The Cpl filter is a polarizing filter specifically designed for the Xiaomi Fimi Palm Gimbal camera. This filter is used to reduce unwanted reflections and glare, resulting in clearer and more vibrant images. By using a polarizing filter, photographers can enhance color saturation and improve contrast in their shots, especially when capturing water surfaces or nature scenes. The filter is easy to attach to the camera and is a useful accessory for anyone looking to optimize the image quality of their recordings. With this filter, users can expand the creative possibilities of their camera and achieve impressive results.