This is a top-quality Heliopan ES55 55mm Circular Polarizer Lightfilter, made in Germany. It is compatible with threaded mount fittings and has a filter size of 55mm. With its circular polarizer filter effect, it enhances the color saturation of your photographs and eliminates unwanted reflections from non-metallic surfaces. This filter is perfect for photographers who want to capture stunning landscapes, seascapes, and other outdoor scenes. It comes in a unit quantity of one and is a must-have accessory for any camera enthusiast.