Sony VF37CPKB Polarizing Filter Kit Helps Eliminate Unwanted Reflections Off Glass & Water Compatible With 37mm Lens Handycam(tm) Camcorders Includes A Polarized Filter, Multi-coated Clear Filter & Hard Carrying Case Polarizing filter to suppress unwanted reflections from glass or water Multicoat Filter protects lens from dust and scratches Hard carrying case for protection Fits 37 mm diameter lens