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measuring the curvature of a lens Watch

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    What piece of equipment would I use to measure the curvature of a lens? My mate reckons it sounds something like a spirometer.
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      (Original post by tombrown9g2)
      What piece of equipment would I use to measure the curvature of a lens? My mate reckons it sounds something like a spirometer.

      A spherometer

      http://en.wikipedia.org/wiki/Spherometer

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      ahh yep thats the one. I wasn't far off with spirometer lol
     
     
     
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