ELT secondary mirror blank in the streets of Mainz

Transfer of ELT secondary mirror blank to the SCHOTT 4-metre blank annealing facility in Mainz, Germany in May 2017. The blank was cast out of ZERODUR®, a material originally developed for astronomical telescopes in the late 1960s. Zerodur® has almost no thermal expansion even when subjected to large temperature fluctuations, is highly chemically resistant, and can be polished to a high standard of finish.

Mynd/Myndskeið:

SCHOTT/ESO

Um myndina

Auðkenni:eso1715e
Tegund:Ljósmynd
Útgáfudagur:Maí 22, 2017, 12:00 CEST
Tengdar fréttatilkynningar:eso1715
Stærð:3282 x 5244 px

Um fyrirbærið

Tegund:Unspecified : Technology
Flokkur:ELT

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