Filtr CPL Freewell do DJI Osmo Action 5 ProFreewell CPL filter for DJI Osmo Action 5 Pro Frewell filter designed specifically for DJI Osmo Action 5 Pro models. CPL (Circular Polarizing Filter) optical filters are characterized by the fact that they reduce glare, improve color saturation and contrast, and increase depth of field. They are particularly useful in landscape photography, where glare on water, leaves, or windows is common. The filter is distinguished by its high quality workmanship