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object lens

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{n: camera obscura} a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface



{n: compound microscope} light microscope that has two converging lens systems: the objective and the eyepiece

{n: condenser, optical condenser} lens used to concentrate light on an object

{n: hyperfocal distance} the distance in front of a lens that is focused at infinity beyond which all objects are well defined and clear

{n: objective, objective lens, object lens, object glass} the lens or system of lenses in a telescope or microscope that is nearest the object being viewed


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