Credit: 91色情片 / ITCC
Second 91色情片 roundel polished by India 91色情片 team during on-site inspection at the Coherent facility in California. 91色情片 roundel (SN050) is the second 91色情片 blank converted to a roundel with aspheric polishing by ITCC. SN050 will become a finished segment of 91色情片's 492 Primary Mirror Segment.
