77mm Pro series Multi-Coated High Resolution Digital Ultraviolet Filter For Sigma 10-20mm f/4-5.6 EX DC HSM Autofocus Lens, Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens, Sigma 70-200mm f/2.8 EX DG APO OS HSM, Sigma 17-50mm f/2.8 EX DC OS HSM Zoom Lens, Sigma 85mm f/1.4 EX DG HSM Lens, Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Autofocus Lens, Sigma 24mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens, Sigma 50-150mm f/2.8 EX DC OS HSM APO Lens, Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens, Sigma 85mm f/1.4 EX DG HSM Lens, Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens, Sigma 24mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens This ultimate clear uv filter will not affect color balance. It protects lenses from expensive front element damage Reduces lens flare and ghosting Microfiber Cloth 77mm HD Filter