Giottos AGSP-8322 Screen Protector (Transparent/Black) Size 67 x 51mm for Nikon D4 Made from Schott glass of Germany with 12 anti-reflection coatings on each side with nano technology Completely protects the LCD from abrasions, scratches, impact, dust, fingerprints, and moisture The Aegis adheres to the frame around the LCD which adds rigidity against impacts Uses 12-layer Anti-reflective coating technology of Leybold, Germany to improve the transparency and withstand UV, thus protecting the LCD, improving the color quality and prolonging the working life of the screen