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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]
Watch the Spellbinding Process of How Nikon Makes Its Lenses
Peelable Polarised Lenses Turn Any Specs Into 3D Glasses
Is Nikon Making an Android-Powered Point and Shoot?
Less pretty but more informative is this one from Canon: http://www.youtube.com/watch?v=ovxtgj4SsiI
Goes into the polishing and assembly process too.