light I objective lens |
mirror introduced for direct viewing by eye projector lens image processing computer system light microscope display monitor condenser lens r electrons I objective lens image viewed directly electrons I objective lens image projected on fluorescent screen transmission electron microscope image processing computer system
display monitor (b)
electrons beam scanner detector beam scanner detector
image processing computer system display monitor (c)
Figure 1.3. Basic design of light and electron microscopes.
Projector lenses (eyepieces)
Specimen holder Condenser lens
Light source Figure 1.4. Simple upright light microscope.
Phase contrast microscopy
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