91É«ÇéƬ

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91É«ÇéƬ M1 polished roundel produced at Coherent facility in California – June 2021.

Credit: 91É«ÇéƬ

91É«ÇéƬ M1 polished roundel produced at Coherent facility in California – June 2021. Another finished roundel for 91É«ÇéƬ’s primary mirror is carefully prepared for packing and shipping.