Horseman marketed a series of "Topcon" lenses with its line of VH/VHR/980/985 6 x9 field cameras. Does anyone know if they were multicoated? How does the qual ity compare to Nikon/Rodenstock/Schneider lenses? (I know coverage isn't as lar ge, but assume I will be using them for the 6 x 9 format.)