However, the construction of the whole CCTV system is not solely determined by the camera, but also involves storage, transmission and other equipment.
Storage and playback are also divided into CIF, QCIF,. . . . The highest quality is d 1 (the quality of 4 cif is close to d1).
The quality of shooting at night also depends on the illumination, the white balance ability of the camera and the comprehensive judgment of the speed of the pan/tilt.
It should be said that many technologies are professional, and it is difficult for laymen to find out why.
Many domestic brands are imaginary parameters, which are difficult to judge.
There are also some so-called foreign brands that claim to be produced where they are produced. In fact, they are all OEM products produced in Guangdong, and the quality of selling dog meat is not as good as that of domestic brands.
Samsung and Panasonic can be used in normal use, and the relative cost performance is still ok. As long as you don't use fakes, you won't be fooled. Remind that Samsung is the symbol of Samsung, and similar knockoffs abound outside.