Hey there everybody! I just got my new CPL and noticed something once I mounted it. This is my first CPL and I have never had experience with one before. I noticed that when I rotate it, the part you rotate (surrounds the glass) comes out a tiny bit and then goes back in when I push it back. It rotates smoothly, but I am just wondering if this happens to all CPLs?
I managed to get a video of this: