optical lens

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Thân thiện
optical lens

A photographer adjusts the optical lens on her camera.

Definition
  1. Noun:
    • A transparent optical component with curved surfaces that refracts light: An optical lens is a piece of glass or other transparent material, shaped to converge or diverge light rays, used to form images.
    • Specifically, a lens that focuses an image in an optical instrument: In this precise sense, it refers to the lens within a device like a camera, microscope, or telescope that is responsible for forming a sharp image.
Usage Examples
  • Noun:
    • The optical lens in this microscope is of very high quality.
    • A scratch on the camera's optical lens will degrade the photo.
    • The design of the optical lens determines the focal length and magnification.
Advanced Usage

  • "Corrective optical lens": A lens ground to a specific prescription to correct vision, such as in eyeglasses or contact lenses.

    • His new glasses contain a sophisticated corrective optical lens for astigmatism.

  • "Compound optical lens": A lens system made by combining multiple simple lenses to correct optical aberrations.

    • Modern camera objectives use a compound optical lens for sharper images.
Variants and Related Words
  • Lens (n): The more general term for any piece of transparent material with curved surfaces for focusing or dispersing light. "Optical lens" is a specific type of lens.
  • Objective lens (n): The primary light-gathering lens in an optical instrument like a telescope or microscope.
  • Eyepiece lens (n): The lens or group of lenses in an optical instrument through which the viewer looks.
Synonyms
  • Lens element: A single piece of glass or material within a compound lens system.
  • Optical element: A broader term for any component (lens, prism, mirror) that manipulates light in an optical system.
Related Phrases

  • Lens assembly (n): A group of lenses mounted together within a device.

    • The entire lens assembly was replaced to fix the focusing issue.

  • Lens barrel (n): The cylindrical housing that holds an optical lens or lens assembly.

    • He carefully cleaned the interior of the lens barrel.
Related Idioms

(Note: There are no common idioms that use the specific technical term "optical lens." Idioms typically use the simpler word "lens.")

optical lens

A photographer adjusts the optical lens on her camera.

Noun
  1. a lens that focuses the image in a camera

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