Specifications 

Mini 4 Pro ND Filter Set-Specially designed for the DJI Mini 4 Pro,
6 pieces: ND4, ND8, ND16, ND32, ND64, ND1000 filters.
This filter set meets your all-day needs
ND Filter Function-This filter set slows down the shutter speed by 2/3/4/5/6/10 f-stops.
The MINI 4 PRO is equipped with a larger aperture lens; you can use the ND filter for
better shutter speed control when you need to maintain motion blur for videos or long exposures for photos.
Multi-Coating-Made of high-quality Japanese AGC glass with 28 layers of nano-coating
to reduce reflections, waterproof, scratch-resistant, mildew and oil-resistant to ensure high-resolution images
Ultralight filte-The frame is made of ultralight aluminum,
does not affect the performance of the drone
Blackened Surface-The filter surface is painted black to minimize
reflections and reduce the impact on the image