... lack of sharpness caused by UV radiation and reduce haze.3)And this MASSA UV Filter applies high quality edge ... camera at all times.All in all,this MASSA UV Filter is the best protector for your digial camera ... 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 camera uv filter