B+W 49mm MASTER High Transmission Circular Polarizer MRC Nano Filter — Glazer's Camera Inc
Amazon.com : B + W 49mm UV Protection Filter (010) for Camera Lens – Standard Mount (F-PRO), MRC, 16 Layers Multi-Resistant Coating, Photography Filter, 49 mm, Clear Protector : Camera Lens Sky
B + W 49mm Basic Circular Polarizer MRC Filter 66-1100743 - Adorama
B + W 49mm Master 010M UV Haze MRC Nano Filter 66-1101500 - Adorama