SUPERIOR CLARITY - Sigma's WR UV filter uses high-quality glass to maintain image sharpness and reduce unwanted UV light, ensuring optimal image quality in various conditions. ULTIMATE PROTECTION - Shield your valuable lens from scratches, dust, and impacts with this robust UV filter, preserving its condition and resale value over time. WATER & OIL REPELLENT - The advanced coating repels water and oil, making it easy to clean fingerprints and smudges, ensuring clear images even in challenging environments. ANTISTATIC COATING - This filter's antistatic layer prevents dust from clinging to the surface, reducing the need for frequent cleaning and maintaining pristine image quality.