the ocular lens
enlarges the object by 10x or 20x
ocular lens eyepiece
fits into the body tube
light passes through the body tube to the ocular lens
the arm
holds the parts together
revolving nosepiece
lets the user change lenses and change how much the specimen is magnified
objective lenses
enlarge the object being studied by 5x, 10x or 40x
clips
holds the glass slide on the stage
the stage
holds a glass microscope slide and specimen
the condenser unit and the iris diaphragm
regulate how much light passes through the object
fine focus screw
for small focusing changes
coarse focus screw
for large focusing changes
light source/ mirror
to make the specimen visible