Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
Menu

Top view of the 3-dimensional model of the European Extremely Large Telescope and its enclosure. The primary mirror has a diameter of 42 m and is composed of 906 segments, each 1.45 m wide. The secondary mirror is as large as 6 m in diameter.

Image credit: ESO

Copyright © 2019 SPIE EuropeDesigned by Kestrel Web Services