I'm new to this, and a dome camera (Hikvision
DS-2CD2132F) on my covered front porch was the first camera I installed. I chose a dome (before I found this forum) mostly because I thought it was the most discreet looking option.
It's turned out to be a huge PITA to work with in terms of IR light bleed. There is a foam ring that surrounds the lens. This ring has to "poof out" enough to make contact with the inside of the dome, otherwise the IR light bleeds into the camera picture and everything looks foggy (when IR is on). The way the camera came positioned in the dome from the factory, there was no problem with this. But the way I've got the camera positioned on my porch, it's been a struggle to fix the IR light bleed. Take the dome off (for troubleshooting) and the picture is perfect. Put the dome back on and make sure the ring is puffed out, and it looks good for a day or two, then it's back to foggy. I've given up fighting this and have disabled IR.
I personally don't care for the look of a bullet cam on my front porch, so I'm probably going to replace this dome camera with a turret one, and find another use for this dome camera.