Sigma WR Ceramic Protector Filters
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The Sigma WR Ceramic Protector is the latest example of Sigma’s dedication to innovative and first-to-market photography equipment. The new Clear Glass Ceramic protector is the first of its kind and the strongest material used in the industry. It will enable photographers to safeguard their lenses, while maintaining the impressive sharpness offered by high-quality glass, like our Global Vision line of lenses.
This shock- and scratch-resistant Clear Glass Ceramic was developed specifically for Sigma in partnership with a glass manufacturer. Made with a special heat treatment that evenly precipitates microcrystalline spinel throughout the materials, the Clear Glass Ceramic is 10 times stronger than a conventional protective filter and three times the strength of a chemically strengthened filter. The lens protector also contains WR coating, which repels water, dust and oil, and allows fingerprints to be easily removed.
This enhanced protection helps to preserve the lens and ensure long-term, top-notch image quality.