To go bare lens or not to go bare lens? That’s the question that many photographers ask when buying a new lens, with many insisting that a UV filter wards off scratches while others say glass that ...

Sigma has revealed a range of lens filters which use a new type of crystallized glass to offer increased protection, while also being thinner and lighter than previous models. The WR Ceramic Protector ...

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Commonly used in lighting devices – such as protective filters for projector optics – and systems featuring heat-sensitive components, KG1 Heat Glass Filters help alleviate overheating issues.

A team at Lawrence Berkeley National Lab have developed a new type of smart window coating which can selectively filter out heat and visible light using a nanostuctured composite of indium tin oxide ...