... outstanding reinforcement and feature GGS LCD Screen Protector optical glass for CANON 5DII/50D New version BF Model Compared to ... harmlessPC FRAME brings outstanding reinforcement and featureIt is made of 6 protection layers : 1. Protection layer, 2. Coating layer, ... . Transparent layer, 4. Colour layer, 5. mount layer,6. clinging layer.Specifications:Made of intensified optical glass materials with ...