2CD2385FWD-1 white haze issue

Hello I’ve 6 of these 2 that see more direct sunlight than others have developed a white haze, one at the back and one at the front of the house where the sun rises and sets, all software updated several times since I’ve noticed it, lens are clear, every setting has been checked and is the same as the others which are working perfectly. Has anyone any ideas? When the sun comes out and not even directly on the units they look like the white balance is out, but it’s on auto.

I've attached a...

2CD2385FWD-1 white haze issue