Precautions For Installation And Commissioning Of HD Surveillance Cameras
May 14, 2018
Precautions for Installation and Commissioning of HD Surveillance Cameras
In the general security monitoring system installation, the installation and debugging methods of HD surveillance cameras and common surveillance cameras are basically the same, but we must pay attention to the lens selection, because the quality of the lens is not good, or the matching is not good, to a large extent Will affect the clarity of the picture, such as infrared night vision system surveillance camera is best to use infrared lenses, and 1/3-inch CCD is generally equipped with a 1/3-inch lens, 1/2-inch CCD is generally equipped with 1/2-inch Lens, focus adjustment of the lens must be adjusted during installation and debugging. In particular, the rear focal plane of the surveillance camera must be adjusted. In many cases, the unclear focus of the lens will cause blurring of the image and cannot reach the high definition requirements. In addition, the protective cover of the monitoring camera can not be ignored, the front glass of the gun protective cover can not use the general flat glass, but must use better optical glass, the general flat glass has a very powerful weakening effect on the resolution of the image, The use of spherical shell should pay more attention to the curvature of the spherical surface must be smooth transition, it is best not to point the lens at the upper edge of the spherical shell, where the refractive power of light is greater, and even seriously affect the clarity of the image. It is important to note that no matter what type of housing, the light in the housing should be as low as possible, and the distance from the lens to the housing should be as short as possible. This can minimize the light pollution in front of the lens and help improve the image. The clarity.
In addition to high-definition surveillance cameras must pay attention to the front-end installation and selection, there must also be a transmission system, intermediate systems and the use of the terminal display system in order to achieve high-definition results.
