The security monitoring camera can be divided into black and white color, because the monochrome camera has high-resolution, low-light advantages, especially can image infrared light, among TV monitoring system, the black and white CCD camera still has a higher market share. By the way,
Wholesale online is a good way of buying CCTV system. The camera listed in the CCTV security surveillance equipments list are usually without lens (except integrated camera), so in the practical applications, we need choose the appropriate lens for the camera based on the actual environment of monitoring site and the user’s requirement.
The use of spy cameras is very simple, usually as long as the lens is properly installed, connected with signal cables, power, it can immediately work.
When installing the lens, you need remove the protective cover of the camera and lens firstly, then gently rotating the lens into the camera lens interface and placing.
Adjusting the lens aperture and focus, switching off the electronic shutter and backlight compensation switches and others, then directing the camera at the scene you want to monitor, adjusting the lens aperture and focus ring, so that the image is best.
In the above adjustment process, if you not pay attention to open the lens aperture as large as possible in bright light, but shut small, the monitoring camera electronic shutter will automatically adjust at low speed, so it can still formed a better image on the monitor.
