37mm 52mm Phone Lens Filter for Smartphone Nd Variable Filter ND2-400 With Clip ND Filter for Mobile Item Description Caliber:37mm Star beam: 4 lines/6 lines/8 lines Lens material:Optical Glass Filter frame material: high-grade aluminum Filter clip material:plastic Advantage Multiple filters can be superimposed for creative inspiration Details with filter Package With filter VS without filter CPL Removes unwanted reflections from non-metallic surfaces such as water or glass Increases color and contrast by reducing reflections from non-metallic surfaces by cutting Improves clarity of distant objects Foliage is richer, skies bluer Close up filter Taking close up pictures of smal objects and details of a small area is normally not possible with the standard Lens. This closeup lens will help you to overcome that problem. Just screw this Macro closeup attachment lens to your standard lens. now you can taking unbelievable picturs with your Lens. Soft focus filter Soft Focus Filters reduces contrast and creates a soft halo around the highlights. this filter can be used to cover up minor facial blemishes while also establishing a soft, ethereal quality and giving the image added impact. UV filter Multi-coated UV filter, the light transmittance of 99% transmittance of UV mirror has been improved to some extent For photographers, UV lens is one of the essential goods. Although our invisible ultraviolet light, but it can reduce the color richness. Star filter Star filter adds a dramatic cross flare to very bright areas. ldeal for photographs of night scene and ladies wearing jewellery or other objects with strong reflections. ND2-400 Filter Recommend Slim MC UV Lens Filter: Multi-coated UV filter, the light transmittance of 99% transmittance of UV mirror has been improved to some extent.