Backlight problem of surveillance cameras

The backlight phenomenon at entrances and exits is a more prominent problem in the installation and use of video surveillance. To solve this problem, we have not found a completely effective method. The three methods introduced below have a certain effect on improving the backlight phenomenon. We are using In the process, it is necessary…

What models of surveillance cameras are there?

According to the classification standard, the classification is as follows: 1. According to different transmission signals, it can be divided into analog cameras and digital cameras; 2. According to the different screen resolutions, it can be divided into the standard-definition camera and high-definition camera; 3. According to the shape of the camera, it can be…

How far and wide the surveillance camera can see

How far and wide the surveillance camera can see is determined by the camera head. The effective range of all camera shots varies according to the size of the lens. The following is the size of the fixed camera lens and the size of the illuminated area: the correspondence between the lens, 1/3″ CCD, 1/4″…