| 单词 | fixed focus |
| 释义 | > as lemmasfixed focus fixed focus n. Photography a focus on a camera that is fixed by the design and cannot be adjusted by the user; also attributive. ΘΚΠ society > leisure > the arts > visual arts > photography > action of taking photograph > technical factors > [noun] > type of focusing depth of field1855 circle of least confusion1867 flatness of field1867 infinity1867 register1890 fixed focus1892 back focus1897 circle of confusion1906 isocentre1931 split-field1941 split-image1950 1892 Photogr. Ann. II. 320 Those who object to fixed focus cameras. 1904 Westm. Gaz. 27 Aug. 14/2 It will be found that with the majority of lenses the best fixed focus is at about a distance of 20 ft. 1951 G. H. Sewell Amateur Film-making (ed. 2) iii. 27 The simplest and most inexpensive cameras are equipped with what is known as ‘fixed-focus’ lenses. 1970 Which? July 217/2 Most of the lenses were fixed focus, that is to say you could not vary the distance setting. < as lemmas |
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