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exists and is an alternate of . The objective lens in a microscope helps to magnify the object being viewed on the slide. The objective lens can be rotated to change the magnification of the lens and yield a different view. The objective lens in a microscope helps to magnify the object being viewed on the slide.
Typically, a compound microscope is used for viewing samples at high magnification (40 - 1000x), which is achieved by the combined effect of two sets of lenses: the ocular lens (in the eyepiece) and the objective lenses (close to the sample).ight is passed through the sample (called transmitted light illumination). Larger objects need to be sliced to allow this to happen efficiently. Compound microscopes usually include exchangeable objective lenses with different magnifications (e.g 4x, 10x, 40x and 60x), mounted on a turret, to adjust the magnification.