95mm Circular Polarizing Filter + 95mm HD MultiCoated UV Filter for Sigma 150-600mm F5-6.3 DG OS HSM | C TC Glass 95mm Circular Polarizer, 95 mm HD MultiCoated Minimize Reflections and Glare & Absorbs Ultraviolet Light Reduces Haze and Blue Cast in Landscapes - 3-Layer Multi-Coating Enhances Color and Tonal Saturation Low-Profile Aluminum Frame High-Transparency Optical Glass - 3-Layer Multi-Coating