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The phase contrast microscopy is commonly used for examining transparent and colorless objects hope it helps. 1  Comments. 2  Report.
The most common is the optical microscope, which uses light to image the sample. Other major types of microscopes are the electron microscope, the ultramicroscope, and the various types of scanning probe microscope. Circa 1000AD â The first vision aid was invented (inventor unknown) called a reading stone.