... , polish diminished and lens becomes soft & blurred. Filter helps protecting your camera lens against dust,moisture,fingerprints, ... casts may not be acceptable. while, UV and skylight type filters can also eliminate the lack of ... filter,such as ND filter,CPL filter,MC-UV filter,close-up filter,graduated filter,color filter,skylight filter,star filter,fld filter,soft effect filter,IR filter,PL filter ...