# Safran Reosc wins contract for ESO Extremely Large Telescope M5 mirror

Safran Reosc signed a contract with the European Southern Observatory to design and produce the M5 mirror for the Extremely Large Telescope. The mirror is a flat elliptical silicon carbide mirror measuring 2.70 by 2.20 meters.

- Type: Contract
- Announced: 2019-03-11
- Where: Chile
- Status: announced
- Products: M5 mirror, silicon carbide optics
- Sectors: [Aerospace Components](https://endata.com/sectors/aerospace-components.md)

## Companies

- [Safran Reosc](https://endata.com/companies/24586.md) (supplier)
- [European Southern Observatory](https://endata.com/companies/24587.md) (customer)

## Sources

- [asdnews.com](https://www.asdnews.com/news/aerospace/2019/03/11/safran-reosc-wins-fifth-contract-row-esos-extremely-large-telescope), 2019-03-11: "Safran Reosc's successive contract wins for the five mirrors that make up the ELT telescope reflect our unique experience in the polishing of large high-precision mirrors for astronomy and spaceborne applications."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.