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DW Windsor offers improved photometric performance with updated Diamond+ Optic range

March 2024


DW Windsor offers improved photometric performance with updated Diamond+ Optics

Outdoor lighting specialist unveils new precision optics to support a greater range of road and area lighting applications

DW Windsor, a leading innovator in lighting solutions, is pleased to announce that its Diamond+ Optic range has been optimised to deliver increased photometric performance for outdoor lighting applications.

The latest update includes the introduction of two optics specifically engineered for road and area lighting applications, offering improved efficiency with greater glare control. The new additions are the result of a rigorous testing process and reinforce the British manufacturer’s commitment to delivering tailored solutions designed to meet the needs of its customers.

DW Windsor’s Diamond+ Optic range is an evolution of its award-winning and patented Diamond Optic reflector technology. The platform allows lighting professionals to create widely different lighting distributions from a single luminaire. Specifiers can choose from a broad selection of standard optical distributions, enabling unparalleled flexibility and precise lighting control, whether illuminating roads, car parks, or commercial spaces.


For over eight years, our Diamond+ Optic range has helped specifiers deliver efficient, compliant lighting schemes with excellent uniformity. With the introduction of two new optics, we're offering designers even greater flexibility and helping them achieve lighting classes with higher efficiency and reduced glare.

—Alan Grant, Design & Development Director, DW Windsor 

The revised optic range aligns with DW Windsor’s new Light Responsibly® initiative, designed to support and promote responsible lighting practices. Controlling light effectively is crucial to reducing light trespass and its negative effects. By offering an extensive range of optics, light can be directed only where needed, helping to minimise any impact on people and biodiversity.

Diamond+ Optics are available across the company’s column and bracket luminaires range, including its flagship street lighting range, Kirium Pro S, and its signature Heritage lantern, Windsor Street.

For more information about the enhanced Diamond+ Optic range, visit


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