- A multi-purpose fine-weather filter Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A multi-purpose, fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector. These outstanding filters offer 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. HOYA Super HMC filters will appeal to the most demanding of photographers who require the ultimate in performance.