Microscope
A microscope is the scientific instrument that makes things normally too small to see look bigger, so ay can be seen better and examined correctly. People who use microscopes commonly in air jobs include doctors and scientists.
The earliest microscopes had only 1 lens and are called simple microscopes. Compound microscopes have at least 2 lenses.
In the compound microscope, the lens you look through is called the eyepiece. The lens at the other end is called the objective.
Microscopes make things seem larger than ay are, from 10 times larger to about 1000 times larger. If you do not need so much enlargement (magnification) you could use the magnifying glass.