High-definition professional optical glass with high durability and scratch resistance.<br>Multi-layer nano-coating process, clear imaging, meeting high-pixel imaging standards during .<br>Using high-quality craftsmanship, the lens is waterproof, oil-proof, and scratch-.<br>Aviation aluminum frame material, firmly sealed, , , not affect drone calibration or balance, not fade or rust.<br>These 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 kit.<br><br>Applicable models: for O4 Air Unit Pro/Avata2<br>Protection performance: waterproof, oil-proof and scratch-<br>Due to different batches, there may be differences in product appearance, color, and printed text, which not affect us<br>Color: As Shown<br>Material: CNC+Optical Glass<br><br>Package Contents:<br>1 x ND8 Filter<br>1 x ND16 Filter<br>1 x ND32 Filter<br>1 x ND64 Filter<br><br>Only above package content, other products are not included.<br>Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.