Is the color-to-black hemisphere camera a black-and-white camera or a color camera?

A color-to-black camera is called a day-to-night conversion camera, which can be used both during the day and at night. In engineering applications, we often find that black-and-white cameras have higher sensitivity than color cameras, and can get good images in dark environment, especially when infrared light sources are used together, which can reach 0LUX. Therefore, color-to-black cameras are called day and night cameras. Because the CCD of color camera has different responses to light, especially in the daytime, it will be affected by invisible light, resulting in color cast, so it is necessary to filter them out by filters. However, in this way, infrared rays used for night applications are also blocked out. You know, CCD reacts quite well to infrared rays at night, just as human eyes react better during the day (of course, there is no color). In order to solve this contradiction, researchers want to provide images day and night through the same camera, and find ways to solve this problem through various means. For a long time, there have been different opinions about day and night cameras. Some people say that the day and night camera is not practical, and the color of the camera turns black, which can be used as a monitor for users to watch every day, but it can't turn black, and how good is the color monitor to see black and white images? Some say that for color CCD, the natural resolution is lower than that of black and white CCD of the same grade, and no matter how to deal with it, the black and white effect of the same CCD can not be achieved; Besides, although frame accumulation has improved some effects, it is still very noisy at night, which can't solve the problem of moving objects trailing, and it seems to be a starting point in solving the problem of day and night. Some engineers complain that there is a big gap between the camera and their own imagination after use, and some manufacturers or sellers make different interpretations of the day and night camera in their own posts, which makes engineers who need to purchase products in a dilemma and become a pony to kick down the bridge.