Hardened optical glass that has 4 times the breaking strength in ANSI standardized testing (ANSI Z80.3 : 2001)
where a steel balls of varying size and weight were dropped from a height of 50 inches onto the glass.
-High Density Sharp Cut UV Glass
-Chemically Enhanced Optical Glass is 4x Stronger
-8-Layer Anti reflective Multi-Coating
-Water & Oil Reppelent, Scratch & Stain Resistant
-Wide-Angle Lens Compatible Ultra Thin Frame
-Glass Mounted With High Pressure Press Technology