lense

Noun
  1. A transparent optical device used to converge or diverge transmitted light and to form images (synset 103661810)
    is a type of: optical device - a device for producing or controlling light
    subtypes:
    • anastigmat - compound lens or lens system designed to be free of astigmatism and able to form approximately point images
    • anastigmatic lens - a lens designed to correct astigmatism
    • camera lens, optical lens - a lens that focuses the image in a camera
    • compound lens - a lens system consisting of two or more lenses on the same axis
    • condenser, optical condenser - lens used to concentrate light on an object
    • contact, contact lens - a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
    • converging lens, convex lens - lens such that a beam of light passing through it is brought to a point or focus
    • crown lens - a lens made of optical crown glass
    • concave lens, diverging lens - a lens such that a parallel beam of light passing through it is caused to diverge or spread out
    • eyepiece, ocular - combination of lenses at the viewing end of optical instruments
    • field lens - the lens that is farthest from the eye in an optical device with more than one lens
    • fresnel lens - lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
    • intraocular lens - an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed
    • meniscus - (optics) a lens that is concave on one side and convex on the other
    • eyeglass, monocle - lens for correcting defective vision in one eye; held in place by facial muscles
    • object glass, object lens, objective, objective lens - the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
    is a part of: optical instrument - an instrument designed to aid vision
    same as: lens, lens system

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