77mm High resolution Pro series Multi Coated HD 3 Pc. Digital Filter Set for Sigma 10-20mm f-4-5.6 EX DC HSM Autofocus Lens Normal 50mm f-1.4 EX DG HSM Autofocus Lens 70-200mm f-2.8 EX DG APO OS HSM 17-50mm f-2.8 EX DC OS HSM Zoom Lens and More Mo

Ultraviolet (UV) Filter - Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. - Multi-purpose fine-weather, filter for color as well as black and white photos. - Serves as a permanent lens protector. Circular Polarizer (CPL) Filter - Removes unwanted reflections from non-metallic surfaces such as water, glass etc. - Enables colors to become more saturated and appear clearer, with better contrast. - Increases the contrast and saturation in blue skies and white clouds. Fluorescent (FL-D) Filter - Corrects the green cast created when using daylight under fluorescent lamps with daylight tubes. It restores the natural colors of your shooting objects. Microfiber Lens/LCD Screen Cleaning Cloth.