The filter can protect the lens from dust scratches, ensure the safety of your device. Multilayer nanometer coating technology, with waterproof, oilproof, , scratchproof performance, and can reduce glare, and increase saturation, generally used in landscape photography. Through rotating the lenss can eliminate unnecessary reflection and most of the reflection of non metallic and non spherical surface Eliminate the reflected light of glass or water, make the whole picture more clear and transparent, help you take more wonderful pictures. Fit for for Nikon for Sony for Olympus for Fuji, with 86mm/ 3.4in interface.