Feature:1. Avoid Color Offset: Adopting coating light reduction process, avoiding the problem of traditional ND lens color offset, almost no color offset.2. Nano Coating: Double sided multilayer nano coating technology, the lens has waterproof, oil proof, stain repellent and scratch proof performance.3. Simple and Portable: ND filter is small in size and easy to carry. It has storage box and can be carried in pocket or backpack.4. ND Lens Filter: Lens adopts optical glass, high definition grinding treatment, the number behind ND represents the light reduction ability.5. Use Purpose: Prevent overexposure, resist scattered light, reduce shutter speed, increase color saturation to make the picture more transparent, achieve large scale effect, and bring more exposure methods and imagination space for photography creation.Specification:Item Type: ND Lens filterColor: As Pictures ShownInterface: Approx. 105mm/4.1inMaterial: Lightweight Aluminum + Optical Glass.Package List:1 x Lens Filter1 x Storage Box