40.5MM CPL Circular Polarizer Lens Filter For Sony Alpha a6000, a5000, a5100, NEX 5T, NEX-5TL NEX-5TL/S, NEX-5TL/W, Mirrorless Digital Camera with 16-50mm Power Zoom Lens NOTE: This Filter is compatible with all 40.5mm lenses. Please Check your camera's lens thread size before ordering. THE CPL filters (Circular Polarizer) are great for removing unwanted reflections from non-metallic surfaces such as glass or water. Take richer scenic shots and notice improved clarity in distant objects by cutting through haze and increasing color saturation.