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 ...

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 ...

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.

Knight Optical’s high-precision Colour Glass Filters enable ANPR cameras to capture vehicles’ number plates with ultimate accuracy. Known for their selective wavelength abilities, our Colour Glass ...

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 ...

As prolonged exposure to sunlight increasingly becomes a health hazard, causing skin problems and even cancer, automakers have started to incorporate glass that blocks harmful ultraviolet light. Japan ...

I love your magazine, and all of the how-to articles I find fascinating. Well, here is my question. I am finding a rust-colored powder in my fuel filter bowl and in the bottom of the carburetor. It ...