When installs cannot be completed because of an overlooked connector, the install can’t be completed. So when ordering equipment, for each camera run, you have to think about power and video.
There are many different BNC connectors and baluns. The type and brand are not important. For now just remember to get two (2) per camera run. [click to continue…]
Fixed lens cameras have a set field of view and cannot be manipulated to produce a wider or narrower angle. These lenses are generally found as 3.6mm, 4.3mm, 8mm, 12mm, etc. The higher the number of focal length, the more telephoto the image and the narrower the angle of view. However, this has nothing to do with the actual size of the lens itself. You can obtain a 3.6mm lens which can range in physical size from 1mm (on a micro pinhole type camera) to the size of a soda can (for much larger security type cameras). [click to continue…]