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Microscopes (Optical micropscopes (Cheap, Easy to use, Portable,…
Microscopes
Optical micropscopes
Cheap
Easy to use
Portable
Magnification up to x1500
Resolution 400-700nm
Can study living specimen
Transmission Electron micropscopes
2D image
x2,000,000 magnification
Expensive
Specimen must be dead
Requires training to use
Keywords
Magnification: How large an image in compared to the object
Resolution: Clarity of an image/ability to distinguish between two objects
Photomicrograph: Photograph of an image using an optical microscope
Electron-micrograph: Photograph of an image using an electron microscope
Laser Scanning microscopes
Scans an object point by point and assembles, by a computer, the pixel information into one image
High resolution
High contrast
Depth selectivity
Scanning Electron micropscopes
3D image
Specimen must be dead
x15-x200,000 magnification
Requires training to use