, and there is no direct relationship with the manufacturer. Surveillance cameras on the market effective monitoring distance is generally in the five meters to 150 meters.
