Amazon.com : Hama 72577 | Polarization Filter (4X AR Coating, Circular polarizing Filter, for 77 mm Photo Camera Lenses) : Camera Lens Polarizing Filters : Electronics
Amazon.com : High Definition 52mm CPL Circular Polarizing Filter for Olympus M ED 9-18mm f/4.0-5.6 Micro Four Thirds Lens & Olympus M.ZUIKO Digital ED 12-50mm F3.5-6.3 EZ Lens : Electronics
Amazon.com : LENSKINS 77mm CPL Circular Polarizing Filter for Camera Lenses, 16-Layer Multi-Resistant Nano Coated, Ultra Slim, German Optics Glass, Weather-Sealed, Circular Polarizer Filter with Lens Cloth : Electronics
Amazon.com : NEEWER 72mm Polarizer Filter 30 Layer Multi Resistant Nano Coated Circular Polarizing Filter(CPL) with HD Optical Glass/Ultra Slim Frame, Reduce Glare/Enhance Contrast/Reduce Reflection : Electronics