Sigma Wide Angle 10-20mm f/4-5.6 EX DC AF Lens for Canon EOS + Opteka UV Filter + Opteka CPL Filter + Opteka 5 Piece Cleaning Kit Sigma Wide Angle 10-20mm f/4-5.6 EX DC AF Lens for Canon EOS Opteka High Definition II UV Ultra Violet Haze Multi-Coated Glass Filter Opteka High Definition II Multi-Coated Circular Polarizing Glass Filter Opteka Tabletop Tripod & 5 Piece Cleaning Kit