interchangeable objectives

См. также в других словарях:

• Objective — In a microscope, the objective (also called the objective lens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed the ocular (the eyepiece). The light microscope today is usually binocular (with one… …   Medical dictionary

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• objective — n. (in microscopy) the lens or system of lenses in a light microscope that is nearest to the object under examination and furthest from the eyepiece. In many types of microscope interchangeable objectives with different powers of magnification… …   The new mediacal dictionary

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• microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

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• Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …   Wikipedia

• Twin-lens reflex camera — A twin lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective (the lens that takes the picture), while the other is used for the waist level viewfinder… …   Wikipedia