1,camera UV filter 2,ultra-thin ( 1.1mm) 3,transmittance (99.5% ) 4,scratch resistance 5,fingerprit resistance DSLR UV filtermanufacturer1,camera UV filter2,ultra-thin ( 1.1mm )3,transmittance ( 99.5% )4,scratch resistance5,fingerprit resistance 6, double-side coating , when you finger touched the mirror and leave the fingerprint on it , or the sweat rid off on the mirror , you just use a dry ...