AETNA ROKUNAR 49MM POLARIZING FILTER

THIS IS A (MINT) AETNA ROKUNAR 49MM LINEAR  POLARIZING FILTER.  COMES WITH FILTER CASE AND BOX.

POLARIZING FILTERS REDUCE OR ELIMINATE REFLECTIONS FROM NON METALLIC SURFACES SUCH AS FOLIAGE, WATER OR GLASS.  THEY DEEPEN THE COLOR OF BLUE SKY AND INTENSIFY THE COLOR SATURATION OF MOST DAYLIGHT SCENES.