The_optical_system_of_the_ELT_showing_the_location_of_the_mirrors_(no_annotation).jpg
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Summary
Description The optical system of the ELT showing the location of the mirrors (no annotation).jpg |
English:
This diagram shows the novel 5-mirror optical system of ESO's Extremely Large Telescope (ELT). Before reaching the science instruments the light is first reflected from the telescope's giant concave 39-metre segmented primary mirror, it then bounces off two further 4-metre-class mirrors, one convex and one concave. The final two mirrors form a built-in adaptive optics system to allow extremely sharp images to be formed at the final focal plane.
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Date | |
Source | http://www.eso.org/public/images/eso1704i/ |
Author | ESO |
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