fogging

I am getting condensation on the outside of the dome on my Dahua IPC-HDBW4231F-AS whenever I open my front door on a cold day. (It's winter and I'm in New Hampshire) The warm air hits the camera and temporarily fogs the dome for maybe 5 or 10 seconds. Seems the camera is in the exact path of...

Hello folks...as always, looking to this great group of people for some sage advice. I have purchased and installed seven of these Dahua HFW4300S cameras and have had pretty good luck with all of them. Until today! I just installed another one and the lens keeps fogging up from the inside. It's...