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