THE ESSENTIAL CIRCULAR POLARIZING FILTER A Principal Accessory for Any Beginner, Intermediate or Advanced Photographer! Set Includes [1] CPL Filter for Reducing Glare from Water & Glass Surfaces, Improving Sharpness, Boosting Color Saturation & Other Cool Creative Effects FORMIDABLE MULTI-COATED CONSTRUCTION 12-Layer Coating with Nano Protection Provides Amazing Broadband Anti-Reflective Performance, Helping to Prevent Ghosting & Flaring Ultra Slim Design with Aluminum Ring & Premium Japanese GlassKnown for Resilience & Clarity STRIKING PHOTO-ENHANCING EFFECTS CPL Filters Eliminate Reflections & Minimize Mirror Images When Shooting Water or Glass Surfaces; They Also Darken Skies for More Vibrancy & Dramatic Tension & Remove Blur/Haze for Enhanced ClarityPerfect for Landscape Photography