CPL lens is used the anodized aluminum clip alloyed material and Optics glass with multi-layers coating, CPL Lens 'advantages have: eliminates polarized light, Strengthen the contrast to More three-dimensional, Reproductive color Enhance contrast, and Increases the saturation. Our New ABS Clip can help clip on the smartphone stable, and convenient. The circle polarized filter lens can block part of the polarized light in the sky, suppress the dark blue sky, reduce the contrast between the high-brightness sky and the ground scene in the day, and make the contrast between the two more harmonious. At the same time, the polarizes can also improve the tone of the blue sky, making the sky more saturated with color.