Larmor by GGS 0.5mm Self-Adhesive Optical Glass LCD Screen Protector for Nikon D4 It is made of 0.3mm optical glass to provide the highest protection for your valuable cameras This protector get over 95% transparent rate, to show the clear image of the LCD screen The hardness of the surface is 8-9H, and support up to 4KG/m^2, highly resist to scratches and shock It also protects the LCD screen away from UV light. It is made of 6 protection layers: Protection layer