nd filter density

I thought we had a great discussion on ND filters and a lot of myths and misinformation was brought to light in my last food for thought thread where I discussed why I never use ND filters with drone cameras. One thing that came up a few times in that thread was using Circular Polarizing Lenses...

Hello, First of all I'm pretty new to this whole thing so please excuse any of my "rookieness". So in the attempt to get some really sharp and colorful images/video I bought myself a set of Neewer ND Filters. Of course I probably should have known how to use them first but what's the fun of...