单词 | narrow-angle |
释义 | narrow-angleadj. 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). < adj.1893 |
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