High-definition professional optical glass with high durability and scratch resistanceMulti-layer nano-coating process, clear imaging, meeting high-pixel imaging standards during Using high-quality craftsmanship, the lens is waterproof, oil-proof, and scratch-Aviation aluminum frame material, firmly sealed, , , not affect drone calibration or balance, not fade or rustThese filters are perfect for capturing stunning professional-quality in a variety of lighting conditions, helping to reduce glare, increase color saturation and manage exposure. Take your drone photography to level with this essential accessory kitApplicable models: for O4 Air Unit Pro/Avata2Frame material: aviation aluminum thin frameProtection performance: waterproof, oil-proof and scratch-Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the usColor: As ShownMaterial: CNC+Optical GlassPackage Contents:1 * UV Filter1 * CPL Filter1 * ND8 Filter1 * ND16 Filter1 * ND32 Filter1 * ND64 FilterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.