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Sigma’s new lens protector uses heat-treated ceramic glass

Dec 16, 2015 by GB Leave a Comment

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SigmaFilters5

If you’ve been looking to get a new protective filter for your newest lens, you can go ahead and stop looking now.

Sigma has unveiled the WR (Water Repellant) Ceramic Protector, a lineup of protective lens filters claimed to be the ‘world’s first highly shock-resistant and scratch-resistant clear glass ceramic protective filter.’

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Said to be 300% stronger and 30% lighter than chemically-hardened glass filters, what sets Sigma’s newest filter apart from others in the business is the clear glass ceramic and specialized treatment Sigma has developed.

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Unlike glass filters strengthened with chemical treatments, such as Hoya’s HD3 lineup, Sigma uses a heat treatment that penetrates entirely through the glass to create a filter that’s stronger all the way through, not just on the surface.

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The result is a filter that is more resistant to scratches, chips and shattering.

As for optical quality, the Sigma WR Ceramic Protector Filter also claims to provide 99.76% light transmission, putting it fractionally above the 99.7% of the aforementioned Hoya HD3 UV Filters.

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Below is a video from Sigma explaining the technology behind the WR Ceramic Protector:

The filters come in 67mm, 72mm, 77mm, 82mm, 86mm, 95mm and 105mm sizes – more than enough to cover almost any lenses you have in your bag. Pricing and availability are yet to be announced, but as the adage goes, if you have to ask the price…well…you know the rest.

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Filed Under: Gear Tagged With: ceramic, clear glass, Filters, lens, protective, sigma

About GB

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Alex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

Dave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

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