The Hoya 77mm Ultraviolet UV HMC (Haze Multi-Coated) Filter is a highly recommended initial investment. It helps protect your Lens from dust, moisture, and scratches, which can lead to costly repairs. This filter has its UV properties in the multi-coating. The result is an average light transmission of over 97% giving sharp contrast and well-balanced colour. Hoya HMC filters are recommended for enhancing the performance of today’s multi-coated digital lenses. It is multi-coated to minimize reflections and reduce flare and ghosting.