The polarize effect is one of the few effects that are equally effective with color imaging and with black-and-white. The polarize can be used to minimize or eliminate reflections in glass, and other surfaces except for metal. The polarize effect can darken skies in color photos as well as in black-and-white. it can make the skies look bluer in images. If you look at the final image above, you will notice that it has a more matted less shiny finish compared to the original.