In the majority of video quality reduction cases it is a dirty camera lens that is the culprit. Cleaning your cameras is vital in maintaining the image & video output clarity. A monthly clean-up is more than enough to keep the CCTV camera delivering high-quality output.
It's a fairly easy task to carry out, but if precautions are not taken, you can easily mess up the process. Don't worry though, you won't go wrong if you follow these steps for cleaning your lens.