| 单词 | secondary mirror |
| 释义 | secondary mirror He designed, assembled, tested and delivered diffraction-limited performance in its secondary mirror assembly. Retrieved from Wikipedia CC BY-SA 3.0 They are artifacts caused by light diffracting around the support vanes of the secondary mirror. Retrieved from Wikipedia CC BY-SA 3.0 This was to allow the same cell to measure both selective and full field for which the secondary mirror was larger than earlier cameras. Retrieved from Wikipedia CC BY-SA 3.0 The telescope had a small convex hyperboloidal secondary mirror placed near the prime focus to reflect light through a central hole in the main mirror. Retrieved from Wikipedia CC BY-SA 3.0 It has been upgraded, including the installation of a new secondary mirror. Retrieved from Wikipedia CC BY-SA 3.0 |
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