The Hoya Ultraviolet UV(0) Super Multi-Coated (S-HMC) Glass Haze Filter is a wise initial investment. It helps protect your valuable investment from dust, moisture and scratches, which can lead to costly repairs. Hoya's high transmission Super-Multi-Coating minimizes reflection at the filter surfaces which reduces flare and ghosting. This outstanding filter offers revolutionary performance in light transmission and color balance. 12 layers of Super Multicoating are applied to the surfaces of the Skylight 1B and UV(0) models, which produces an average transmission of 99.7%. Coupled with maximum surface precision, this allows increased resistance to flare and stunning images can be recorded at wide apertures without compromising the performance of your lenses. If desired it can be left on the lens at all times for protection Haze filters provide additional benefits of correction for Ultraviolet (UV) light which can register on film and videotape as a bluish cast and can obscure distant details Ultraviolet filters allow you to correct for the UV effect to varying degrees