If you were ever curious about how Nikon managed to make the wonderful glass that capture beautiful pictures, well, it all starts with making the glass itself. This video gives you a peek inside the Nikon factories that make the glass and shows you the step by step process.
It's crazy to see little frosty cubes be transformed into pucks of glass. It takes a whole lot of burning and a whole lot of machinery that look like they can rip a whole lot of fingers off. [PetaPixel]