Action camera neutral density filters. CPL ND8 ND16 ND32 Set of 4 filters. I purchased these for the Osmo Action 4, but I don't need them for my purposes, so I'm selling them. I only used the ND8 filter once, and the rest are unused. Please check the condition in the photos and only purchase if you are satisfied. The shipping method may be changed from Rakuraku Mercari (Yamato Transport) to Yu-Yu Mercari (Japan Post) or vice versa. [Important Notes] * Cancellations after purchase are not accepted. Also, returns are not accepted to prevent product substitution. * We are not responsible for any shipping-related issues after the item has been shipped. No smokers or pets. Thank you. International buyers and proxy services are welcome. Search words: NEEWER CPL & ND filter set Compatible DJI Osmo Action 4 CPL ND8 ND16 ND32 Polarizing filter Neutral density filter