49mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD) for Canon EF 50mm f/1.8 STM Lens : Amazon.ca: Electronics
49mm 7PC Filter Set for Canon EF 50mm f/1.8 STM Lens - Includes 3 PC Filter Kit (UV-CPL-FLD) and 4PC Close Up Filter Set (+1+2+4+10) : Amazon.ca: Electronics