Glass for geeks: An in-depth tour of Nikon’s Hikari Glass factory

On the subject of photography, this detailed tour of Nikon’s glass factory shows the commitment that goes into making the most ‘elemental’ part of a camera lens (they are infact called elements)- it’s glass. A fairly long read, but worth it if your interest in photography.

https://www.imaging-resource.com/news/2018/04/17/glass-for-geeks-an-in-depth-tour-of-nikons-hikari-glass-factory