We have sold over 30 thousand Wet Suits where those that own a drone can work in the Rain.
Based on this information alone I can tell you that most of those were clients who already worked in the field that they were using the drone in.
So if...
I recommmend two things :
First always get the Majority of the storm using Auto Settings. this is critical as it will not fail you.
Once you feel like you got a good part of it, you can than Dial in the ISO and play with the F Stop.
One...
However when watching the video on a 4K screen I still notice a huge gap in image quality between the 28 mm and the 70 /168 mm lenses as opposed to what people said