Used primarily for black and white photography. X1 is highly effective for indoor portraits under tungsten lighting.

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 of today's multicoated lenses.