Massa 58mm CPL Slim Filter - Black The MASSA 58 mm Slim Circular Polarizing Filter enhances the colors of your photos, enhances contrast and brings the sky a deep blue. According to its position, it reduces or eliminates the lights reflected on the water, glass, painted and lacquered surfaces, stone or any other reflecting surface except metallic surfaces and mirrors. Made with high intensity optical glass , it has a super-thin frame which eliminates any risk of vignetting when shooting with a lens wide angle. The MASSA circular slim 58 mm filter is designed with a very thin glass of only 2.4 mm thick and a matte black aluminum ring of only 7 mm thick, thread included, providing effective protection against spurious rays. It makes it possible to reinforce the saturation of the images by eliminating the polarized light and the reflections it causes. Its use is recommended in good weather to enhance the blue of the sky, or to remove reflections on the water or windows. This Slim Circular Polarizing MASSA Filter is especially useful in landscape photography . MPN - 101058 GTIN - 6956994300135