Feature: 1. The lens is made of high quality optical glass, high definition grinding treatment, first class light transmittance, no color cast, water proof, oil proof, stain proof and scratch proof performance. 2. Non destructive and quick installation, can quickly replace the filter, effectively reduce appearance reflection and improve image quality. 3. Aluminum alloy frame, ultra thin and lightweight, avoid wide angle lens vignetting. The ultra sturdy frame ensures durability and interference resistance. 4. Multi coating technology significantly reduces lens flare and ghosting, while making the filter scratch resistant, suitable for the strict requirements of adventure photography. 5. Multi layer coating process suppresses ghosting, reflection and increases light transmittance, it can be used to achieve ultra slow shutter speed in sunlight. Specification: Item Type: Model Airplane Accessories Product Material: Aluminum Alloy and Glass Product Style: ND8+ND16+ND32+ND64 Lens Applicable Models: For Mavic Pro. Package List: 4 x Lens1 x Storage Box Note: 1. Manual measurement, allow 1‑3mm error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.