Available in 1 2 and 4 diopters for close up photography depth of field is shallow so use as small an aperture as possible close ups offer a world of new creativity hmc hoya multi coated these popular filters are renowned for their ability to minimise reflection at the filter surfaces which reduces flare and ghosting the result is an average light transmission of over 97 giving sharp contrast and well balanced color hoya hmc filters are recommended for enhancing the performance