This polarized Filter for Godox AR400 can increase the quality of your photogrammetry works.
You can print it by yourself (preferably with resin printer).
Just add:
- polarized paper filter and cut it with outer diameter 196mm and inner diameter 85mm (I suggest drilling a hole near the screws).

- n. 12 M3  3,5mm screws.

- n. 8 magnets 5mm diameter 3mm height