The K&F CONCEPT ND and PL filter kit is designed for use with the DJI Osmo Action 6, providing users with four different neutral density options (ND8, ND16, ND32, and ND64) combined with polarising functionality. This combination allows for greater control over exposure and reduces glare from reflective surfaces, making it particularly useful for outdoor photography and videography.The build quality of the filters is impressive, featuring HD optical glass that feels durable yet lightweight. The 28-layer nano-coating enhances performance, reducing flare and improving clarity. In practical use, these filters allow for smoother motion in video footage and lend a professional touch to still images. The ease of screw-on application simplifies switching between filters depending on lighting conditions.However, there are a few considerations to bear in mind. While the quality is commendable, some users may find the filters slightly heavy on the camera, potentially affecting balance. Additionally, the price point, while reasonable for the quality, may still be a consideration for those on a tighter budget.In summary, this filter kit is a robust choice for filmmakers and photographers seeking to enhance their work with versatile options for light control.Pros:- High-quality HD optical glass- 28-layer nano-coating reduces glare and flare- Variety of ND and polarising options availableCons:- Not the best in low light conditions, but that's not what these are made for- Price may be a consideration for budget-conscious users