The ultraviolet light that is particularly strong by the seaside or in the mountains can create vague patches or make the colours pale this ultraviolet filter will prevent these rays from filtering through giving a clearer photo with greater contrast and also protects the lens in addition the high transmission multi coating htmc on this filter means it is coated with 4 anti reflexion layers on each face a very supple light thus passes through the optic lenses of the camera the result is a clea