Sapphire glass with high light transmittance to the camera lenses. Increased transparency and anti-reflective coating ensure excellent quality of photos and videos, and a thickness of 0.4 mm makes the glass imperceptible. The glass covers the entire camera surface , not just the lenses. High durability provides excellent protection against scratches. Transparent anti-reflective coating and high light transmittance guarantee perfect color reproduction, ensuring great quality photos and videos. The 0.4 mm thick sapphire glass used for Rolex watches is practically imperceptible . The nano-coating with oleophobic properties prevents fingerprints and any dirt.