The Professional version of PGYTECH filters for Mavic 2 Pro utilizes German SCHOTT optical glass to meet the needs of expert photographers for lights and shadows. - Double-sided nano vacuum coating process, and double-sided anti-reflection process. - A hard super-waterproof coating on the outer surface. - The ND dimming mirror is coated with a light-reducing process without substantial color shift. - Aviation aluminum alloy frame with wavy anti-slip cuts on the side for easy assembly and disassembly. - Approximately the same weight as the original primary filter, with low impact on the gimbal.