Sunday, September 23, 2012

Nikon, Essilor or Zeiss? for eye lenses?

Nikon, Essilor or Zeiss? for eye lenses?
which brand features the best scratch resistance and anti yellowing ;
zeiss pure coat /teflon elite OR essilor crizal sapphire with scotch guard ???
>>> Nikon, Essilor or Zeiss? for eye lenses?