Microscope Parts and Functions

This part of the microscope holds the objective lenses:

• Revolving nosepiece

• Stage

• Base

• Arm

You hold this part of the microscope, along with the arm, when you are carrying it

• Body tube

• Stage

• Base

• Lenses

You can only use the coarse adjustment knob on this power

• Low

• Medium

• High

• All of the above

You can adjust this to allow more or less light onto the slide

• Ocular lens

• Diaphragm

• Condenser

• Aperture

If you are looking at a specimen on medium power, the TOTAL magnification is:

• 10

• 40

• 100

• 1000

You look through this to see the specimen

• Body tube

• Lens

• Eye hole

• Eye piece

You place the slide on this

• Objective lens

• Slide holder

• Base

• Stage

A small flat rectangular piece of glass on which specimens can be mounted.

• Slide

• Coverslip

• Stage

• Glass piece

This adjustment knob can be used on any power of lens:

• Fine adjustment knob

• Coarse adjustment knob

• Lens adjustment knob

• Magnification adjustment knob

Convert 5 centimetres (cm) to millimetres (mm):

• 50 mm

• 0.5 mm

• 500 mm

• 0.05 mm