TUTORIAL | CANON PowerShot Adapter Ring For Lens Filter, Lens Hoods & Lens Caps - YouTube
4IN1 Camera Lens Adapter Ring for Canon PowerShot SX40 SX50 SX60 SX70 SX520 SX530 SX540 HS to 67mm UV Filter Lens Hood Lens Cap
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