Circular PL filter Light rays which are reflected by any surface become polarised ... ,28mm,30mm,30.5mm,34mm,37mm,40.5mm,43mm,46mm,49mm,52mm,55mm,58mm,62mm,67mm,72mm,74mm,77mm,82mm,86mm ... w/o water repellent, Multi-coated with water repellent. CPL filter 49mm,52mm,55mm,58mm,62mm,67mm,72mm,77mm,82mm,86mm