Sony 49mm T* Circular Polarizer Filter VF49CPAM2 B&H Photo Video
Tiffen Filtro polarizador circular UltraPol montado de 4.5" - W412UCP – The Tiffen Company
Amazon.com : 67mm Circular Polarizer Lens (CPL) Filter Ultra-Slim and Multi-Coated Glass Filter for Color Saturation, Contrast & Reflection Control– Compatible with All Popular Camera Lens Models : Electronics