| 单词 | correcting plate |
| 释义 | correcting platecorrecting plate(correcting lens; corrector) The aspherical element placed at the front of a catadioptric telescope to correct the aberration of its spherical primary mirror. In this way a very wide field can be obtained, sensibly free from aberrations, even at focal ratios well below one. See also Maksutov telescope; Schmidt telescope.correcting plate[kə′rek·tiŋ ‚plāt] |
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