How Both Nikon and Canon Lenses are Manufactured

This interesting and entertaining video, NIKKOR 80th Anniversary Special we're celebrating 80 years of NIKKOR lenses shows us how their lenses are produced.
     

This next equally entertaining video shows us how the Canon 500mm f/4 L lens is manufactured.

Related: 

• Nikon video shows the unbelievable precision of the Nikon Master Crafts-persons
• Manufacturing Leica Lenses
• What Makes Exotic Lenses So Special? 

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