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The objective lens is the main microscope lens used to magnify tiny objects or examine minute specimens that are a part of larger objects that are otherwise invisible to the naked eye. Other lenses simply provide additional fine focus or illumination. Continue Reading.
Objective Lenses. The pattern of light formed by the specimen is focused into a real image by the objective lenses. When the proper illumination is provided the resolving power of a microscope depends on the quality of its objective lenses. There are four of them with magnifications of 4X, 10X, 40X, and 100X.