Team Effort

This image shows some of the people behind the scenes at the technical acceptance of the massive 3-ton blank for the ELT’s secondary mirror.

M2 will be the largest ever secondary mirror employed on a telescope, as well as the largest convex mirror ever produced. Fabricating this highly convex, aspherical mirror is a considerable challenge — and the result will be a truly remarkable example of pioneering optical engineering. The secondary mirror and its support system — weighing 12 tonnes —  will hang upside-down high above the 39-metre primary mirror.

 

Credit:

SCHOTT

About the Image

Id:ann19003b
Type:Photographic
Release date:16 January 2019, 10:00
Related announcements:ann19003
Size:2362 x 1574 px

About the Object

Name:Extremely Large Telescope
Type:Unspecified : Technology
Category:ELT

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