RainbowImaging Combo (4-in-1) 58MM Pro1D SMC UV Filter & Pro1D CPL Filter & Filter Adapter & Snap-on Lens Cap for CANON PowerShot SX1 SX-10 SX-20 SX-30 IS camera The package includes 4 items: 1) 58MM Pro1D SMC UV Filter 2) 58MM Pro1D CPL Filter 3) Metal 58mm Filter Adapter + 4) 58MM Lens Cap 58mm Pro1D Pro 1D Slim MC UV(W) Digital filter. Ultra thin 1mm glass, super multi-coated; Black Almite Frame; Black Rimmed Glass; Low Profile Frame; Knurling Edge Frame. 58mm Pro1D Pro 1D Slim CPL Digital filter. Ultra thin 1mm glass, super multi-coated; Black Almite Frame; Black Rimmed Glass; Low Profile Frame; Knurling Edge Frame. Metal 58mm Filter Adapter for Canon PowerShot SX1 SX-10 SX-20 IS camera to accept any 58mm threaded filter, step-up ring or macro lens. 58MM Lens Cap is used to protect your lens and filter