Amazon.com : 58mm Metal Lens Filter Adapter Ring for Canon SX70 HS, SX60 HS, SX50 HS, SX40 HS, SX30 is, SX20 is, SX10 is, SX1 is, SX540 HS, SX530 HS, SX520 HS
UV CPL ND FLD Graduated Close Up Star Filter & Lens Hood Cap Pen for Canon Powershot SX540 SX530 SX520 Digital Camera|Camera Filters| - AliExpress
Shop | Canon PowerShot SX540 HS - digital camera
Essential Accessory Kit for Canon PowerShot SX530 SX540 SX520 SX70 SX60 SX50 SX40 HS Includes Filter Adapter Ring + Filter Kit UVCPLND4 + Collapsible Rubber Lens Hood + Lens Cap - Newegg.com