Collimating lens
Collimate Col"li*mate, v. t. [imp. & p. p. {Collimated}; p. p. & vb. n. {Collimating}.] [See {Collimation}.] (Physics & Astron.) To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to render parallel, as rays of light. [1913 Webster]

{Collimating eyepiece}, an eyepiece with a diagonal reflector for illumination, used to determine the error of collimation in a transit instrument by observing the image of a cross wire reflected from mercury, and comparing its position in the field with that of the same wire seen directly.

{Collimating lens} (Optics), a lens used for producing parallel rays of light. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • collimating lens — kolimavimo lęšis statusas T sritis fizika atitikmenys: angl. collimating lens vok. Kollimatorlinse, f rus. коллимационная линза, f; коллимирующая линза, f pranc. lentille collimatrice, f; lentille de collimation, f …   Fizikos terminų žodynas

  • collimating lens — Lens that produces a non divergent beam of light or other electromagnetic radiation. Simpler collimators involve slits. Essential in obtaining good illumination in microscopy and for many measuring instruments …   Dictionary of molecular biology

  • collimating lens — noun : a lens used for producing parallel rays of light …   Useful english dictionary

  • Collimating — Collimate Col li*mate, v. t. [imp. & p. p. {Collimated}; p. p. & vb. n. {Collimating}.] [See {Collimation}.] (Physics & Astron.) To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to… …   The Collaborative International Dictionary of English

  • Collimating eyepiece — Collimate Col li*mate, v. t. [imp. & p. p. {Collimated}; p. p. & vb. n. {Collimating}.] [See {Collimation}.] (Physics & Astron.) To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to… …   The Collaborative International Dictionary of English

  • collimating marks — Index marks at the center point of each side of an air negative or photo. These are usually four in number, are rigidly connected with the camera lens through the camera body which forms images on the negative and usually define the principal… …   Aviation dictionary

  • Collimating eyepiece — eyepiece eye piece eye piece eye piece , n. (Opt.) The lens, or combination of lenses, at the eye end of a microscope, telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed. Syn: ocular.… …   The Collaborative International Dictionary of English

  • Collimate — Col li*mate, v. t. [imp. & p. p. {Collimated}; p. p. & vb. n. {Collimating}.] [See {Collimation}.] (Physics & Astron.) To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to render… …   The Collaborative International Dictionary of English

  • Collimated — Collimate Col li*mate, v. t. [imp. & p. p. {Collimated}; p. p. & vb. n. {Collimating}.] [See {Collimation}.] (Physics & Astron.) To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to… …   The Collaborative International Dictionary of English

  • Collimated light — In the lower picture, the light has been collimated. Collimated light is light whose rays are parallel, and therefore will spread slowly as it propagates. The word is related to collinear and implies light that does not disperse with distance… …   Wikipedia

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