UV 420: ultra-high protection, blocks UV rays even in very short wavelengths, where competing lenses have UV 400 lenses. The quality of these lenses is close to that of a mineral lens, with the added benefit of lightness.
Internal anti-reflection coating: absorbs indirect light.
Category 3 protection : Filters up to 92% of the luminosity.
Organic lightness: organic glass is the lightest and most resistant there is.