Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro High Grade Multi-Coated, Multi-Threaded 3 Piece Lens Filter Kit (77mm) Made By Optics + Nwv Direct Microfiber Cleaning Cloth.

This 3-piece 77mm filter set is designed to complement the Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro. Included: UV Filter (ultraviolet) Haze (1A) — provides protection from dust, dirt, scratches, fingerprints and the sun's ultraviolet rays. Circular Polarizing Filter — boosts color saturation and can darken blue skies so white clouds stand out. FL-D Filter (fluorescent) — corrects the greenish tint produced by fluorescent lighting for indoor shots. The kit also comes with a compact protective carrying case for safe transport and storage, plus a Nwv Direct Microfiber Cleaning Cloth. Backed by a 10 year warranty.