ESO Signs Contracts for the ELT Primary Mirror

Published: 13 Jun 2017
ELT primary mirror - artist rendering

Contracts for the manufacture of the 39-metre primary mirror of the ESO Extremely Large Telescope (ELT) were signed on 30 May 2017 at a ceremony at ESO Headquarters. The German company SCHOTT will produce the blanks of the mirror segments, and the French company Safran-Reosc will polish, mount and test the segments. The contract to polish the mirror blanks is the second-largest contract for the ELT construction. See the Release for more details.