• A Glimpse at the History of Microscope

    In the 17th century, it was discovered that combining two convex lenses increased significantly the magnification, and this device was the microscope's predecessor. The first true microscope, a combination of a piece of convex lens and a piece of concave lens overlapped, also known as a compound microscope, was made by Dutch opticians Jensen and his sons, and later improved by Italian astronomer Galileo Galilei, which made the microscope brings a better effect.  The first microscopes were simple, only magnifying 50-200 times, but later they were improved and developed gradually. The optical microscope could magnify objects up to about 1500...
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