Freewell Bright Day ND filters for the Osmo Action

I really wanted to get some ND filters for my Osmo Action and decided to get the Bright Day version from FREEWELL. It has the ND8, PLND16, PLND32, PL and the ND64, PL. Very nicely constructed and it s glass is waterproof, dust proof, scratch proof and oil proof which gives you some piece of mind while using these. Now the glass might be waterproof but the filters are not because these are the PL version and that polarizing ring is not a waterproof seal, but it is splash proof ( to a degree). In this video