Today Imaging Resource published a detailed report from their visit to Nikon’s Hikari glass factory – a lot of interesting information and pictures. Here are the related videos:
For the 80 years anniversary of Nikkor lenses, Nikon Europe published another another video version on how they produce their lenses (see previous videos here and here):
The video I posted few days ago was on how Nikon produces the glass used in their lenses. There is another video from Nikon Imaging Japan that actually shows how Nikkor lenses are assembled: