A polarizing filter can change the way that your camera sees and treats light. So when you get this polarizer filter from Hoya, you will surely notice the change in how your camera sees reflections and glare. Besides its primary function of enabling you to take perfect pictures, it also lets you calculate the exposure and focusing distance. It helps reduce reflections and glare by filtering out light that might become polarized due to reflection from a non-metallic surface. Digital Multi-coated This digital multi-coated filter reduces the appearance of flare and ghosting caused by reflections. The black aluminium satin frame reduces the chance of light reflecting off the edge. Black Rimmed Glass This filter is equipped with black rimmed glass that helps reduce the chance of light reflecting off the edge. Low Profile Frame The ultra-thin filter frame helps avoid vignetting on super wide angle lenses, while the knurling edge ensures a non-slip, easy attachment and removal of the filter. The UV protected case further enhances the life of the filter.