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单词 narrow-angle
释义

narrow-angleadj.

Brit. /ˌnarəʊˈaŋɡl/, U.S. /ˈnɛroʊˈæŋɡəl/
Origin: Formed within English, by compounding. Etymons: narrow adj., angle n.2
Etymology: < narrow adj. + angle n.2
Spanning or involving a narrow angle; esp. designating or relating to a lens with a long focal length and a narrow angle of view.
ΘΚΠ
society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [adjective] > types of lens
flat field1841
wide-angle1865
slow1867
wide-angled1873
fast1877
rapid1878
fish-eye1882
sharp1883
symmetrical1890
telephotographic1891
telephotographic lens1891
narrow-angle1893
stigmatic1896
tele-negative1898
tele-positive1898
bloomed1945
soft1945
wide-field1950
1893 L. Darwin in Proc. Royal Soc. 52 406 The following definitions have..been adopted at Kew:—A narrow angle lens means one covering effectively not more than 35°.
1961 G. Millerson Technique Television Production iii. 32 The forms of perspective-distortion introduced by narrow-angle lenses are a familiar feature in telecasts where the camera has to be positioned some way from the subject.
2001 Nature 26 July 411 We have examined over 8,000 of the narrow-angle MOC [sc. Mars Orbiter Camera] images that were acquired prior to August 1999 with a spatial resolution of less than 10 m per pixel.

Compounds

narrow-angle glaucoma n. Ophthalmology = angle-closure glaucoma at angle n.2 Compounds 2.
ΚΠ
1938 Amer. Jrnl. Ophthalmol. 21 1101/2 Shallow-chamber and narrow-angle glaucoma.
1956 F. W. Newell et al. Glaucoma (Trans. 1st Conf. 1955) 18 I do not like ‘angle closure’ and I do not like the term, ‘simple glaucoma’... I like the terminology, ‘narrow-angle glaucoma’ and ‘open-angle glaucoma’.
2000 Ophthalmologica 214 368 All the signs of acute narrow-angle glaucoma were present in the right eye.
This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).
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adj.1893
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更新时间:2025/2/3 11:04:06