This is the lens at the top that you look through the specimen

It is the longer of the two lenses close to the slide

It is the shorter of the two lenses close to the slide

This connects the eyepiece to the objectives

It allows the up-and-down movement of the tube

This moves the objective lens or stage up and down to focus quickly. It is used for the first step of focusing

This supports the entire microscope

This is used to hold the tube and the lenses and it connects the base

This holds the objective lenses

This provides illumination into the tube

This is a circular disk that regulates light that is passing through

This is the platform for the slide to rest

They hold the slide in place on the stage

Useful as a means to change focus on one eyepiece so as to correct for any difference in vision between your two eyes.