1,1. material: Professional German optical glass lenses are used with multi-layer coating for clearer images; they are waterproof, oil-proof, stain-proof, scratch-proof, easy to clean, and leave no traces, making the work more professional. 2,2. Professional design: Built for compatible for Mini 3 Pro drones, it helps to capture crystal clear images and footage in bright, sunny daylight conditions. 3,3. Adjustable filter: CPL and ND/PL are adjustable filters to meet your needs to extend exposure time and eliminate the unwanted polarized light. You can rotate the frame as needed when shooting to achieve satisfactory polarized light/ Polarization requirements. 4,4. ND filters: Neutral density filters are usually used during the day, especially in bright conditions, to slow down the shutter speed. They are sunglasses for your lenses. 5,5. Ultra-light filter: each filter is less than 1g, and the lightweight will not increase the load of the gimbal. Does not affect the calibration and balance of the drone. Designed for quick and non-destructive installation. Material: glass Applicable models: Compatible for Mini 3 Pro drones Net weight: non-adjustable: about 0.7g/piece, adjustable: about 0.9/piece Filter set (5 types): 3-piece mix filters set: CPLandND8andND16 4-piece ND/PL filters set: ND4/PLandND8/PLandND16/PLandND32/PL 4-piece ND filters set: ND4andND8andND16andND32 4-piece mix filters set: MCUVandCPLandND4andND8 6-piece mix filters set: MCUVandCPLandND4andND8andND16andND32 1 Set of Lens Filte Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.