UV protection mirror: UV mirror, also known as UV filter (UltraViolet), protects the lens and improves the quality of the picture. It is used for in seaside, mountains, snowfields and open areas, etc. It can reduce the blue tone caused by ultraviolet rays. It can also eliminate the interference of ultraviolet rays on the CCD, which helps to improve the effect of sharpness and color reproduction. Filter: filter, also known as circular polarizer, is mainly used to eliminate harmful non-metallic reflected light, increase color concentration, deepen the blue , highlight white clouds, make the picture more transparent, and improve the clarity and expressiveness of the picture. It is also often used to scenes behind glass, clear and transparent water, and underwater creatures. When using, you need to pay attention to adjusting the filter angle.Szkoston. ND Filter - Picture: Strong light environment, prevent overexposure, resist scattered light, increase color saturation, and make the picture more transparent and bright. Realize large-scale effects such as fog-like flowing water and night light track. Video: Decrease the shutter speed so that the video picture has proper motion and looks more comfortable. NIGHT Filter: Anti-light pollution filter, which can effectively reduce light pollution and make the picture show real color STAR Filter: The star mirror is a place where the light is relatively bright, and there will be such a effect. It is generally used at night. Name:Suitable for Avata 2 drone filter Note:Drone are not included. Type:B:UV ND8 ND16 ND32 ND64 NIGHT STAR Colour:As Shown Material:Aluminum + optical glass Size:25x25x2mm Package Contents: 1 * Drone Filter kit 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.