... camera lens filter 2.super clear & strong-premium optical glass 3.ultra smooth surface 4.1 year warranty 5. ... ! Don't risk your valuable photos by using bare-glass filters.UV filter protects your cameras' lens from scratches, ... it's caused by blue radiation and ultraviolet. Ultra thin Glass:1mm ( same class as HOYA PRO1-Dseries )Filter ... 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm Camera lens wholesale