Classic "spherical" lens construction.
Standard "white" spectacle lenses without colored sun filters.
Standard HARD hardening. The most affordable lenses without coatings.
Modern optical material with exceptional mechanical strength and amazing clarity and lightness
Advanced HOYA spectacle lenses.
Standard lenses with no comfort-enhancing coatings. Most affordable.
PNX 1.53 material is the most mechanically resistant optical material. Recommended for children and for safety glasses. The best choice for rimless (drilled) frames.
Without special filters, maximum clarity and faithful color reproduction.