Speakers
Not all microscopic lenses are corrected for chromatic aberrations. Many times they will be for use in some places like laboratories and similar.
Leeuwenhoek used the lenses to see the microscopic world (i. e. Microbiology) whereas Galileo used lenses to observe the stars and planets ( i. e. in Astronomy).
Characteristics of a microscope include Illuminator, Eyepiece Lens and Tunnel, Objective Lenses and Diaphragm or Iris.
Early lenses were called eyepieces.
color disortion from lenses is called chromatic aberration
Convex lenses
They are called objective lenses.
I think it is that macroscopic you can see and microscopic you cannot see
the microscopic nerve fibers are called chemocytes
The study of microscopic anatomy is often called histology.
Microscopic fossils are also known as microfossils.
They are called aemebia