How Optical Lenses Are Manufactured

Here’s an interesting “How It’s Made” segment showing how optical lenses are made. Here’s a hint at why lenses are so expensive: slabs of optical glass cost up to $1000 for 2.2lb!

(via Reddit)

  • Michael Godek

    I was literally JUST wondering about this the other day thinking the discovery channel should do a “how it’s made” about it!

  • Mads Johansen

    it’s also here, a bit faster:

  • GlossGreen

    I saw something similar the other day from the Canon site. Here’s their museum with the process of making a lens.  Very cool videos.

  • SLotH

    This is really cool