| 单词 | objective lens |
| 释义 | > as lemmasobjective lens a. Designating or relating to the lens or combination of lenses in a refracting telescope, microscope, etc., that is nearest the object to be viewed. Frequently in objective lens. Cf. sense B. 3. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [adjective] > object-glass objective1671 1671 Philos. Trans. (Royal Soc.) 6 3047 The Eye is always more distant from the Convex Objective Glass, than its point of Concourse. 1719 Philos. Trans. 1717–19 (Royal Soc.) 30 1017 A B is the Object suppos'd at a vast distance from the Ojective [read Objective] Lens L L. 1762 Philos. Trans. 1761 (Royal Soc.) 52 375 The objective-glass of my 9 feet telescope. 1837 C. R. Goring & A. Pritchard Micrographia 154 So far as the objective part of the instrument is concerned. 1866 Sci. Amer. 3 Mar. 152/1 The objective lens of a microscope or telescope. 1922 Amer. Jrnl. Bot. 9 p. vii (advt.) Patented solid objective mount, holding lenses in absolute alignment. 1962 Science 20 July 226/2 The cut part was immersed in a small pool of saline solution centered under the objective lens. 1990 Which? May 294/1 Binoculars are described by two numbers, e.g. 8 × 30 or 7 × 50... The second is the diameter, in millimetres, of the objective lens—the lens furthest from your eye. < as lemmas |
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