The E39 UVa Filter from Leica is a wise initial investment. It helps protect your valuable investment from dust, moisture and scratches, which can lead to costly repairs. If desired it can be left on the lens at all times for protection. Haze filters provide additional benefits of correction for Ultraviolet(UV) light which can register on film and videotape as a bluish cast and can obscure distant details. Ultraviolet filters allow you to correct for the UV effect to varying degrees. The UVa filter is helpful when photographing mountain and marine scenes, where increased haze threatens to make your photographs indistinct in color and clarity. The name Leica is synonymous with top optical quality. The finest photographers in the world all know Leica's reputation for excellence in lens and filter production. Due to the high-quality construction of this filter, with this filter in place, the performance of your lens will not be compromised. Precisely ground to create optically pure glass Should be left permanently attached Protects against damage to the front element of your valuable lens
