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

field curvature n. Optics curvature of the focal surface of a lens or other optical system; (Photography) an aberration caused by the use of a lens with a curved focal surface in capturing an image on a flat surface, the edges of the image being out of focus when the centre is in focus (and vice versa).

ΚΠ

1892 U.S. Patent 474,833 1/1 Causing the center of focus to fall on the centre of the sensitized plate and causing the field curvature of the lens to be brought equally in contact with said plate.

1949 Pop. Mech. Aug. 203 The performance of the altered glasses is excellent, the only fault being an increase in the field curvature.

2003 Amer. Photo July–Aug. 59/2 The 19-element 70–200mm SSM [lens] incorporates four aspheric elements..that reduce aberrations and field curvature.

单词	field curvature
释义	> as lemmas field curvature field curvature n. Optics curvature of the focal surface of a lens or other optical system; (Photography) an aberration caused by the use of a lens with a curved focal surface in capturing an image on a flat surface, the edges of the image being out of focus when the centre is in focus (and vice versa). ΚΠ 1892 U.S. Patent 474,833 1/1 Causing the center of focus to fall on the centre of the sensitized plate and causing the field curvature of the lens to be brought equally in contact with said plate. 1949 Pop. Mech. Aug. 203 The performance of the altered glasses is excellent, the only fault being an increase in the field curvature. 2003 Amer. Photo July–Aug. 59/2 The 19-element 70–200mm SSM [lens] incorporates four aspheric elements..that reduce aberrations and field curvature. extracted from fieldn.¹ < as lemmas
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