![]() These microscopes also include a condenser lens and iris diaphragm, which are important for regulating how light hits the sample. Larger objects need to be sliced to allow this to happen efficiently.Ĭompound microscopes usually include exchangeable objective lenses with different magnifications (e.g 4x, 10x, 40x and 60x), mounted on a turret, to adjust the magnification. ![]() Light is passed through the sample (called transmitted light illumination). The total magnification is calculated by multiplying the magnification of the ocular lens by the magnification of the objective lens. 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). A compound microscope is a microscope that uses multiple lenses to enlarge the image of a sample.
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