B+W 82mm MASTER High Transmission Circular Polarizer MRC Nano Filter — Glazer's Camera
Amazon.com : B + W Circular Polarizer Kaesemann - Standard Mount (F-PRO), HTC, 16 Layers Multi-Resistant Coating, Photography Filter, 58 mm : Electronics
Amazon.com : B+W 77mm Circular Polarizer with Single Coating : Camera Lens Filters : Electronics
Amazon.com : B+W 58mm Circular Polarizer with Multi-Resistant Coating : Camera Lens Polarizing Filters : Electronics