The tiffen ht 52mm haze 86 hi trans double sided titanium multi coated filter features the benefits of a titanium coated pure optical quality glass along with tiffen's academy award winning colorcore™ technology. Together this presents supreme scratch resistant durability, enabling you to be able to clean your filters without worrying that you might damage them a rare reassurance in the delicate filter market. The tiffen ht 52mm haze 86 hi trans double sided titanium multi coated filter protects your lens and absorbs uv light. Film and video are more sensitive to uv light than our eyes are and this often shows up as a bluish cast in images, especially in shots from high altitudes and long distances, particularly over water. Ultra violet filters are available in a variety of uv absorption levels.