antonie van leeuwenhoek
You place your slide on the stage of a microscope.
There were several developments of the microscope before it was used for research and scientific reasons. It was first used for those reasons somewhere around the 1660s and 1670s in Italy
100x with oil immersion
On a microscope, the iris diaphragm controls the amount of light.
telescope, micrscope, barometer and thermometer
It's big under the micrscope
Anton Van Leewenhoek
The distance in front of and behind the focal point that is in relative focus
Anton van Leeuwenhoek was from Netherlands. He invented his very first microscope in 1668. From then onwards, he went on to invent over 500 microscopes.
prophase
The first microscope was a simple handheld magnifying glass, known as a "simple microscope." It had a single convex lens and was used to magnify small objects. The compound microscope, with two lenses for greater magnification, was developed later.