object glass(redirected from Objective (optics))
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|Noun||1.||object glass - the lens or system of lenses in a telescope or microscope that is nearest the object being viewed|
compound microscope - light microscope that has two converging lens systems: the objective and the eyepiece
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
optical telescope - an astronomical telescope designed to collect and record light from cosmic sources