ANANK AR( Anti-Reflective) Lens Guard, NO affect on auto-focus, taking HD picture even Marco!FeaturesANANK AR lens guards, with step design with patent (ZL202130583406.8), which is super slim, only 0.3mm higher than original lens. With updated AR technonogly, it vastly improve the efficiency of the optical by increasing transission, easily auto-focus to take HD photos.1: AR technology coating on the lens guard2: step design with patent3: super slim design for fully protection4: Case Friendly5: strong adhesive with lens6: Maximum Scratch Protection7: easy installation with lens guard toolingInstallationFast, Accurate, and Bubble-Free.We believe installation should be as simple and accurate as possible, so we are constantly refining our processes with innovations technology and advanced adhesives.