Sigma WR Ceramic Protector - 86mm


Constructed from Clear Glass Ceramic, an advanced material with outstanding strength, the Sigma WR...Constructed from Clear Glass Ceramic, an advanced material with outstanding strength, the Sigma WR Ceramic Protector features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass and greater flexibility than sapphire crystal glass. The extremely tough crystallized glass results in a highly protective clear glass filter. High transmission optical glass, Extremely tough construction with chemically strengthened glass, Highly shock resistant, Scratch resistant, Thinner and lighter design, Water repellent coating, Minimises flare and ghosting. This lens filter is not your ordinary protector. It's constructed from a revolutionary material known as Clear Glass Ceramic, a product of Sigma's innovative partnership with a leading glass manufacturer. This advanced material boasts a high transmittance, a crucial feature for optical devices, and combines the hardness of chemically strengthened glass with the flexibility of sapphire crystal glass. The result A lens filter that's incredibly tough, yet flexible, making it the ideal choice for photographers seeking superior lens protection. The Clear Glass Ceramic material is not only shock-resistant but also resistant to small scratches or chips, reducing the risk of shattering and enhancing safety. It offers a Vickers hardness number of 700HV, significantly higher than chemically strengthened glass used in conventional high-strength protective filters. This high level of hardness helps prevent scratches and chips that can lead to filter breakage. The Sigma WR Ceramic Protector is up to 50% thinner and 30% lighter than previous Sigma filters, thanks to the strength of the Clear Glass Ceramic material. Despite its slim profile, it offers over 10 times the strength of a conventional protective filter and over 3 times the strength of a high-strength protective filter made with chemically hardened glass of the same thickness. High transmittance is another key feature of Sigma's Clear Glass Ceramic, making it an ideal choice for optical glass. The lens filter allows light to pass evenly throughout the image, from the center to the edges, ensuring high-quality images with all Sigma lenses. The lens filter also features a water-repellent (WR) coating that minimizes flare and ghosting by reflecting only 0.24% of visible light. This coating also repels water and oil, making fingerprints easy to wipe off and preventing static electricity from attracting dust and other particles. Made entirely in Japan, the Sigma WR Ceramic Protector comes with a specially designed storage case made of a strong, flexible acrylic material. This durable case is designed to last many years with minimal deterioration, providing a safe and reliable storage solution for your lens filter. Choose the 86mm WR Ceramic Protector Ultra Thin Clear Glass Lens Filter for a blend of protection, clarity, and quality that's hard to beat.
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