An optical microscope is a microscope based on optical lenses. The scientist most closely associated with its development is Anton van Leeuwenhoek.

ocular[?] obiective turret[?] obiective[?] focussing stage[?] object holder[?] mirror condenser[?]

Basic microscope main elements

Due to diffraction, even the best optical microscope is limited to a resolution of 0.2 micrometers.