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Sigma Announce WR Ceramic Protector

Sigma has announced the world's first clear glass ceramic protective lens filters.

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Sigma

Sigma has developed original lens filters that meet the company’s high standards of excellence.

In developing its new protective lens filter, Sigma has leveraged an unprecedented cooperative relationship with a glass manufacturer, resulting in a completely new type of glass called Clear Glass Ceramic. Featuring this advanced material, the SIGMA WR CERAMIC PROTECTOR is a highly reliable filter with outstanding protective capability.

With many applications in aerospace and other industries, glass ceramic is an extremely tough type of crystallized glass that serves as the foundation for Clear Glass Ceramic. While featuring the high transmittance required of optical devices, this advanced new material combines greater hardness than chemically strengthened glass and greater flexibility than sapphire crystal glass. These qualities make Clear Glass Ceramic the ideal material for protective lens filters.

The filters are highly shock resistant, scratch-resistant and have 10 times the strength of a conventional protective filter. They are thinner and lighter than most other filters and are also water repellant. 

The Ceramic protector is available in several diameters from 67mm to 105mm. No pricing or availability has been announced as yet. 

 

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