focal plane
noun Date: 1889 a plane that is perpendicular to the axis of a lens or mirror and passes through the focus

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • focal plane — n a plane that is perpendicular to the axis of a lens or mirror and passes through the focus …   Medical dictionary

  • focal plane — židinio plokštuma statusas T sritis fizika atitikmenys: angl. focal plane vok. Brennebene, f; Fokalebene, f rus. фокальная плоскость, f pranc. plan focal, m …   Fizikos terminų žodynas

  • focal plane — židinio plokštuma statusas T sritis Gynyba apibrėžtis Lęšio optinei ašiai statmena plokštuma, kurioje yra sufokusuotas vaizdas, matomas objektyve. atitikmenys: angl. focal plane pranc. plan focal …   NATO terminų aiškinamasis žodynas

  • focal plane — Optics. 1. a plane through a focal point and normal to the axis of a lens, mirror, or other optical system. Cf. principal plane. 2. the transverse plane in a telescope where the real image of a distant view is in focus. [1890 95] * * * …   Universalium

  • focal plane — /ˈfoʊkəl pleɪn/ (say fohkuhl playn) noun 1. the plane normal to the principal axis of a lens (or system of lenses) or a mirror, which passes through the focal point. 2. the plane in which light rays from an external object are focused in a camera …   Australian English dictionary

  • focal plane —    In photography, an image line at right angle to the optical axis passing through the focal point. This forms the plane of sharp focus when a camera is set on infinity. Also see aperture, camera, focal length, and f/stop …   Glossary of Art Terms

  • focal plane — fo′cal plane n. opt a plane through a focal point and perpendicular to the axis of a lens, mirror, or other optical system • Etymology: 1890–95 …   From formal English to slang

  • focal plane — The 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. fog i. The meteorological condition in which the horizontal visibility at the …   Aviation dictionary

  • Focal Plane — WikiV A plane (through the focal point) at right angles to the principal point of the lens …   Audio and video glossary

  • focal plane — noun : a plane that is parallel to the plane of a lens or mirror and that passes through a principal focus …   Useful english dictionary

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