Key Parts of a Compound Microscope and How They Function

Get the most from your new Compound Microscope with our quick guide. Below, we’ve highlighted the key parts with information about how each functions.

A	Eyepiece	The viewer looks through this. It can be removed to insert a camera
B	Eyepiece sleeve	Holds eyepiece
C	Coarse adjustment knob	To get slide in focus, on lower magnification
D	Fine adjustment knob	To sharpen focus, especially at higher magnification
E	Objective	Selectable lenses that magnify object
F	Stage clips	To hold slides in place
G	Arm	Keeps objective above platform. Hold the arm and base when carrying
H	Base	Keeps microscope stable
I	Mirror	Redirects light to the slide. Can be replaced with light source
J	Stage	Platform to place slide on
K	Condenser	Focuses light on part of slide being studied
L	Rotating nose piece	Allows choice of objectives
M	Body tube	Internal sleeve. Keeps eyepiece and rotating nose in place

A good quality Compound Microscope is a wonderful asset that will last for years if looked after carefully and serviced regularly. If you’d like to prepare your own slides, take a look at our Microscope Accessory Kit and Microscope Chemical Kit chemical which has all the materials to get you started including a helpful instruction manual.