- Protects your camera lens from dust, moisture, scratches and fingerprints, helping to preserve image clarity and extend lens life. - Removes unwanted reflections from non-metallic surfaces such as water or glass, reducing glare and improving contrast for scenes with reflective surfaces. - Corrects green color cast that can appear when shooting under general purpose fluorescent lighting, delivering more natural colors straight from the camera. - Made from high quality solid optical glass. Each filter is heat treated to avoid any movement or distortion, providing reliable optical performance. Use scenarios - Outdoor photography in rain, dust, or humid environments where lens protection is important, helping maintain image quality while safeguarding the front element. - Shooting through glass windows, water, or other non-metallic reflective surfaces to minimize reflections and capture clearer, more faithful images. - Indoor photography under fluorescent lighting in offices or studios to reduce green casts and achieve more accurate color reproduction.