英语词汇“focusing ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

focusing ring

focusing ring n. a ring on the body of an optical instrument, esp. a camera lens, which is rotated to focus the instrument (typically by adjusting the relative position of the lenses).

ΚΠ

1897 Official Gaz. (U.S. Patent Office) 21 Sept. 1879/2 In an opera, or similar glass, the main barrels..provided with focusing-rings.

1918 ‘Klaxon’ H.M.S. —— 44 In a flash he was at his sights, his hands on the focussing-ring and his head close up to the telescope.

2001 Nat. New Eng. Fall 45/2 As the bird approaches, the photographer constantly adjusts the focus by swiveling the focusing ring.

extracted from focusingn.

as lemmas

单词	focusing ring
释义	> as lemmas focusing ring focusing ring n. a ring on the body of an optical instrument, esp. a camera lens, which is rotated to focus the instrument (typically by adjusting the relative position of the lenses). ΚΠ 1897 Official Gaz. (U.S. Patent Office) 21 Sept. 1879/2 In an opera, or similar glass, the main barrels..provided with focusing-rings. 1918 ‘Klaxon’ H.M.S. —— 44 In a flash he was at his sights, his hands on the focussing-ring and his head close up to the telescope. 2001 Nat. New Eng. Fall 45/2 As the bird approaches, the photographer constantly adjusts the focus by swiveling the focusing ring. extracted from focusingn. < as lemmas
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