I actually ordered this because I use my old phone as my webcam in my home office using Camera Hub software. It gives me an incredibly good picture quality and framerate over just about any webcam I have ever tried, but no matter what I have done, I could never seem to find a way to reduce the glare of my monitor on my glasses. After seeing someone online mention adding a polarizing filter in front of the lens as a means to combat that, I decided to give this one a try since the dimensions are such that it would fit over the camera lens assembly on my 12 mini. And it does fit perfectly. I had some spare doublesided tape for tablet screen replacements and used that to easily fix it to the case for the phone.

I am really kind of shocked at the difference it actually makes without really looking much more dim than it did without out, and the best part is that it almost completely got rid of the lens glare on my glasses. People can once again see my eyes during video conferences. I am very happy.

So while I did not use this for the Ace Pro 2, I have no doubts it would work perfectly for that too: I can absolutely confirm that, as a filter, this is the real deal. Price is great too.