Insignia 67mm Circular Polarizer Lens - NS-CP67 Compatible with most lenses with a 67mm filter diameter: For use with your existing digital camera's lens. Improves color saturation: So you can achieve brilliant images with intensely bright colors. Reduces reflections and glare: To enhance contrast. Ideal for outdoor landscape photography. Premium-quality glass: Helps ensure optimal performance. Ultrathin profile: Prevents image obstruction.