●The professional version of PGYTECH filters uses German SCHOTT optical glass to meet the needs of experienced photographers for light and shade ●The UV filter has a hard coating that protects the lens and sensors by penetrating UV light into the camera and blocking blue light that can affect color when shooting in open spaces ●A nanometer scale, double-sided multi-layer vacuum coating process ensures premium water, oil, dust and scratch resistant protection ●Made of aviation grade aluminum with quick attachment and water and dust resistant capacity ●Fits perfectly on the lens of your drone without affecting flight performance