eye piece
The eyepiece magnifies the image,
usually 10.
low power objective lens
The low-power objective lens further
magnifies the image, up to 4.
medium power objective lens
The medium-power objective lens further
magnify the image, from 10X.
high-power objective lens
The high-power objective lens further
magnify the image, from 40.
nosepiece
body tube
The body tube maintains the correct
distance between the eyepiece and
the objectives. This dis-tance is
usually about 25 cm (10 in.), the
normal distance for reading and
viewing objects with the naked eye.
coarse adjustment knob
The coarse adjustment knob moves
the stage up and down in large
increments to allow gross positioning and focusing
of the objective lens.
fine adjustment knob
The fine adjustment knob moves the
stage slightly to bring the image into
sharp focus.
stage clips
light source
The light source provides light for viewing the
image.
arm
The arm supports the body tube.
base
The base supports the microscope.