+Even non-multi-coated Hoya filters have one layer of anti-reflective coating applied to each surface of the glass; Hoya's single layer coating decreases light reflection off the surface from approx.
HOYA 58MM HD NANO MK II UV FILTER (58NANOIIUV)
HOYA 58MM FUSION ONE NEXT UV FILTER (F1NEXT58UV)
HOYA 58MM UX II CIRCULAR POLARISER FILTER (58UXIICPL)
HOYA 58MM HD MK II UV FILTER (58HDIIUV)
3PCS 37-82mm UV+CPL+FLD Lens Filter with Bag for Cannon Nikon Sony Camera Lens
1PCS 49-77mm UV+CPL+FLD Lens Filter with Bag for Cannon Nikon Sony Camera Lens