HOYA UV (C) HMC is a filter that uses the highest-quality tempered glass filter, which creates crystal clear images. This filter filters various UV rays to provide exceptional photo sharpness without the slightest effect on the color balance. This filter also serves to protect the front of the lens. This filter is known for its ability to minimize reflections on the filter surface as well as reduce flare and ghosting. With an average light transmission of over 97%, HOYA HMC filters have been designed to improve the performance of multi-coated lenses.