1.target model:for Avata 2 drone with optical glass. 2.ND Filter: Reduces the amount of light entering the film without affecting color, for a more perfect color rendition. In a of environments, they allow you to take beautiful pictures without degrading image quality. 3.can reduce the amount of light entering and the shutter speeddegree, prevent overexposure, and also block scattered light.Improve the color saturation of the picture. 4. with a slow shutter speedWaterfalls and tourist attractions will make the picture more dynamic and soft. Endowed with a sense of fantasy. 5.material: aluminum alloy + optical glass, multi-layer coating can filter out UV and stray light for clearer image. Made of optical glass, high optical effect and effectively reduces lens flare. Applicable products:for Avata 2nd generation (Due to different batches, the printed words on the product may be different, but this does not affect use) Colour:Black Material:Aluminum alloy type:ND256 Package Contents: 1 x ND Lens Filter Only 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.