Product selling points: 1. optical glass, precision grinding and polishing, high-definition imaging;2. Adopting a double-sided multi-layer nano coating process, endowing the lens with high-quality waterproof, oil resistant, stain resistant, and scratch resistant performance;3. Made of aviation aluminum frame material, the logo is laser-engraved and , with a black surface frame to prevent light leakage and ghosting;4. The /ND is adjustable, and the light can be adjusted by rotating the gear to select the appropriate luminosity for ;5. A magnetic absorption nano box specially designed for the filters, equipped with a soft sponge inside to prevent the fixed filters from falling off, making it portable for long-distance travel.matters needing attention:1. Only UV filters can transmit light by 98.5%, while /ND- filters cannot be represented by transmittance;2. Only /ND- filters can be adjusted, and other filters cannot be adjusted;3. Only the set filter storage box has a magnetic suction design, while the single product filter storage box does not have a magnetic suction design;4. The single item storage box and the set storage box are different. pay attention purchasing (single filter non magnetic packaging box).Name: Suitable for Mini 3 Pro Filter SeriesApplicable model: for Mini 3 Pro/Mini 3Material: Aluminum(frame)+ Optical glasscolour: BlackPackage Contents:6 x Filter1 x Cleaning cloth1 x Storage boxOnly 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.