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单词 focal plane
释义

focal plane


focal plane

n 1. (General Physics) the plane that is perpendicular to the axis of a lens or mirror and passes through the focal point 2. (General Physics) the plane in a telescope, camera, or other optical instrument in which a real image is in focus

fo′cal plane`



n. a plane through a focal point and perpendicular to the axis of a lens, mirror, or other optical system. [1890–95]

focal plane

The plane, perpendicular to the optical axis of the lens, in which images of points in the object field of the lens are focused.
Translations
piano focale

focal plane


focal plane

See focal length.

focal plane

[′fō·kəl ‚plān] (optics) A plane perpendicular to the axis of an optical system and passing through the focal point of the system.

focal plane

focal planeThe plane occupied by the film at the focal point of the lens. It can be positive or negative; it is commonly referred to as positive and negative planes, respectively.

focal plane


focal plane

One of two planes through the anterior and posterior principal foci of a dioptric system and perpendicular to the line connecting the two.See also: plane
AcronymsSeefowl poxThesaurusSeeplane
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更新时间：2025/2/7 18:01:43