Circular polarizing filters like this Hoya HD3 Circular Polarizer Filter are perfect for reducing reflections and haze while also enhancing color saturation. This allow you to remove distractions from your image and deliver a final product that aligns more with your creative vision. With an average of 92% light transmission, this filter will reduce exposure by 0.3 stops, which is an effective filter factor of 1.25x. This listing is for the 77mm filter size, although it can be adapted for smaller filter rings using the step-down ring selector.