For DJI OSMO Action 3 / 4 TELESIN ND CPL Filter Set Aluminium Alloy Frame Lens(C
DJI: Osmo Action 4, Osmo Action 3. Compatible models: for DJI OSMO Action 3. -CPL filter x 1. A great tool for landscape photography, giving you the sense of shock you want. Use ND filter to reduce exposure and increase shutter speed.