Zeikos ZE-UV37 37mm Multi-Coated UV Filter For Olympus 14-42mm, Sony HDR-CX300, HDR-CX350, HDR-CX350V, HDR-XR350, & HDR-XR350V Camcorder Video Camera Reduces ultraviolet light; helps eliminate bluish cast in images Pictures gain brilliance Ideal for photography in high altitudes, by the sea and in regions with very clean air Essential filter for every outdoor photographer. NOTICE: This set is compatible with all 37mm lenses, please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol.For example: 37 = 37mm lens thread size.