To avoid a reduction in sharpness, only use an IR corrected lens on HD cameras if Infra Red light is used

Security camera lenses can have an optional coating that is used to correct the focusing of infra red light. This coating has an impact on the resolution the lens can resolve, which on Standard Definition cameras is not noticeable but is on Mega Pixel cameras. Related Topics

Correct camera focus for night time viewing

So the installer setup the surveillance cameras, showed you the CCTV system and everything was as you hoped. A nice tight image that will identify the suspects perfectly. Well so you thought until you had the night time break in and the pictures were all out of focus I have heard installers say it is […]