An astronomical telescope.
| 单词 | θ64758 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > astronomical telescopes (14) stellascope1661 An astronomical telescope. Schmidt camera1934 attributive. Designating a telescope used in astrophotography, having a wide field of view and employing a correcting lens (see sense 2) at the… Schmidt1939 A Schmidt telescope. Maksutov–Cassegrain1958 A Maksutov–Cassegrain telescope or camera, having a deeply curved meniscus lens as a correcting plate and incorporating a small secondary mirror… Maksutov1970 A Maksutov telescope or camera. Nasmyth–Cassegrain1972 An altazimuth reflecting telescope in which light from a Cassegrain secondary mirror is reflected by a tertiary plane mirror through 90 degrees… Schmidt telescope1978 attributive. Designating a telescope used in astrophotography, having a wide field of view and employing a correcting lens (see sense 2) at the… Dobsonian1980 A Dobsonian telescope. Subcategories:— qualities of (1) — parts of (5) |
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