How camera lenses are made

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Have you ever wondered how camera lenses are made? Discovery Channel’s “How it’s Made” produced a segment a few years ago on the process of assembling a lens.

According to the video it takes 6 weeks to make an lens and optical glass can costs up to $1000 per kilogram, no wonder lenses are so expensive.
Enjoy.



Image credit: Photographs by Duncan Meeder

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