Microscopes
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
Optical micropscopes
Cheap
Easy to use
Portable
Magnification up to x1500
Resolution 400-700nm
Can study living specimen
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
Transmission Electron micropscopes
2D image
x2,000,000 magnification
Expensive
Specimen must be dead
Requires training to use
Scanning Electron micropscopes
3D image
Specimen must be dead
x15-x200,000 magnification
Requires training to use