Category: ceramic

A Metal Ball Bounces off The SIGMA WR Ceramic Filter; Said To Be 1000% Stronger Than Other Filters

Udi Tirosh

A few years ago I broke the filter on my 24-70 2.8 Nikon lens. I felt quite the lucky guy, as that lens is about $1,800. The comments on the usefulness of that filter were mixed. I think the comments on how the new Sigma filter protects a lens will be different. On December Sigma announced that […]

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Sigma Unveils Durable & Water Repellent Ceramic Lens Filters

Eric Reagan

The new Sigma Water Repellent (WR) Ceramic Protector is a shock- and scratch-resistant Clear Glass Ceramic filter that is 10 times stronger and a conventional protective filter and three times the strength of a chemically strengthened filter. It also features a WR coating that repels water, dust and oil, allowing fingerprints to be easily removed. […]

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

Gannon Burgett

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.’ Said to be […]

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