| 单词 | schmidt correcting plate |
| 释义 | > as lemmasSchmidt correcting plate 2. attributive. Designating an aspheric lens formed so as to counter the spherical aberrations in a spherical mirror it is placed in front of, as Schmidt correcting lens, Schmidt correcting plate, Schmidt corrector, etc. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > other lenses concave1632 globe1653 meniscus1693 hemispherule1696 convex1705 omphaloptic1728 omphalopter1738 crown lens1764 achromatic1785 condenser1798 meniscus lens1820 Fresnel lens1835 bull's-eye1839 Stanhope lens1850 spot lens1860 amplifier1866 achromat1873 projectora1884 aplanat1890 triplet condenser1892 Aldis lens1902 monocentric1922 Schmidt correcting plate1934 coated lens1948 Panavision1955 Schmidt correcting lens1961 re-imaging1962 1934 Carnegie Inst. Washington: Year Bk. 1933–4 33 144 The successful application by Dunham of a Schmidt correcting plate to the design of spectrographic cameras makes it especially desirable that the coudé instrument be provided with several such cameras. 1961 G. R. Miczaika & W. M. Sinton Tools of Astronomer iii. 99 (caption) Possible shapes of Schmidt correcting lenses. 1993 D. Malin View of Universe viii. 196 (caption) This is the most recent dwarf galaxy discovery, the Sextans dwarf, discovered on UK Schmidt plates by a measuring machine in Cambridge, England, in 1990. 2001 F. Watson in P. Moore 2002 Yearbk. Astron. ii. 230 In their construction, these so-called ‘classical’ Schmidts all follow a similar generic pattern (see Figure 1). The thin glass plate—the ‘Schmidt corrector’—is the heart of the system. < as lemmas |
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