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Types of Microscopes

QuestionAnswer
Uses a combination of lenses magnifying the images of small objects Optical light microscope
Example of an optical light micoscope Compound microscope
The image viewed is against a bright lighted microscope field Bright field
The bright image of the specimen is visible against a dark field of view Dark field
Microscope that can be used to view bacteria and transparent specimens and uses a negative field Dark field
Enhance the density difference in the organelles causing certain structures to appear brighter/ darker than the others Phase contrast
Same with the phase contrast but it's effect is attained through technical optical methods w/c enhance density differences among organelles Differential-inference-contrast
Another technique for contrasting transparent cells where a certain type of protein can be determined Immuno-fluorescent
Introduced as a major development in illumination because it uses laser beams and special optics for optical sectioning of the specimen. A computer combines these optical section into 3D image projected on a screen. Confocal
Has a digital CCD camera attached to it and connected to a LCD or a computer monitor. Usually has no eyepieces to view objects directly. Digital Microscope/ Microscope camera
A Type of digital microscope which has the possibility mounting the camera, that would be an USB microscope Trinocular type
Uses two objectives and two eyepieces which makes it possible to view a specimen under angles to the human eye forming a stereo 3D optical version Stereoscopic/ dissecting microscope
The most advanced and powerful tool w/ the highest magnifying capacity. Electron microscope
Uses electrons to illuminate the tiniest particles Electron microscope
-Magnifies sample up to one million times - It looks at a sample all at once in 2D form Transmission Electron Microscope (TEM)
- Magnifies a sample up to 100 000X - Scans the surface bit by bit and produce 3D images of the surface of objects Scanning electron microscope (SEM)
Combines elements of SEM and TEM and can resolve single atoms in a sample. It gives 3D images of objects down to the atomic level. Scanning tunneling Electron Microscope (STEM)
 

 



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