HD GLASS
HARDENED GLASS
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

HD COATING
-8-Layer Anti reflective Multi-Coating
-Water & Oil Reppelent, Scratch & Stain Resistant

HD FRAME
-Wide-Angle Lens Compatible Ultra Thin Frame
-Glass Mounted With High Pressure Press Technology

WATERPROOF / SCRATCH & STAIN RESISTANT MULTI-COATING
Specialized coatings that are not just water-proof to repel water spots but also hardened
to be scratch and stain resistant. Of course these coatings are from HOYA so they are greatly
reduce reflections off the surface of the glass allowing you to capture more light in your photos.