Download the optical (light) microscope

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Microscope Components
 Reflected light is used for the study of metals.
 Transmittedlight microscopes are used to study minerals and
polymers, which can also be examined using reflected light.
 Optical microscopes are also classified as "upright" or "inverted";
these terms refer to the orientation of the plane of polish of the
specimen during observation.
 Figure 1 illustrates the light path in the two designs.
 The simplest optical microscope is the bench type (usually
upright).
 Photographic capabilities can be added to some units depending
on the rigidity of the stand. Figure 2 illustrates basic bench
microscopes, and Figure 3 shows research-quality bench
microscopes suitable for photographic work.