The Life of a Lens: Chronicling the Creation of a Single Lens for DESI

This video chronicles the many steps it took to create a single lens for the Dark Energy Spectroscopic Instrument (DESI).

Lens Path:

1. Oyama, Japan (Ohama Group, lass manufacture)
2. Berkeley, stopped on the way Tucson, AZ (AOS, polishing vendor)
3. West Nottingham, NH (Inventex, ground lens to near shape)
4. Tucson, AZ (AOS, polishing vendor) 
5. Greenbelt, MD (GSFC, mechanical measurements on lens)
6. Tucson, AZ (AOS, polishing vendor)
7. Santa Rosa, CA (Viavi, antireflection coating vendor) 
8. London, UK (UCL, system integrator)
9. Kitt Peak, AZ (Installation)