angle of aperture

angle of aperture
the angle between two lines from the focus of a lens to the ends of its diameter.

Medical dictionary. 2011.

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  • angle of aperture — angular aperture the angle formed at a luminous point between the most divergent rays that are capable of passing through the objective of a microscope; called also a. of lens …   Medical dictionary

  • aperture of lens — angle of a …   Medical dictionary

  • Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …   Wikipedia

  • angle — The meeting point of two lines or planes; the figure formed by the junction of two lines or planes; the space bounded on two sides by lines or planes that meet. For angles not listed below, see the descriptive term; e.g., axioincisal, distobuccal …   Medical dictionary

  • aperture angle — apertūros kampas statusas T sritis fizika atitikmenys: angl. angular aperture; aperture angle vok. Aperturwinkel, m; Öffnungswinkel, m rus. апертурный угол, m pranc. angle d’ouverture, m; angle du champ, m …   Fizikos terminų žodynas

  • aperture — apertural /ap euhr choor euhl/, adj. apertured, adj. /ap euhr cheuhr/, n. 1. an opening, as a hole, slit, crack, gap, etc. 2. Also called aperture stop. Optics. an opening, usually circular, that limits the quantity of light that can enter an… …   Universalium

  • angle du champ — apertūros kampas statusas T sritis fizika atitikmenys: angl. angular aperture; aperture angle vok. Aperturwinkel, m; Öffnungswinkel, m rus. апертурный угол, m pranc. angle d’ouverture, m; angle du champ, m …   Fizikos terminų žodynas

  • angle d’ouverture — apertūros kampas statusas T sritis fizika atitikmenys: angl. angular aperture; aperture angle vok. Aperturwinkel, m; Öffnungswinkel, m rus. апертурный угол, m pranc. angle d’ouverture, m; angle du champ, m …   Fizikos terminų žodynas

  • Angle of Incidence —   In reference to solar energy systems, the angle at which direct sunlight strikes a surface; the angle between the direction of the sun and the perpindicular to the surface. Sunlight with an incident angle of 90 degrees tends to be absorbed,… …   Energy terms

  • Aperture-to-medium coupling loss — In telecommunication, aperture to medium coupling loss is the difference between the theoretical gain of a very large antenna, such as the antennas in beyond the horizon microwave links, and the gain that can be realized in practice. Note 1:… …   Wikipedia

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