Features: Light aircraft aluminum design.The aluminumAlloy frame construction ensures a lightweight, and will not affect droneGimbal calibration. High DefinitionGlass provides crystal clearFootage; The filter hard coating also makes it scratch resistant. High transmittance do not reduce imageQuality, Thin glass design to avoid vignetting. 18 tpyes of lens filter for you to choose:UV;ND8,ND16,ND32,ND64,ND8PL,ND16PL,ND32PL ,ND64PL ,Night,3A,STAR,3B,4A,4B,CPL,6 SET(UV/CPL/ND8/16/32/64),8 SET(CPL/ND8/16/32/64/Night/8PL/16PL); Specifications: Material:Aluminum + OpticalGlass for Avata Drone Camera Option Type:UV;ND8,ND16,ND32,ND64,ND8PL,ND16PL,ND32PL ,ND64PL ,Night,3A,STAR,3B,4A,4B,CPL,6 SET(UV/CPL/ND8/16/32/64),8 SET(CPL/ND8/16/32/64/Night/8PL/16PL); Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: Package A:(A/ BOptional) 1x Lens Filter PackageB; 1 Set Lens Filters