The B + W 77mm XS-Pro Ultraviolet (UV) MRC Nano Filter is a wise initial investment. It helps protect your valuable investment from dust moisture and scratches which can lead to costly repairs. Using this filter will diminish the bluish cast caused by the various atmospheric factors yet it will not have an effect on the color balance of your shot. No increase in exposure is required. B + W's MRC Nano coating takes filter production to a new level. It features improved cleaning capabilities. Water droplets will bead up better and be easier to remove from the filter. This filter is also scratch-resistant. Single coating is applied to
