rear view camera

Has anyone else pondered the problem of the rear view monitor lens often being dirty and blurry? The back of the car seems to get covered with dirt especially during rainy wet driving. I have to often wipe off the lens with my finger. Then I realized that constantly rubbing the lens could...

I like mine except at night. The night vision is worse than my $25 made in China one I put on the Sorento. I'm going to look into it when I can. It seems odd that we are on lock down, not going much of anywhere, but I still have trouble getting free time.