Microscope used by Louis Pasteur in his investigations on silkworm diseases, Paris, France, 1860-1870
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Glossary: monocular microscope
Microscope with a single viewing eyepiece, as distinct from binocular or stereomicroscopes. It should be noted that monocular microscopes can be fitted with a binocular eyepiece to give pseudo-stereo views
The use of microscopes to study objects or samples. The three major types of microscopy are optical, electron and scanning probe microscopy.
Glossary: compound microscope
Microscope with multiple optical elements (lenses/mirrors). It has two microscopes in series, the first serving as the ocular lens (close to the eye) and the second serving as the objective lens (close to the object to be viewed).
The lens in a microscope that is nearest to the object being examined.