object glass definition

  • noun:
    • See goal.
    • the lens, or system of lenses, placed at the end of a telescope, microscope, etc., which can be toward the thing. Its function is form a graphic of object, that will be after that viewed because of the eyepiece. Called additionally objective or unbiased lens. See Illust. of Microscope.
    • In a telescope or microscope, the lens which first gets the rays of light coming straight from object, and collects them into a focus, where they form a picture which can be viewed through eyepiece.
    • the lens or system of contacts in a telescope or microscope that's nearest the thing becoming seen

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