With a primary mirror diameter of 128 feet and a building height of 279 feet, the ELT is a project of superlatives. But it is not just the sheer scale of the building and its instruments that have the ability to impress. The construction processes are also outstanding. We have prepared a short movie that explains the challenging ZERODUR® production in six minutes, and sheds a light on the sophisticated logistics.
August 21st, 2017
What does hermeticity mean, how is it defined and tested, and what is the difference between hermetic and quasi-hermetic packaging?
When 50 years ago, Neil Armstrong became the first man to walk on the moon, optical glasses from SCHOTT helped capture this event in impressive images.
Whether it is mornings or evenings, light is more than merely brightness; it helps in setting our moods.
SCHOTT manufactured an extremely curved secondary mirror substrate made of ZERODUR® glass-ceramic in Mainz, Germany, for the ESO´s Extremely Large Telescope