The larger the lens size, the closer the viewing angle is, and you will be able to shoot distant areas closely. In addition, the zoom will be very good. The choice of the lens is necessary and important because the lens is what is called the eyes of the camera. Either you have to choose a lens for example if you take a camera camera or the lens will be integrated into your camera, everything will of course depend on the type of camera you want.
A number of Surveillance Spy Equipment come with varifocal lens that allows you to vary the angle to best fit the area to be filmed. There are several types of cameras that correspond to various uses. Each camera has different characteristics, so it is important to determine the use you want to make to choose a camera that fits your needs.
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