Sigma Announced the World’s First Protective Lens Made of Clear Glass Ceramic


New scratch- and shock-resistant material provides protection for investment

TodayRONKONKOMA, NY — December 16, 2015 – Sigma Corporation of America, a leading DSLR lens and camera manufacturer, announced the new Sigma Water Repellent (WR) Ceramic Protector, a lens filter that features new Clear Glass Ceramic material and provides enhanced protective qualities.

“This shock- and scratch-resistant Clear Glass Ceramic was developed specifically for Sigma in partnership with a glass manufacturer. 

  • Scratch resistant clear glass
  • Highly shock resistant
  • Up to 10 times stronger than other conventional protective filters
  • Water, oil and dust resistant coating that minimizes flare and ghosting”


This filter is compatible with all Sigma lenses and other lenses that accept front filter threads that are 67mm-105mm diameters. Compatible lenses in Sigma’s Art line include: 35mm F1.4 DG HSM, 30mm F1.4 DC HSM, 18-35mm F1.8 DC HSM, 24-35mm F2 DG HSM, 24-105mm F4 DG OS HSM, 50mm F1.4 DG HSM, 24mm F1.4 DG HSM, 19mm F2.8 DN, 30mm F2.8 DN and 60mm F2.8 DN. Compatible lenses in the Sports line include the 120-300mm F2.8 DG OS HSM and 150-600mm F5-6.3 DG OS HSM. Compatible lenses in the Contemporary line include the 17-70mm F2.8-4.0 DC OS HSM, 18-200mm F3.5-6.3 DC OS HSM, 18-300mm F3.5-6.3 DC OS HSM and the 150-600mm F5-6.3 DG OS HSM.

Source: DPReview

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