7
BA310 Trinocular
Revolving nosepiece
Condenser
aperture scale
Condenser
centering screws
Specimen Holder
Condenser
clamp screw
Photo port
Optical Path
Changeover lever
Trinocular eyepiece tube
Eyepiece tube
Clamp Screw
Power switch
Brightness
control knob
Power input
Fine focus knob
Coarse focus height
stopper