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Sunlens Products

Sustainable sun lenses materials

Sustainable nylon and polycarbonate​

A strong awareness of the environment is what drives ZEISS Sunlens in its commitment to sustainable innovation. Through continuous improvements in production processes and the use of renewable resources, ZEISS Sunlens has developed a comprehensive portfolio of certified sustainable sun lens materials, including both Polyamide and Polycarbonate solutions.

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Redefining sun lens production through sustainability​

ZEISS Sunlens offers a new approach to sun lens production by introducing not only sustainable materials, but also a more climate-conscious manufacturing process. This includes the partial substitution of fossil-based resources with bio-based alternatives, biomass from agricultural and forestry resources, the use of renewable energy, and a certified mass-balance approach, all designed to reduce environmental impact across the entire value chain.​

Visualization of the ZEISS Sunlens, blue, base 8 lens from the side.

Sustainable polyamide sun lens material – Sustainable nylon

Our sustainable polyamide maintains the same exceptional strength, flexibility, and durability as traditional polyamide, now with a lower environmental impact. ​
By partially replacing fossil-based raw materials with bio-based resources and using energy from renewable sources, this solution also helps reduce CO₂ emissions, offering a more responsible choice for sun lenses.​

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Sustainable LightPro Technology sun lens material

Now produced exclusively using a sustainable formulation, LightPro Technology® by ZEISS Sunlens combines the best of both worlds: cutting disruptive glare like a polarised lens, while preserving depth perception and visual details. This innovative lens also ensures excellent digital screens readability, making it ideal for today’s digital lifestyles. By partially replacing fossil-based raw materials with bio-based resources, this solution supports a lower environmental impact. 

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Sustainable polarised polyamide sun lens material

The ZEISS Sunlens polarised polyamide is now available in a sustainable version, combining high performance with advanced visual comfort. ​
Thanks to its special microstructure, polarised lenses selectively block horizontally oriented light waves, reducing glare and offering clearer, more relaxed vision in very intense light conditions.​

With the partial replacement of fossil-based raw materials by bio-based resources, this innovation contributes to a lower environmental impact, making it part of our ongoing commitment to sustainable lens materials.​

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Sustainable polycarbonate for snow goggle shapes​

ZEISS Sunlens polycarbonate for snow goggle shapes is now offered in a sustainable version, delivering the same outstanding efficiency and durability that eyewear professionals rely on.​

Renowned for its high impact resistance and performance, this material is now made more responsible through the partial replacement of fossil-based raw materials with bio-based resources. A smart choice for brands seeking climate-friendly lens materials without compromising on protection and quality.​

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Sustainable polyamide sun lens production process

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Mass balance approach applied to the value chain

ZEISS Sunlens sustainable materials are produced using a certified mass balance approach. This means that bio-based and fossil-based raw materials are processed together within the same production system, rather than in separate facilities, in order to reduce manufacturing impacts. ​
The amount of bio-based input is carefully verified, tracked, and allocated through certification, on-site audits, and strict bookkeeping by independent organizations, ensuring transparency and accountability throughout the value chain.​
The bio-based raw materials used in the lens production value chain are derived from resources generated by the wood and agricultural industries. The bio-circular feedstock refers specifically to resources and residues of biological origin from agriculture, forestry, and related sectors.

International certifications ensure a fully transparent approach

ZEISS Sunlens is committed to a meticulous and transparent approach to sustainability, ensuring that every step of the production chain is verifiable and certified according to rigorous international standards.​

To support this, ZEISS Sunlens relies on two trusted certification schemes: REDcert² and ISCC PLUS.​

  • The REDcert² scheme, designed for the use of sustainable biomass in the chemical industry, certifies the sustainable polyamide-based lenses, including Standard Polyamide, Polarised Polyamide, and LightPro Technology.​
  • The ISCC PLUS certification, applicable to the bio- and circular economy and focused on renewable feedstocks and energy sources, is applied to the sustainable polycarbonate used for large goggle shapes.​
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Sustainability at ZEISS

As a company owned by a foundation, sustainability and business success are inextricably linked at ZEISS. Sustainable value added is an integral component of the company's business activity, which focuses on innovative solutions that contribute to positive development in society and enable long-term, profitable growth.

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