Feedback on these CPL’s

[JAM007]

Howzirt

Anyone own / used the following CPL’s and if so, have you notice drop in sharpness etc.

What’s your thoughts on these 2 brands ?
Worthwhile buying or pay double and get a B+W ?


1. Hoya 77mm Fusion One Circular Polariser Filter
2. Benro PD CPL 77mm


Thanks in advance