Thanks I will look into it more. I always carry a super wide. I just sold the Laowa 9mm for APSC cams but now going back to FF with the A7CR. Maybe a CPL filter would be handy. I think they sell thin ones
Just to keep in mind if you decide to use a CPL filter at 10mm certain undesirable side effects very likely become visible and you must experiment to achieve results to be happy with. To sum these up, I recommend reading section about polarizing filters from this very useful article from Francesco Gola:
